MODEL G0757Z
VARIABLE-SPEED HORIZONTAL/
VERTICAL MILL w/DRO
OWNER'S MANUAL
(For models manufactured since 02/15)
COPYRIGHT © JULY, 2015 BY GRIZZLY INDUSTRIAL
WARNING: NO PORTION OF THIS MANUAL MAY BE REPRODUCED IN ANY SHAPE
OR FORM WITHOUT THE WRITTEN APPROVAL OF GRIZZLY INDUSTRIAL, INC.
#BB17431 PRINTED IN CHINA
V1.07.15
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Table of Contents
INTRODUCTION............................................... 2
SECTION 5: ACCESSORIES......................... 39
Contact Info.................................................... 2
Manual Accuracy ........................................... 2
Left Front View Identification ......................... 3
Right Front View Identification....................... 4
Controls & Components................................. 5
Machine Data Sheet ...................................... 7
SECTION 6: MAINTENANCE......................... 44
Schedule...................................................... 44
Cleaning & Protecting.................................. 44
Lubrication ................................................... 45
Adding/Changing Coolant............................ 51
V-Belt Service.............................................. 52
Machine Storage.......................................... 54
SECTION 1: SAFETY..................................... 10
Safety Instructions for Machinery ................ 10
Additional Safety for Milling Machines......... 12
SECTION 7: SERVICE ................................... 55
Troubleshooting ........................................... 55
Tramming Mill Head..................................... 58
Adjusting Leadscrew Backlash.................... 60
Adjusting Gibs.............................................. 61
SECTION 2: POWER SUPPLY...................... 13
SECTION 3: SETUP ....................................... 15
Needed for Setup......................................... 15
Unpacking.................................................... 15
Inventory ...................................................... 16
Cleanup........................................................ 17
Site Considerations...................................... 18
Lifting & Placing........................................... 19
Leveling........................................................ 20
Anchoring to Floor ....................................... 20
Arbor/Chuck Assembly ................................ 21
Verifying Lubrication .................................... 21
Assembly ..................................................... 22
Power Connection........................................ 23
Test Run ...................................................... 23
Spindle Break-In .......................................... 25
Inspections & Adjustments .......................... 26
SECTION 8: WIRING...................................... 62
Wiring Safety Instructions............................ 62
Wiring Overview........................................... 63
Component Location.................................... 63
Electrical Panel Wiring Diagram.................. 64
Electrical Cabinet Wiring.............................. 65
Control Panel Wiring.................................... 66
Vertical Spindle Motor Wiring ...................... 67
Horizontal Spindle Motor Wiring.................. 67
Coolant Pump Wiring................................... 68
DRO Wiring.................................................. 68
SECTION 9: PARTS....................................... 69
Column......................................................... 69
Table............................................................ 71
Horizontal Spindle........................................ 73
Vertical Spindle............................................ 75
Vertical Gearbox.......................................... 77
Electrical Components................................. 79
Electrical Components Cont. ....................... 80
Accessories.................................................. 81
Labels & Cosmetics..................................... 82
SECTION 4: OPERATIONS ........................... 27
Operation Overview..................................... 27
Table Movement.......................................... 28
Head Tilt....................................................... 29
Ram Movement............................................ 30
Installing/Removing Tooling......................... 31
Spindle Speed.............................................. 35
Using Spindle Downfeed Controls............... 37
WARRANTY & RETURNS ............................. 85
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INTRODUCTION
Contact Info
Manual Accuracy
We stand behind our machines! If you have ques-
tions or need help, contact us with the information
below. Before contacting, make sure you get the
serial number and manufacture date from the
machine ID label. This will help us help you faster.
We are proud to provide a high-quality owner’s
manual with your new machine!
We made every effort to be exact with the instruc-
tions, specifications, drawings, and photographs
in this manual. Sometimes we make mistakes, but
our policy of continuous improvement also means
that sometimes the machine you receive is
slightly different than shown in the manual.
Grizzly Technical Support
1203 Lycoming Mall Circle
Muncy, PA 17756
Phone: (570) 546-9663
Email: [email protected]
If you find this to be the case, and the difference
between the manual and machine leaves you
confused or unsure about something, check our
website for an updated version. We post current
manuals and manual updates for free on our web-
We want your feedback on this manual. What did
you like about it? Where could it be improved?
Please take a few minutes to give us feedback.
Grizzly Documentation Manager
P.O. Box 2069
Bellingham, WA 98227-2069
Email: [email protected]
Alternatively, you can call our Technical Support
for help. Before calling, make sure you write down
the Manufacture Date and Serial Number from
the machine ID label (see below). This information
is required for us to provide proper tech support,
and it helps us determine if updated documenta-
tion is available for your machine.
Manufacture Date
Serial Number
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Left Front View Identification
Spindle
Motor
Master
Control Panel
Halogen
Work Light
Horizontal Arbor
Support
DRO
Vertical
Spindle
Coolant
Nozzle
X-Axis
Handwheel
Splash
Pan
Electrical
Cabinet
Base
Coolant
Pump
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Right Front View Identification
High/Low
Gear Selector
Coarse
Downfeed
Lever
Fine
Downfeed
Handwheel
Ram
Controls
Horizontal
Spindle
X-Axis
Handwheel
Z-Axis
Crank
X-Axis
Power Feed
Y-Axis
Handwheel
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Control Panel
Controls &
Components
D
C
B
A
G
F
To reduce your risk of
E
I
serious injury, read this
entire manual BEFORE
using machine.
K
H
J
Refer to Figures 1–4 and the following descrip-
tions to become familiar with the basic controls
and components of this machine. Understanding
these items and how they work will help you
understand the rest of the manual and stay safe
when operating this machine.
Figure 2. Control panel.
A. Vertical Spindle RPM Readout: Displays
current spindle RPM.
B. FORWARD Button (Vertical Spindle ):
Starts vertical spindle forward rotation (clock-
wise looking down on headstock).
Master Power Switch
Spindle rotation direction can ONLY be
changed when spindle is completely
stopped.
C. REVERSE Button (Vertical Spindle
):
Master
Power Switch
Starts vertical spindle reverse rotation (coun-
terclockwise looking down on headstock).
D. STOP Button (Vertical Spindle ): Stops
Figure 1. Location of master power switch.
vertical spindle rotation.
Master Power Switch: Enables power to flow to
machine.
E. FORWARD Button (Horizontal Spindle ):
Startshorizontalspindleforwardrotation(coun-
terclockwise as viewed from front of machine).
F. REVERSE Button (Horizontal Spindle ):
Startshorizontalspindlereverserotation(clock-
wise as viewed from front of machine).
G. STOP Button (Horizontal Spindle ): Stops
horizontal spindle rotation.
H. Variable-Speed Dial: Controls speed of ver-
tical spindle.
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I. POWER Lamp Button: When pressed, illu-
minates and enables power to control panel.
E-STOP button must be reset first.
E. Directional Lever: Selects direction of table
movement. Center position is neutral.
F. Speed Dial: Controls speed of table move-
ment. Turning dial clockwise causes table to
move faster.
J. E-STOP Button: Disables power to control
panel and stops all machine functions. To
reset, twist button clockwise until it pops out.
Note: Feed rates for table travel are extreme-
ly difficult to precisely calculate. We recom-
mend that you combine research and experi-
mentation to find feed rates that best work for
your operations.
K. Coolant Pump Switch: Starts/stops coolant
pump and flow of coolant.
X-Axis Power Feed
G. Reset Button: Resets internal circuit breaker
C
B
D
if unit is overloaded and shuts down.
A
H. ON/OFF Switch: Enables/disables power to
E
unit.
I. Rapid Traverse Button: Once directional
lever has been activated, causes table to
travel at full speed while pushed.
F
I
G
H
Headstock
Figure 3. Power feed components.
High/Low
Gear Selector
A. Limit Switch: Stops powered table move-
ment when either side plunger comes in con-
tact with limit stops.
B. Limit Stop: Limits X-axis table travel (one on
either end of table).
C. Graduated Dial: Displays X-axis table move-
ment in 0.001" increments, with each revolu-
tion equaling 0.200" of travel.
Figure 4. Headstock controls.
D. Handwheel: Manually positions table.
High/Low Gear Selector: Selects between high
and low gears on the vertical spindle.
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Machine Data Sheet
MACHINE DATA
SHEET
Customer Service #: (570) 546-9663 · To Order Call: (800) 523-4777 · Fax #: (800) 438-5901
MODEL G0757Z VARIABLE‐SPEED HORIZONTAL/VERTICAL
MILL WITH DRO
Product Dimensions:
Weight............................................................................................................................................................ 1874 lbs.
Width (side-to-side) x Depth (front-to-back) x Height..................................................................... 53-1/2 x 55 x 82 in.
Footprint (Length x Width)..................................................................................................................... 35-1/2 x 20 in.
Space Required for Full Range of Movement (Width x Depth).................................................................... 76 x 58 in.
Shipping Dimensions:
Type.......................................................................................................................................................... Wood Crate
Content........................................................................................................................................................... Machine
Weight............................................................................................................................................................ 2050 lbs.
Length x Width x Height....................................................................................................................... 53 x 45 x 88 in.
Must Ship Upright................................................................................................................................................... Yes
Electrical:
Power Requirement........................................................................................................... 220V, Single-Phase, 60 Hz
Full-Load Current Rating....................................................................................................................................... 9.5A
Minimum Circuit Size.............................................................................................................................................. 15A
Power Cord Included.............................................................................................................................................. Yes
Power Cord Length.......................................................................................................................................... 6-1/2 ft.
Power Cord Gauge......................................................................................................................................... 14 AWG
Plug Included........................................................................................................................................................... No
Recommended Plug Type.......................................................................................................................... NEMA 6-15
Switch Type.............................................................................................................. Control Panel with E-Stop Button
Inverter Type............................................................................................................................................ Delta VFD-E
Motors:
Coolant Pump
Type............................................................................................................... TEFC Permanent-Split Capacitor
Horsepower................................................................................................................................................. 40W
Phase............................................................................................................................................ Single-Phase
Amps........................................................................................................................................................... 0.2A
Speed................................................................................................................................................ 2800 RPM
Power Transfer ............................................................................................................................... Direct Drive
Bearings..................................................................................................... Shielded & Permanently Lubricated
Vertical Spindle
Type................................................................................................................. TEFC Capacitor-Start Induction
Horsepower................................................................................................................................................ 3 HP
Phase.................................................................................................................................................... 3-Phase
Amps........................................................................................................................................................... 9.3A
Speed................................................................................................................................................ 1500 RPM
Power Transfer ................................................................................................................................. Gear Drive
Bearings..................................................................................................... Shielded & Permanently Lubricated
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Horizontal Spindle
Type................................................................................................................. TEFC Capacitor-Start Induction
Horsepower................................................................................................................................................ 2 HP
Phase............................................................................................................................................ Single-Phase
Amps........................................................................................................................................................... 8.6A
Speed................................................................................................................................................ 1725 RPM
Power Transfer ............................................................................................................................... V-Belt Drive
Bearings..................................................................................................... Shielded & Permanently Lubricated
Main Specifications:
Operation Info
Spindle Travel.............................................................................................................................................. 5 in.
Max Distance Spindle to Column........................................................................................................ 26-3/4 in.
Max Distance Spindle to Table............................................................................................................ 14-1/2 in.
Maximum Distance Horizontal Spindle Center to Table...................................................................... 14-1/8 in.
Longitudinal Table Travel (X-Axis)...................................................................................................... 23-1/2 in.
Cross Table Travel (Y-Axis).................................................................................................................. 8-1/2 in.
Vertical Table Travel (Z-Axis).............................................................................................................. 12-1/2 in.
Table Swivel (Left/Right)........................................................................................................................ 45 deg.
Ram Travel................................................................................................................................................ 11 in.
Turret or Column Swivel (Left /Right)................................................................................................... 180 deg.
Head Tilt (Left/Right).............................................................................................................................. 90 deg.
Drilling Capacity for Cast Iron................................................................................................................ 1-1/8 in.
Drilling Capacity for Steel............................................................................................................................ 1 in.
End Milling Capacity.................................................................................................................................... 1 in.
Face Milling Capacity................................................................................................................................... 4 in.
Table Info
Table Length........................................................................................................................................ 39-3/8 in.
Table Width........................................................................................................................................... 9-1/2 in.
Table Thickness.................................................................................................................................... 2-3/8 in.
Number of T-Slots............................................................................................................................................ 3
T-Slot Size................................................................................................................................................ 5/8 in.
T-Slots Centers............................................................................................................................................ 3 in.
Number of Longitudinal Feeds.............................................................................................................. Variable
X-Axis Table Power Feed Rate................................................................................................... 0 – 11.67 FPM
X/Y-Axis Travel per Handwheel Revolution.......................................................................................... 0.200 in.
Z-Axis Travel per Handwheel Revolution............................................................................................. 0.200 in.
Spindle Info
Spindle Taper............................................................................................................................................... R-8
Range of Vertical Spindle Speeds......................................................................... 100 – 600, 350 – 2000 RPM
Quill Diameter........................................................................................................................................ 3-1/2 in.
Drawbar Thread Size............................................................................................................................. 7/16-20
Drawbar Length............................................................................................................................. 20, 13-3/4 in.
Spindle Bearings.................................................................................................. Tapered Roller Bearings (P5)
Horizontal Spindle Taper.............................................................................................................................. R-8
Number of Horizontal Spindle Speeds............................................................................................................. 8
Range of Horizontal Spindle Speeds......................................................................................... 72 – 1300 RPM
Horizontal Spindle Bearing Type......................................................................... Tapered Roller Bearings (P5)
Construction
Spindle Housing/Quill........................................................................................................... Chromed Cast Iron
Table....................................................................................................................... Precision-Ground Cast Iron
Head.................................................................................................................................................... Cast Iron
Column/Base....................................................................................................................................... Cast Iron
Base..................................................................................................................................................... Cast Iron
Paint Type/Finish.................................................................................................................................... Enamel
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Other Specifications:
Country of Origin ................................................................................................................................................ China
Warranty ........................................................................................................................................................... 1 Year
Serial Number Location ..................................................................................................... Machine ID Label on Head
ISO 9001 Factory .................................................................................................................................................. Yes
Features:
Variable-speed spindle control with digital readout for spindle RPMs
Recycling coolant system
Longitudinal power feed
High-precision P5 spindle bearings
Halogen work light
Independent high-CFM motor fan
3-Axis DRO
Accessories Included:
Arbor adapter, R-8 to MT#3
Horizontal arbors w/spacers, 1-1/4" & 1"
1 – 13mm drill chuck w/key & arbor
MT#3 to MT#2 adapter sleeve
T-bolts w/washers & nuts
Service tools & toolbox
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SECTION 1: SAFETY
For Your Own Safety, Read Instruction
Manual Before Operating This Machine
The purpose of safety symbols is to attract your attention to possible hazardous conditions.
This manual uses a series of symbols and signal words intended to convey the level of impor-
tance of the safety messages. The progression of symbols is described below. Remember that
safety messages by themselves do not eliminate danger and are not a substitute for proper
accident prevention measures. Always use common sense and good judgment.
Indicates an imminently hazardous situation which, if not avoided,
WILL result in death or serious injury.
Indicates a potentially hazardous situation which, if not avoided,
COULD result in death or serious injury.
Indicates a potentially hazardous situation which, if not avoided,
MAY result in minor or moderate injury. It may also be used to alert
against unsafe practices.
This symbol is used to alert the user to useful information about
proper operation of the machine.
NOTICE
Safety Instructions for Machinery
OWNER’S MANUAL. Read and understand this ELECTRICAL EQUIPMENT INJURY RISKS. You
owner’s manual BEFORE using machine.
can be shocked, burned, or killed by touching live
electrical components or improperly grounded
machinery. To reduce this risk, only allow qualified
service personnel to do electrical installation or
repair work, and always disconnect power before
accessing or exposing electrical equipment.
TRAINED OPERATORS ONLY. Untrained oper-
ators have a higher risk of being hurt or killed.
Only allow trained/supervised people to use this
machine. When machine is not being used, dis-
connect power, remove switch keys, or lock-out
machine to prevent unauthorized use—especially
around children. Make workshop kid proof!
DISCONNECT POWER FIRST. Always discon-
nect machine from power supply BEFORE making
adjustments, changingtooling, orservicingmachine.
This prevents an injury risk from unintended startup
or contact with live electrical components.
DANGEROUS ENVIRONMENTS. Do not use
machinery in areas that are wet, cluttered, or have
poor lighting. Operating machinery in these areas
greatly increases the risk of accidents and injury.
EYE PROTECTION. Always wear ANSI-approved
safety glasses or a face shield when operating or
observing machinery to reduce the risk of eye
injury or blindness from flying particles. Everyday
eyeglasses are NOT approved safety glasses.
MENTAL ALERTNESS REQUIRED. Full mental
alertness is required for safe operation of machin-
ery. Never operate under the influence of drugs or
alcohol, when tired, or when distracted.
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WEARING PROPER APPAREL. Do not wear FORCING MACHINERY. Do not force machine.
clothing, apparel or jewelry that can become
entangled in moving parts. Always tie back or
cover long hair. Wear non-slip footwear to reduce
risk of slipping and losing control or accidentally
contacting cutting tool or moving parts.
It will do the job safer and better at the rate for
which it was designed.
NEVER STAND ON MACHINE. Serious injury
may occur if machine is tipped or if the cutting
tool is unintentionally contacted.
HAZARDOUS DUST. Dust created by machinery
operations may cause cancer, birth defects, or
long-term respiratory damage. Be aware of dust
hazards associated with each workpiece mate-
rial. Always wear a NIOSH-approved respirator to
reduce your risk.
STABLE MACHINE. Unexpected movement dur-
ing operation greatly increases risk of injury or
loss of control. Before starting, verify machine is
stable and mobile base (if used) is locked.
USE RECOMMENDED ACCESSORIES. Consult
this owner’s manual or the manufacturer for rec-
ommended accessories. Using improper acces-
sories will increase the risk of serious injury.
HEARING PROTECTION. Always wear hear-
ing protection when operating or observing loud
machinery. Extended exposure to this noise
without hearing protection can cause permanent
hearing loss.
UNATTENDED OPERATION. To reduce the
risk of accidental injury, turn machine OFF and
ensure all moving parts completely stop before
walking away. Never leave machine running
while unattended.
REMOVE ADJUSTING TOOLS. Tools left on
machinery can become dangerous projectiles
upon startup. Never leave chuck keys, wrenches,
or any other tools on machine. Always verify
removal before starting!
MAINTAIN WITH CARE. Follow all maintenance
instructions and lubrication schedules to keep
machine in good working condition. A machine
that is improperly maintained could malfunction,
leading to serious personal injury or death.
USE CORRECT TOOL FOR THE JOB. Only use
this tool for its intended purpose—do not force
it or an attachment to do a job for which it was
not designed. Never make unapproved modifica-
tions—modifying tool or using it differently than
intended may result in malfunction or mechanical
failure that can lead to personal injury or death!
DAMAGED PARTS. Regularly inspect machine
for damaged, loose, or mis-adjusted parts—or
any condition that could affect safe operation.
Immediately repair/replace BEFORE operating
machine. For your own safety, DO NOT operate
machine with damaged parts!
AWKWARD POSITIONS. Keep proper footing
and balance at all times when operating machine.
Do not overreach! Avoid awkward hand positions
that make workpiece control difficult or increase
the risk of accidental injury.
MAINTAIN POWER CORDS. When disconnect-
ing cord-connected machines from power, grab
and pull the plug—NOT the cord. Pulling the cord
may damage the wires inside. Do not handle
cord/plug with wet hands. Avoid cord damage by
keeping it away from heated surfaces, high traffic
areas, harsh chemicals, and wet/damp locations.
CHILDREN & BYSTANDERS. Keep children and
bystanders at a safe distance from the work area.
Stop using machine if they become a distraction.
GUARDS & COVERS. Guards and covers reduce
accidental contact with moving parts or flying
debris. Make sure they are properly installed,
undamaged, and working correctly BEFORE
operating machine.
EXPERIENCING DIFFICULTIES. If at any time
you experience difficulties performing the intend-
ed operation, stop using the machine! Contact our
Technical Support at (570) 546-9663.
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Additional Safety for Milling Machines
The primary risks of operating a mill are as follows: You can be seriously injured or killed by
getting clothing, jewelry, or long hair entangled with rotating cutter. You can be severely cut
or have fingers amputated from contact with the rotating cutter. You can be blinded or struck
by broken cutting tools, metal chips, workpieces, or adjustment tools thrown from the rotating
spindle with great force. To reduce your risk of serious injury when operating this machine,
completely heed and understand the following:
UNDERSTAND ALL CONTROLS. Make sure SECURE WORKPIECE TO TABLE. Clamp work-
you understand the function and proper use of all piece to table or secure in a vise mounted to table,
controls before starting. This will help you avoid so workpiece cannot unexpectedly shift or spin
making mistakes that result in serious injury.
during operation. NEVER hold workpiece by hand
during operation.
WEAR FACE SHIELD. Always wear a face shield
in addition to safety glasses. This provides more CLEAN MACHINE SAFELY. Metal chips or shav-
complete protection for your face than safety ings can be razor sharp. DO NOT clear chips
glasses alone.
by hand or compressed air that can force chips
farther into machine—use a brush or vacuum
REMOVE CHUCK KEY & SPINDLE TOOLS. instead. Never clear chips while spindle is turning.
Always remove chuck key, drawbar wrench, and
other tools used on the spindle immediately after PROPERLY MAINTAIN MACHINE. Keep machine
use. This will prevent them from being thrown by in proper working condition to help ensure that it
the spindle upon startup.
functions safely and all guards and other compo-
nents work as intended. Perform routine inspec-
PROPERLY SECURE CUTTER. Firmly secure tions and all necessary maintenance. Never oper-
cutting tool or drill bit so it does not fly out of spin- ate machine with damaged or worn parts that can
dle during operation.
break or result in unexpected movement during
operation.
USE CORRECT SPINDLE SPEED. Follow rec-
ommended speeds and feeds for each size and DISCONNECT POWER FIRST. To reduce risk of
type of cutting tool. This helps avoid tool breakage electrocution or injury from unexpected startup,
during operation and ensures best cutting results. make sure mill/drill is turned OFF, disconnected
from power, and all moving parts have come to
INSPECT CUTTING TOOL. Inspect cutting tools a complete stop before changing cutting tools or
for sharpness, chips, or cracks before each use. starting any inspection, adjustment, or mainte-
Replace dull, chipped, or cracked cutting tools nance procedure.
immediately.
POWER DISRUPTION. In the event of a local
ALLOW SPINDLE TO STOP. To minimize your power outage during operation, turn spindle switch
risk of entanglement, always allow spindle to stop OFF to avoid a possible sudden startup once
on its own. DO NOT stop spindle using your hand power is restored.
or any other object.
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SECTION 2: POWER SUPPLY
Availability
Circuit Requirements for 220V
This machine is prewired to operate on a 220V
power supply circuit that has a verified ground and
meets the following requirements:
Before installing the machine, consider the avail-
ability and proximity of the required power supply
circuit. If an existing circuit does not meet the
requirements for this machine, a new circuit must
be installed. To minimize the risk of electrocution,
fire, or equipment damage, installation work and
electrical wiring must be done by an electrican or
qualified service personnel in accordance with all
applicable codes and standards.
Nominal Voltage .............................. 220V/240V
Cycle..........................................................60 Hz
Phase.................................................... 1-Phase
Power Supply Circuit ......................... 15 Amps
Plug/Receptacle ............................. NEMA 6-15
A power supply circuit includes all electrical
equipment between the breaker box or fuse panel
in the building and the machine. The power sup-
ply circuit used for this machine must be sized to
safely handle the full-load current drawn from the
machine for an extended period of time. (If this
machine is connected to a circuit protected by
fuses, use a time delay fuse marked D.)
Electrocution, fire, or
equipment damage may
occur if machine is not
correctly grounded and
connected to the power
supply.
Full-Load Current Rating
For your own safety and protection of
property, consult an electrician if you are
unsure about wiring practices or electrical
codes in your area.
The full-load current rating is the amperage a
machine draws at 100% of the rated output power.
On machines with multiple motors, this is the
amperage drawn by the largest motor or sum of all
motors and electrical devices that might operate
at one time during normal operations.
Note: The circuit requirements listed in this man-
ual apply to a dedicated circuit—where only one
machine will be running at a time. If this machine
will be connected to a shared circuit where mul-
tiple machines will be running at the same time,
consult a qualified electrician to ensure that the
circuit is properly sized for safe operation.
Full-Load Current Rating at 220V ....9.5 Amps
The full-load current is not the maximum amount
of amps that the machine will draw. If the machine
is overloaded, it will draw additional amps beyond
the full-load rating.
If the machine is overloaded for a sufficient length
of time, damage, overheating, or fire may result—
especially if connected to an undersized circuit.
To reduce the risk of these hazards, avoid over-
loading the machine during operation and make
sure it is connected to a power supply circuit that
meets the requirements in the following section.
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Grounding Instructions
This machine MUST be grounded. In the event
of certain malfunctions or breakdowns, grounding
reduces the risk of electric shock by providing a
path of least resistance for electric current.
Serious injury could occur if you connect
the machine to power before completing the
setup process. DO NOT connect to power
until instructed later in this manual.
The power cord and plug specified under “Circuit
Requirements for 220V” on the previous page
has an equipment-grounding wire and a ground-
ing prong. The plug must only be inserted into
a matching receptacle (outlet) that is properly
installed and grounded in accordance with all
local codes and ordinances (see figure below).
Improper connection of the equipment-grounding
wire can result in a risk of electric shock. The
wire with green insulation (with or without yellow
stripes) is the equipment-grounding wire. If repair
or replacement of the power cord or plug is nec-
essary, do not connect the equipment-grounding
wire to a live (current carrying) terminal.
GROUNDED
Check with a qualified electrician or service per-
sonnel if you do not understand these grounding
requirements, or if you are in doubt about whether
the tool is properly grounded. If you ever notice
that a cord or plug is damaged or worn, discon-
nect it from power, and immediately replace it with
a new one.
6-15 RECEPTACLE
Current Carrying Prongs
6-15 PLUG
Grounding Prong
Extension Cords
We do not recommend using an extension cord
with this machine. If you must use an extension
cord, only use it if absolutely necessary and only
on a temporary basis.
Figure 5. Typical 6-15 plug and receptacle.
Extension cords cause voltage drop, which may
damage electrical components and shorten motor
life. Voltage drop increases as the extension cord
size gets longer and the gauge size gets smaller
(higher gauge numbers indicate smaller sizes).
Any extension cord used with this machine must
contain a ground wire, match the required plug
and receptacle, and meet the following require-
ments:
No adapter should be used with the
required plug. If the plug does not fit the
available receptacle, or the machine must
be reconnected for use on a different type
of circuit, the reconnection must be made
by a qualified electrician and comply with all
local codes and ordinances.
Minimum Gauge Size...........................14 AWG
Maximum Length (Shorter is Better).......50 ft.
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SECTION 3: SETUP
Needed for Setup
This machine presents
serious injury hazards
to untrained users. Read
through this entire manu-
al to become familiar with
the controls and opera-
tions before starting the
machine!
The following items are needed, but not included,
for the setup/assembly of this machine.
Description
Qty
•
•
•
•
•
•
•
•
•
Precision Level ........................................... 1
Safety Glasses (for each person)............... 1
Solvent/Cleaner (Page 17)......................... 1
Mineral Spirits............................. As Needed
Wood Block ................................................ 1
Disposable Shop Rags............................... 1
Brass Hammer ........................................... 1
Lifting Sling (Rated for at least 2800 lbs.) .. 2
Lifting Equipment
Wear safety glasses during
the entire setup process!
(Rated for at least 2800 lbs.)...................... 1
Mounting Hardware (Page 20)... As Needed
•
HEAVY LIFT!
Straining or crushing injury
may occur from improperly
lifting machine or some of
its parts. To reduce this risk,
get help from other people
and use a forklift (or other
lifting equipment) rated for
weight of this machine.
Unpacking
Your machine was carefully packaged for safe
transportation. Remove the packaging materials
from around your machine and inspect it. If you
discover any damage, please call us immediately
at (570) 546-9663 for advice.
Save the containers and all packing materials for
possible inspection by the carrier or its agent.
Otherwise, filing a freight claim can be difficult.
When you are completely satisfied with the condi-
tion of your shipment, inventory the contents.
SUFFOCATION HAZARD!
Keep children and pets away
from plastic bags or packing
materials shipped with this
machine. Discard immediately.
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Wood Crate (Figure 7)
Qty
Inventory
I. Bottle for Oil ............................................... 1
J. Drift Key...................................................... 1
K. End Mill Arbor R-8–1"................................. 1
L. Knee Crank Handle.................................... 1
M. Knee Crank ................................................ 1
N. Hardware Bag ............................................ 1
—T-Bolts M14-2 x 60.................................. 2
—Flat Washers 14mm................................ 2
—Hex Nuts M14-2...................................... 2
—Hex Wrenches 3, 4, 5, 6, 8mm.........1 Ea.
O. Vertical Spindle Drawbar 7⁄16"–20 x 20"...... 1
P. Horizontal Spindle Drawbar
The following is a list of items shipped with your
machine. Before beginning setup, lay these items
out and inventory them.
If any non-proprietary parts are missing (e.g. a
nut or a washer), we will gladly replace them; or
for the sake of expediency, replacements can be
obtained at your local hardware store.
7⁄16"–20 x 133⁄4"............................................ 1
Q. Horizontal Arbor 11⁄4" Dia. w/Spacers......... 1
R. Horizontal Arbor 1" Dia. w/Spacers............ 1
NOTICE
If you cannot find an item on this list, care-
fully check around/inside the machine and
packaging materials. Often, these items get
lost in packaging materials while unpack-
ing or they are pre-installed at the factory.
J
K
I
M
N
L
Toolbox (Figure 6)
Qty
A. Handwheel Handles................................... 3
B. Coarse Downfeed Handle (2 Installed) ...... 1
C. Open-End Wrench 22/24mm...................... 1
D. Open-End Wrench 17/19mm ...................... 1
E. Drill Chuck B16, 1–13mm ........................... 1
—Chuck Key .............................................. 1
F. Spindle Sleeve R-8–MT#3 ......................... 1
G. Drill Chuck Arbor R-8–B16......................... 1
H. Spindle Sleeve MT#3–MT#2...................... 1
O
P
Q
R
Figure 7. Wood crate inventory.
E
B
C
A
D
F
H
G
Figure 6. Toolbox inventory.
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Cleanup
Gasoline and petroleum
products have low flash
points and can explode
or cause fire if used to
clean machinery. Avoid
using these products
to clean machinery.
The unpainted surfaces of your machine are
coated with a heavy-duty rust preventative that
prevents corrosion during shipment and storage.
This rust preventative works extremely well, but it
will take a little time to clean.
Be patient and do a thorough job cleaning your
machine. The time you spend doing this now will
give you a better appreciation for the proper care
of your machine's unpainted surfaces.
Many cleaning solvents
are toxic if inhaled. Only
work in a well-ventilated
area.
There are many ways to remove this rust preven-
tative, but the following steps work well in a wide
variety of situations. Always follow the manufac-
turer’s instructions with any cleaning product you
use and make sure you work in a well-ventilated
area to minimize exposure to toxic fumes.
NOTICE
Avoid chlorine-based solvents, such as
acetone or brake parts cleaner, that may
damage painted surfaces.
Before cleaning, gather the following:
•
•
•
•
Disposable rags
Cleaner/degreaser (WD•40 works well)
Safety glasses & disposable gloves
Plastic paint scraper (optional)
T23692—Orange Power Degreaser
A great product for removing the waxy ship-
ping grease from the non-painted parts of the
machine during clean up.
Basic steps for removing rust preventative:
1. Put on safety glasses.
2. Coat the rust preventative with a liberal
amount of cleaner/degreaser, then let it soak
for 5–10 minutes.
3. Wipe off the surfaces. If your cleaner/degreas-
er is effective, the rust preventative will wipe
off easily. If you have a plastic paint scraper,
scrape off as much as you can first, then wipe
off the rest with the rag.
Figure 8. T23692 Orange Power Degreaser.
4. Repeat Steps 2–3 as necessary until clean,
then coat all unpainted surfaces with a quality
metal protectant to prevent rust.
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Site Considerations
Weight Load
Physical Environment
Refer to the Machine Data Sheet for the weight
of your machine. Make sure that the surface upon
which the machine is placed will bear the weight
of the machine, additional equipment that may be
installed on the machine, and the heaviest work-
piece that will be used. Additionally, consider the
weight of the operator and any dynamic loading
that may occur when operating the machine.
The physical environment where the machine is
operated is important for safe operation and lon-
gevity of machine components. For best results,
operate this machine in a dry environment that is
free from excessive moisture, hazardous chemi-
cals, airborne abrasives, or extreme conditions.
Extreme conditions for this type of machinery are
generally those where the ambient temperature
range exceeds 41°–104°F; the relative humidity
range exceeds 20–95% (non-condensing); or the
environment is subject to vibration, shocks, or
bumps.
Space Allocation
Consider the largest size of workpiece that will
be processed through this machine and provide
enough space around the machine for adequate
operator material handling or the installation of
auxiliary equipment. With permanent installations,
leave enough space around the machine to open
or remove doors/covers as required by the main-
tenance and service described in this manual.
See below for required space allocation.
Electrical Installation
Place this machine near an existing power source.
Make sure all power cords are protected from
traffic, material handling, moisture, chemicals,
or other hazards. Make sure to leave access to
a means of disconnecting the power source or
engaging a lockout/tagout device, if required.
Lighting
Children or untrained people
may be seriously injured by
this machine. Only install in an
access restricted location.
Lighting around the machine must be adequate
enough that operations can be performed safely.
Shadows, glare, or strobe effects that may distract
or impede the operator must be eliminated.
Wall
30"
Minimum
Clearance
30"
Minimum
Clearance
76"
58"
Figure 9. Minimum working clearances.
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Note: After repositioning ram and headstock,
make sure they are locked in place to prevent
unexpected movement while lifting.
Lifting & Placing
4. Torque four turret lock bolts (two on each
side of ram, as shown in Figure 11) to 47 ft/
lbs. This will help keep ram from unexpect-
edly moving from force of lifting slings.
HEAVY LIFT!
Straining or crushing injury
may occur from improperly
lifting machine or some of
its parts. To reduce this risk,
get help from other people
and use a forklift (or other
lifting equipment) rated for
weight of this machine.
Turret Locking Bolts
(2 of 4)
Power lifting equipment rated for at least 50%
more than the weight of the machine and at least
two other people are required to lift and place the
mill.
To lift and move mill:
Figure 11. Locations of turret locking bolts.
1. Remove crate from shipping pallet, then
while still on pallet, move machine to installa-
tion location.
5. Place lifting slings under ram and connect to
a safety hook, as illustrated in Figure 10.
2. Remove horizontal arbor support, and extend
Note: Place protective material between
slings and mill to protect ram and ways, and
to prevent cutting lifting slings.
ram so it will clear DRO.
3. Rotate ram 180° clockwise so headstock
faces backwards (see Figure 10).
6. Unbolt mill from shipping pallet.
Refer to Head Tilt on Page 29 and Ram
Movement on Page 30 for detailed instruc-
tions to help with this step.
7. With other people steadying load to keep it
from swaying, lift machine a couple of inches.
— If mill tips to one side, lower it to the pallet
and adjust ram or table to balance load.
Make sure to retighten lock levers and
bolts before lifting mill again.
— If mill lifts evenly, remove shipping pallet
and lower mill into final position.
8. Rotate ram 180° counterclockwise so head-
stock faces forwards, then re-install horizon-
tal arbor support.
Figure 10. Using lifting slings to lift and move
mill.
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Leveling
Anchoring to Floor
Leveling machinery helps precision components,
such as dovetail ways, remain straight and flat
during the lifespan of the machine. Components
on an unleveled machine may slowly twist due to
the dynamic loads placed on the machine during
operation.
Number of Mounting Holes ............................ 4
Diameter of Mounting Hardware................. 1⁄2
"
Anchoring machinery to the floor prevents tipping
or shifting and reduces vibration that may occur
during operation, resulting in a machine that runs
slightly quieter and feels more solid.
For best results, use a precision level that is at
least 12" long and sensitive enough to show a
distinct movement when a 0.003" shim (approxi-
mately the thickness of one sheet of standard
newspaper) is placed under one end of the level.
If the machine will be installed in a commercial or
workplace setting, or if it is permanently connect-
ed (hardwired) to the power supply, local codes
may require that it be anchored to the floor.
See Figure 12 for an example of a high precision
level available from Grizzly.
If not required by any local codes, fastening the
machine to the floor is an optional step. If you
choose not to do this with your machine, we rec-
ommend placing it on machine mounts, as these
provide an easy method for leveling and they have
vibration-absorbing pads.
Anchoring to Concrete Floors
Lag shield anchors with lag screws (see below)
are a popular way to anchor machinery to a con-
crete floor, because the anchors sit flush with the
floor surface, making it easy to unbolt and move
the machine later, if needed. However, anytime
local codes apply, you MUST follow the anchoring
methodology specified by the code.
Figure 12. Example of a precision level
(Model H2683 shown).
Lag Screw
Flat Washer
Machine Base
Lag Shield Anchor
Concrete
Drilled Hole
Figure 13. Popular method for anchoring
machinery to a concrete floor.
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Verifying Lubrication
Arbor/Chuck
Assembly
An arbor is included for the drill chuck that
comes with this machine. The following procedure
describes how to install the arbor in the chuck.
GEARBOX MUST
BE FILLED WITH OIL!
After the arbor is installed in the drill chuck, it
is very difficult to separate the assembly. If you
would like to use a different chuck in the future,
we recommend obtaining a new arbor.
OIL MAY NOT BE
SHIPPED WITH MACHINE!
Refer to Lubrication Section
for Correct Oil Type.
Important: DO NOT install the drill chuck and
arbor assembly into the spindle until AFTER the
test run.
To join drill chuck and arbor:
This machine was shipped from the factory with
oil in it, but the headstock oil reservoir level must
be verified before the mill can be operated for the
first time. Refer to the Lubrication section, begin-
ning on Page 45, for details on how to check oil.
1. Use acetone or lacquer thinner to clean drill
chuck and arbor mating surfaces, especially
the bore.
2. Retract chuck jaws completely into chuck.
3. Insert small end of arbor into chuck.
Damage caused by running the mill without
oil in the reservoir will not be covered under
warranty.
4. Hold assembly by the arbor and tap chuck
onto a block of wood with medium force, as
illustrated below.
Figure 14. Arbor/chuck assembly.
5. Attempt to separate drill chuck and arbor by
hand—if they separate, repeat Steps 3–4.
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3. Thread coarse downfeed handle into coarse
downfeed hub (see Figure 17).
Assembly
4. Remove fine downfeed handle from rear of
fine downfeed handwheel and thread into
front of handwheel (see Figure 17).
Yourmillcomesfromthefactorymostlyassembled.
To complete assembly you must install:
•
•
•
•
•
X-Axis handwheel handles
Y-Axis handwheel handle
Z-Axis crank
Coarse downfeed handle
Fine downfeed handwheel handle
Fine
Downfeed
Handwheel
Tools Needed
Qty
Open-End Wrench 14, 19mm...................... 1 Ea.
Flathead Screwdriver..........................................1
Coarse
Downfeed Hub
To assemble mill:
Figure 17. Downfeed components assembeled.
1. Install handwheel handles onto X-axis and
Y-axis handwheels (see Figure 15).
X-Axis
Handwheel
Y-Axis
Handwheel
Figure 15. Locations of X-axis and Y-axis
handwheels.
2. Slide Z-axis crank onto square spindle (see
Figure 16).
Square
Spindle
Figure 16. Location of square spindle.
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Power Connection
Test Run
Once assembly is complete, test run the machine
to ensure it is properly connected to power and
safety components function properly.
Electrocution or fire can occur
if machine is ungrounded,
incorrectly connected to
power, or connected to an
undersized circuit. Use an
electrician or a qualified ser-
vice personnel to ensure a
safe power connection.
The test run consists of the following: 1) The verti-
cal and horizontal spindle motors run correctly,
2) the E-STOP button and column interlock safety
features work correctly, and 3) the power feed unit
works correctly.
If you find an unusual problem during the test run,
immediately stop the machine, disconnect it from
power, and fix the problem BEFORE operating the
machine again. The Troubleshooting table in the
SERVICE section of this manual can help.
Before the machine can be connected to the
power supply, there must be an electrical cir-
cuit that meets the Circuit Requirements on
Page 13, and the correct plug must be installed
according to the instructions and wiring diagrams
provided by the plug manufacturer.
Serious injury or death can result from
using this machine BEFORE understanding
its controls and related safety information.
DO NOT operate, or allow others to operate,
machine until the information is understood.
If the plug manufacturer did not include instruc-
tions, the wiring of a generic NEMA 6-15 plug is
illustrated in the Wiring section on Page 63.
To minimize the risk of electrocution, fire, or equip-
ment damage, installation work and electrical wir-
ing MUST be done by an electrician or qualified
service personnel.
DO NOT start machine until all preceding
setup instructions have been performed.
Operating an improperly set up machine
may result in malfunction or unexpect-
ed results that can lead to serious injury,
death, or machine/property damage.
Note About Extension Cords: Using an incor-
rectly sized extension cord may decrease the
life of electrical components on your machine.
Refer to Extension Cords on Page 14 for more
information.
Mill Test Run
1. Clear all setup tools away from machine.
2. Set horizontal spindle to 72 RPM (see Page
35 for details on how to change speeds).
Note: Make sure to close and tighten column
rear cover so interlock switch is set. Mill will
not run if this is not done.
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3. Push E-STOP button to avoid unexpected
start up when machine is connected to
power.
10. Stop spindle rotation and wait for spindle to
completely stop.
11. Repeat Steps 8–10 with vertical spindle
reverse rotation.
4. Connect mill to power source specified in
SECTION 2: POWER SUPPLY on Page 13.
12. Repeat Steps 8–11 with horizontal spindle.
13. Press E-STOP button on control panel.
5. Turn master power switch ON.
6. Twist E-STOP button clockwise until it pops
out—this resets it for operation (see Figure
18).
14. WITHOUT resetting E-STOP button, attempt
to start vertical spindle rotation. Machine
should not start.
— If machine does start (with the E-STOP
button pushed in), immediately disconnect
power to the machine. The E-STOP but-
ton safety feature is not working correctly.
This safety feature must work properly
before proceeding with regular operations.
Call Tech Support for help.
To Reset
Switch...
Twist Button
Clockwise
OFF
Figure 18. Resetting the E-STOP button.
15. Open column rear cover.
16. Reset E-STOP button.
7. Press POWER button on control panel to
enable power to machine—power button and
spindle RPM readout should light.
17. WITHOUT closing column rear cover, press
POWER button. Machine should not start.
8. Turn variable-speed dial fully counterclock-
wise, then press FORWARD button (vertical
spindle). Rotate variable-speed dial clock-
wise until 100 RPM is reached.
— If machine does start (with the column
rear cover open), immediately disconnect
power to the machine. The column rear
cover interlock switch safety feature is
not working correctly. This safety feature
must work properly before proceeding with
regular operations. Call Tech Support for
help.
9. Listen for abnormal noises and watch for
anything unexpected from mill. It should run
smoothly and without excessive vibration or
rubbing noises.
— Vertical spindle motor is equipped with an
independent high CFM fan that is always
on, and a variable frequency drive which
causes the motor to emit a humming noise
during normal operation.
18. Close column rear cover, and fully tighten
bolt.
— Strange or unusual noises or actions
must be investigated immediately. Turn
machine OFF and disconnect it from the
power source before investigating or cor-
recting potential problems.
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Power Feed Test Run
Spindle Break-In
The mill comes with a power feed unit for X-axis
table travel. Proper operation of the limit switch
attached to the front middle of the table is criti-
cal for the safe use of this power feed unit. If the
power feed does not operate as expected during
the following steps, disconnect it from power and
contact our Tech Support at (570) 546-9663 for
assistance.
The spindle break-in procedure distributes lubri-
cation throughout the bearings to reduce the risk
of early bearing failure if there are any "dry" spots
or areas where lubrication has settled in the bear-
ings. You must complete this procedure before
placing operational loads on the spindle for the
first time when the machine is new or if it has
been sitting idle for longer than 6 months.
To test power feed:
1. Make sure all tools, cables, and other items
are well clear of table movement as you fol-
low these steps.
Always start the spindle break-in at the lowest
speed to minimize wear if there are dry spots.
Allow the spindle to run long enough to warm up
and distribute the bearing grease, then incremen-
tally increase spindle speeds and repeat this pro-
cess at each speed until reaching the maximum
spindle speed. Following the break-in procedure
in this progressive manner helps minimize any
potential wear that could occur before lubrication
is fully distributed.
2. Refer to X-axis Power Feed identification on
Page 6 to understand how power feed, table
locks, and limit switch function.
3. Loosen X-axis table locks on front of table.
4. Make sure power feed directional lever is
in neutral (middle) position, turn speed dial
counterclockwise to lowest setting, then turn
power feed ON.
Complete spindle bearing break-in proce-
dure to prevent rapid wear and tear of
spindle components once mill is placed into
operation.
5. Move direction knob to left, slowly rotate
speed dial clockwise to increase speed, then
confirm table is moving left.
6. Watch for table limit stop to hit limit switch
and turn power feed OFF, stopping table
movement.
DO NOT perform this procedure indepen-
dently of Test Run section. Mill could be
seriously damaged if controls are set differ-
ently than instructed in that section.
7. Move direction knob through neutral (middle)
position and all the way right. Table should
begin moving right.
Vertical Spindle Break-In
8. Confirm table stops moving when limit stop
1. Run vertical spindle at 100 RPM for 10
minutes (see Page 35 for details on how to
change speeds).
presses against limit switch plunger.
9. Move direction knob to neutral (middle) posi-
tion, turn speed dial counterclockwise to low-
est setting, and turn power feed OFF.
2. Reverse spindle rotation direction and run
spindle for an additional 10 minutes.
Congratulations! The Test Run of the mill is
complete. Continue to the next page to per-
form the Spindle Break-In and Inspections &
Adjustments procedures.
3. Run spindle for 5 minutes in each direction of
spindle rotation at the following speeds: 250,
500, 1000, 1500, and 2000 RPM. Make sure
to only increase speeds in the order shown.
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Horizontal Spindle Break-In
1. Run horizontal spindle at 72 RPM for 10
minutes (see Page 35 for details on how to
change speeds).
Inspections &
Adjustments
2. Reverse spindle rotation direction and run
The following list of adjustments were performed
at the factory before the machine was shipped:
spindle for an additional 10 minutes.
3. Run spindle for 5 minutes in each direction
of spindle rotation. Run following speeds:
210, 550 and 1300 RPM. Make sure to only
increase speeds in the order shown.
•
•
X-Axis Leadscrew Backlash........... Page 60
Gib Adjustments..............................Page 61
Be aware that machine components can shift
during the shipping process. Pay careful atten-
tion to these adjustments during operation of the
machine. If you find that the adjustments are not
set according to the procedures in this manual or
your personal preferences, re-adjust them.
Congratulations! Spindle Break-In is complete.
We recommend changing the headstock oil
before operating the machine further (refer to
Lubrication on Page 46.
Since the head has been moved around for
shipping purposes, you will need to tram it
so that the spindle is perpendicular to the
table. Refer to the Tramming Spindle sec-
tion on Page 58 for detailed instructions.
During the first 16 hours of use, the V-belts
will stretch and seat into the pulley grooves.
The V-belts must be properly tensioned
after this period to ensure proper power
transmission and avoid reducing the life of
the belts. Refer to V-Belt Service on Page 52
for detailed instructions.
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SECTION 4: OPERATIONS
To complete a typical operation, the operator
does the following:
Operation Overview
1. Examines workpiece to make sure it is suit-
The purpose of this overview is to provide the nov-
ice machine operator with a basic understanding
of how the machine is used during operation, so
the machine controls/components discussed later
in this manual are easier to understand.
able for operation.
2. Firmly clamps workpiece to table or a mill
vise.
3. Installs correct cutting tool for operation.
Due to the generic nature of this overview, it is
not intended to be an instructional guide. To learn
more about specific operations, read this entire
manual and seek additional training from expe-
rienced machine operators, and do additional
research outside of this manual by reading "how-
to" books, trade magazines, or websites.
4. Uses downfeed and table controls to cor-
rectly position cutting tool and workpiece for
operation. If X-axis power feed will be used
during operation, operator confirms speed
and length of table movement required.
5. Configures machine for correct spindle speed
of operation.
6. Puts on personal protective gear, and makes
sure workpiece and table are clear of all
tools, cords, and other items.
To reduce your risk of
serious injury, read this
entire manual BEFORE
using machine.
7. Turns machine ON, then starts spindle rota-
tion and performs operation.
8. Turns machine OFF.
To reduce risk of eye or face injury from
flying chips, always wear approved safety
glasses and a face shield when operating
this machine.
If you are not experienced with this type
of machine, WE STRONGLY RECOMMEND
that you seek additional training outside of
this manual. Read books/magazines or get
formal training before beginning any proj-
ects. Regardless of the content in this sec-
tion, Grizzly Industrial will not be held liable
for accidents caused by lack of training.
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Table Locks
Use table locks to increase the rigidity of the table
when movement in that axis is not required for the
operation.
Table Movement
The table travels in three directions, as illustrated
in Figure 19.
Refer to Figure 21 to identify the locks for each
table axis.
These movements are controlled by table
handwheels and the Z-axis crank. Additionally,
the table can be moved along the X-axis with
the power feed and manually rotated 45° left and
right.
Limit Stops
Use limit stops in conjunction with the powerfeed
to set the total amount of travel. The limit stops
come into contact with the limit switch and stop
powerfeed motion.
X-Axis or Longitudinal Travel
(Left & Right)
Refer to Figure 21 to identify the limit stops.
Y-Axis or
Cross Travel
(In & Out)
X-Axis Locks
Z-Axis or
Vertical Elevation
(Up & Down)
Z-Axis
Locks
Limit Stop
Figure 19. The directions of table movement.
Y-Axis
Locks
Graduated Index Rings
The table handwheels and Z-axis crank have
graduated rings (see Figure 20) that are used to
determine table movement in 0.001" increments
with one full revolution equaling 0.200" of travel.
Figure 21. Locations of table locks.
Always keep table locked in place unless
table movement is required for your oper-
ation. Unexpected table and workpiece
movement could cause tooling to bind with
workpiece, which may damage tooling or
workpiece.
Additionally, each dial has a thumbscrew that is
used to adjust the dial to zero.
Graduated
Rings
Figure 20. Locations of graduated rings.
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Table Rotation
The table rotates 45° left or right (see Figure 22).
Head Tilt
The head tilts 90° left or right at the end of the
ram.
Hex Nuts
(2 of 4)
When positioning head back to 0° after
tilting it, you will need to tram it to ensure
spindle is precisely perpendicular to table
to ensure proper milling accuracy. Refer to
Tramming Spindle section on Page 58 for
detailed instructions.
Table
Knee
Tools Needed
Qty
Open-End Wrench 19mm.................................. 1
Open-End Wrench 24mm.................................. 1
Figure 22. Table rotated 45° to the right.
Tool Needed
Open-End Wrench 19mm.................................. 1
Qty
To tilt head:
1. DISCONNECT MACHINE FROM POWER!
To rotate table:
2. Loosen three hex nuts (one on each side of
head and one underneath) that secure head
to ram (see Figure 23).
1. DISCONNECT MACHINE FROM POWER!
2. Remove as many items from table as pos-
sible. This makes rotating table easier.
3. Loosen four hex nuts that secure table to
knee (see Figure 22).
Tilting
Bolt
Scale
Note: There are two additional hex nuts
behind table.
4. Using angle scale on table knee as a guide,
Hex Nut
(1 of 3)
rotate table to desired position.
5. Retighten four hex nuts that secure table to
knee before resuming operation.
Figure 23. Head tilting controls.
3. With assistance from another person to sup-
port head, turn tilting bolt until head is in
desired position.
Note: Use angle scale shown in Figure 23 as
a guide for setting tilt angle.
4. Retighten hex nuts that secure head to ram
before resuming operation.
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Rotating Ram On Turret
1. DISCONNECT MACHINE FROM POWER!
Ram Movement
2. Loosen four hex nuts (two on each side of
ram) that secure ram to turret (see Figure 25).
The ram travels forward/backward 11" and rotates
180° on the turret.
Tools Needed
Qty
Open-End Wrench 15mm.................................. 1
Open-End Wrench 24mm.................................. 1
Hex Nuts
Horizontal
Arbor Support
(2 of 4)
Moving Ram Forward/Backward
1. DISCONNECT MACHINE FROM POWER!
2. Loosen two lock handles shown in Figure 24.
Figure 25. Ram rotation hex nuts.
Lock Handles
3. Make sure that cables and hoses are not
entangled or stretched, and that work lamp
and DRO are clear of rotation path as you
move ram on turret.
— If rotating ram 180 degrees, horizontal
arbor support must be removed to provide
clearance for control panel and DRO (see
Figure 25).
Pinion Gear Bolt
Figure 24. Ram back-and-forth controls.
3. Rotate pinion gear bolt to move ram until
4. Retighten four hex nuts that secure ram on
spindle is in desired position.
turret before resuming operation.
4. Retighten lock handles to secure ram move-
ment before resuming operation.
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Tools Needed
Open-End Wrench 19mm.................................. 1
Brass Hammer .................................................. 1
Qty
Installing/Removing
Tooling
Installing Vertical Spindle Tooling
1. DISCONNECT MACHINE FROM POWER!
Vertical Spindle
Tooling is held in the vertical spindle by a combi-
nation of the R-8 taper, a pin inside the spindle,
and a 7⁄16"-20 drawbar.
2. Clean any debris or surface substances from
inside spindle taper and mating surface of
tooling.
The Model G0757Z includes the following vertical
spindle tools (see Figure 28):
Note: Debris or oily substances can prevent
tooling and spindle from properly mating.
This condition can cause excessive vibration,
poor cutting results, or tool/workpiece dam-
age.
A. B16 Drill Chuck w/R-8–B16 Arbor. Refer to
Arbor/Chuck Assembly on Page 21.
B. R-8–MT#3 Spindle Sleeve. Used for MT#3
tools and will accommodate tools with a tang.
It also has a drift key slot for tool removal.
3. Align tooling keyway with pin inside spindle
taper, then firmly push tooling into spindle to
seat it.
C. MT#3–MT#2 Spindle Sleeve. Used for MT#2
tools and will accommodate tools with a tang.
It also has a drift key slot for tool removal.
Cutting tools are sharp and can easily
cause laceration injuries. Use heavy leather
gloves or shop rags to protect your hands
when handling cutting tools.
D. R-8–1" End Mill Arbor. Arbor accepts 1"
bore mill cutters.
E. Drift Key: Use for tool removal.
A
C
Tang
D
E
B
Drift Key Slot
Figure 26. Vertical spindle tools included with
model G0757Z.
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4. With one hand holding tooling in place, insert
vertical drawbar (longer of two drawbars) into
spindle from top of head, then thread it into
tooling (see Figure 27).
Installing Horizontal Spindle &
Tooling
Single or multiple cutters (gang milling) can be
arranged anywhere along the length of the arbor
for simple to very complex cutting operations.
Note: Drawbar has an adjustment hex nut
(see Figure 27) that is used to raise/lower
drawbar to compensate for different tooling
lengths.
The Model G0757Z includes the following hori-
zontal spindle tools (see Figure 28):
A. 11⁄4" Dia. Horizontal Arbor w/Spacers. Used
for horizontal milling operations with 11⁄4" bore
cutters.
Vertical
Drawbar
B. 1" Dia. Horizontal Arbor w/Spacers. Used
for horizontal milling operations with 1" bore
cutters.
Adjustment
Hex Nut
A
B
Figure 27. Vertical drawbar inserted in spindle.
5. Tighten drawbar until it is snug. Avoid over-
tightening, as this could make removing tool-
ing difficult later.
Figure 28. Horizontal arbors included with
Removing Vertical Spindle Tooling
1. DISCONNECT MACHINE FROM POWER!
G0757Z.
Note: Make sure drawbar has at least three
threads engaged with tooling in next step to
avoid damaging drawbar threads or tool.
2. Loosen drawbar a couple of turns, then tap
top of it with a brass hammer to knock taper
between spindle and tooling loose.
3. Support tooling with one hand, then com-
pletely unthread drawbar from tooling.
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Tools Needed
Qty
4. Extend ram all the way forward.
Open-End Wrench 19mm.................................. 1
Open-End Wrench 24mm.................................. 2
Open-End Wrench 32mm.................................. 1
Brass Hammer .................................................. 1
5. Open column rear cover to gain access to
rear of horizontal spindle.
Note: Opening the column rear cover acti-
vates interlock safety switch.
To install horizontal tooling:
1. DISCONNECT MACHINE FROM POWER!
6. Clean any debris or surface substances from
inside spindle taper and mating surface of
arbor.
2. Loosen locking bolt on side of arbor support,
and slide support off ram dovetail way (see
Figure 29).
7. Align keyway of arbor with protruding pin
inside spindle taper, then firmly push arbor
into spindle to seat it (see Figure 30).
8. With one hand holding arbor in place, insert
horizontal drawbar (shorter of two drawbars)
into spindle from rear of column, then thread
it into arbor.
Ram Rotation
Hex Nuts (2 of 4)
Locking Bolt
9. Tighten drawbar until it is snug. Avoid over-
tightening, as this could make removing arbor
difficult later.
Horizontal
Arbor Support
Figure 29. Horizontal arbor support, locking bolt,
Cutting tools are sharp and can easily
cause laceration injuries. Use heavy leather
gloves or shop rags to protect your hands
when handling cutting tools.
and ram rotation hex nut locations.
3. Loosen ram rotation hex nuts (Figure 29),
then rotate ram 180°, as shown in Figure 30.
Note: Make sure "0" marks on ram base and
angle scale are aligned and four ram rotation
hex nuts are retightened.
Arbor
Horizontal
Spindle
Figure 30. Horizontal arbor seated in spindle
with ram fully extended and rotated 180 degrees.
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10. Add ISO 68 oil or equivalent to horizontal
spindle and arbor support ball oilers (refer to
Ball Oilers, beginning on Page 47).
Removing Horizontal Spindle Tooling
1. DISCONNECT MACHINE FROM POWER!
2. Open column rear cover to gain access to
11. Install cutter(s) and spacers on arbor in such
a way that last spacer is inside brass bushing
and arbor threads are fully exposed as you
slide arbor support back onto ram dovetail
ways (see Figure 31).
rear of horizontal spindle.
Note: Opening the column rear cover acti-
vates interlock safety switch.
3. Remove arbor nut from arbor, then remove
12. Secure arbor support by retightening support
arbor support from ram dovetail ways.
locking bolt.
Note: Make sure drawbar has at least three
threads engaged with arbor in next step to
avoid damaging drawbar threads or arbor.
13. Secure arbor assembly with right-hand arbor
nut (see Figure 31).
4. Loosen drawbar a couple of turns. Then tap
end of drawbar with a brass hammer to knock
taper loose between spindle and arbor.
Brass
Bushing
5. Support arbor with one hand, then completely
unthread drawbar from arbor.
6. Remove arbor.
Tooling
7. Re-install arbor support and properly position
Right-Hand
Arbor Nut
and secure ram for next operation.
8. Close and secure column rear cover.
Figure 31. Horizontal arbor and cutter installed.
14. Close and secure column rear cover.
Note: Failure to secure the column rear cover
will leave interlock active, and mill will not run.
Note: Failure to secure the column rear cover
will leave interlock active, and mill will not run.
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Cutting Speeds for High Speed Steel (HSS)
Cutting Tools
Spindle Speed
Workpiece Material
Aluminum & Aluminum Alloys
Brass & Bronze
Copper
Cutting Speed (sfm)
300
150
100
80
Using the correct spindle speed is important for
safe and satisfactory results, as well as maximiz-
ing tool life.
Cast Iron, soft
Cast Iron, hard
Mild Steel
To set the spindle speed for your operation, you
will need to: (1) Determine the best spindle speed
for the cutting task, and (2) configure the mill con-
trols to match the closest spindle speed.
50
90
Cast Steel
80
Alloy Steel, hard
Tool Steel
40
50
Determining Spindle Speed
Stainless Steel
Titanium
60
Many variables affect the optimum spindle speed
to use for any given operation, but the two most
important are the recommended cutting speed for
the workpiece material and the diameter of the
cutting tool, as noted in Figure 32:
50
Plastics
300-800
300-500
Wood
Note: For carbide cutting tools, double the cut-
ting speed. These values are a guideline only.
Refer to the MACHINERY'S HANDBOOK for
more detailed information.
*Recommended
Cutting Speed (FPM) x 12
Figure 33. Cutting speed table.
= RPM
Tool Diameter (in inches) x 3.14
*
Double if using carbide cutting tool
To avoid damaging the spindle, gears, or
cutting tools when setting the spindle speed
range:
Figure 32. Spindle speed formula for milling.
• Spindle rotation must be turned OFF and
the spindle must be at a complete stop
BEFORE you change the spindle speed
range.
Cutting speed, typically defined in feet per minute
(FPM), is the speed at which the edge of a tool
moves across the material surface.
• To avoid damaging the moving parts
inside the headstock, never start spindle
rotation without the range selector detent
pin firmly seated in either the high or low
position.
A recommended cutting speed is an ideal speed
for cutting a type of material in order to produce
the desired finish and optimize tool life.
The books Machinery’s Handbook or Machine
Shop Practice, and some internet sites, pro-
vide excellent recommendations for which cutting
speeds to use when calculating the spindle speed.
These sources also provide a wealth of additional
information about the variables that affect cutting
speed and are a good educational resource.
• When the spindle speed range is changed,
the spindle rotation direction reverses.
You will need to either change the cutting
tool to match the direction of spindle rota-
tion or use the spindle direction switch to
compensate for the reversal.
Also, there are a large number of easy-to-use
spindle speed calculators that can be found on
the internet. These sources will help you take into
account all applicable variables to determine the
best spindle speed for the operation.
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Setting Vertical Spindle Speed
1. Select appropriate speed range using high/
low gear selector (see Figure 34).
Setting Horizontal Spindle Speed
Tools Needed
Open-End Wrench 24mm.................................. 1
Dead Blow Hammer .......................................... 1
Hex Wrench 8mm.............................................. 1
Qty
"L" represents low speed range, which is
capable of spindle speeds from 100–600
RPM. "H" represents high range, which maxi-
mizes spindle torque and is capable of spin-
dle speeds from 350–2000 RPM.
To set horizontal spindle speed:
1. DISCONNECT MACHINE FROM POWER!
2. Open column rear cover to gain access to
horizontal spindle V-belts and pulleys, as
shown in Figure 36.
Lower
Idler
Figure 34. High/Low gear selector in "L"
Hex Nut
Pulley
position.
Behind Bracket
Note: It may be necessary to rotate vertical
spindle by hand to enable gears to mesh
properly.
2. Rotate variable-speed dial fully counterclock-
wise (slowest), then press power button
and use vertical spindle direction buttons to
choose direction of spindle travel and start
spindle rotation (see Figure 35).
Tension
Thumbwheel
RPM Readout
Figure 36. Horizontal spindle V-belts and pulleys
(cover removed for photo clarity).
3. Loosen tension thumb wheel and hex nut
behind lower idler pulley bracket.
Vertical Spindle
Direction Buttons
4. Move lower idler pulley to right to release
V-belt tension.
Power
Button
Note: You may have to bump lower idler pul-
ley with dead blow hammer to get it to move.
Variable-Speed Dial
Figure 35. Controls to adjust spindle speed.
3. Watching vertical spindle RPM readout,
rotate variable-speed dial until desired RPM
is reached.
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5. Arrange V-belts for desired horizontal spindle
speed (see Figure 37).
Using Spindle
Downfeed Controls
Note: Horizontal spindle speed chart shown
below is also on side of column.
Use Figure 39 and the descriptions below to
understand the downfeed components that con-
trol the 5" spindle downfeed travel.
Horizontal Spindle Speeds
RPM
Upper
72
170
210
240
290
550
830
1300
A – G
B – G
C – G
A – F
A – E
B – F
C – E
B – D
Fine
Selection
Downfeed
Lever
D
E
B
F
G
Handwheel
C
A
Motor
Quill
Figure 37. Horizontal spindle speed chart.
Lock
Coarse
6. Apply pressure on lower idler pulley to left as
Downfeed Lever
you tighten tension thumbwheel.
Figure 39. Spindle downfeed controls.
Note: There is proper V-belt tension when
1
approximately ⁄4"–1⁄2" deflection is achieved
Coarse Downfeed Levers: Manually control
downfeed travel in a rapid manner. Generally
used for drilling operations. Spindle automatically
returns to top position when pressure is released
from the handle.
by applying moderate pressure midway
between pulleys as shown in Figure 38.
Fine Downfeed Handwheel: Manually controls
downfeed travel in a slow, precise manner. Unlike
coarse downfeed, spindle does not automatically
retract. The attached graduated dial has incre-
ments of 0.001" with one full revolution represent-
ing 0.100" of travel. Generally used for milling
operations.
1
4"–1⁄2
"
Pulley
⁄
Deflection
Pulley
Selection Lever: When tightened, enables the
fine downfeed handwheel; conversely, when loos-
ened enables the coarse downfeed levers.
Figure 38. Checking V-belt tension.
7. Retighten hex nut behind lower idler pulley
Quill Lock: Secures the quill in place for increased
stability during milling operations.
bracket.
8. Close and latch V-belt cover.
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Coarse Downfeed
Fine Downfeed
When coarse downfeed is engaged, pull coarse
downfeed levers to lower the spindle. An internal
coil spring helps raise the spindle up when you
stop applying downward pressure on the lever.
When fine downfeed is engaged the spindle only
moves up or down when the handwheel is rotated
(there is no automatic spindle return to the top
position, as with the coarse downfeed controls).
This level of control allows the spindle height to be
locked in place with quill lock when milling a flat
surface across the face of a workpiece. In order to
ensure the milled surface remains flat, the spindle
height cannot move until the entire milling opera-
tion is complete.
Note: To maintain control of the upward spindle
travel and the rotating bit in your workpiece,
always continue holding the lever until the spindle
returns to the top position. Letting go of the coarse
downfeed levers when the spindle is in the low-
ered position will cause the spindle to retract too
quickly and slam up into the headstock or lift the
workpiece and cause it to spin out of control.
The graduated dial on the fine downfeed handle
measures spindle movement in 0.010" incre-
ments, with one full revolution equaling 0.100" of
spindle travel.
The coarse downfeed hub features a graduated
dial that measures spindle movement in 1" incre-
ments, with one full revolution equaling 5.00" of
spindle travel.
Using Fine Downfeed Controls
In the following example, the fine downfeed
controls are used to mill 0.010" off a workpiece:
1. Use Z-axis crank to adjust workpiece surface
just below cutting tool, then secure the head-
stock with Z-axis lock levers.
2. Tighten selection lever to engage fine
downfeed handwheel.
3. Loosen quill lock.
4. Rotate fine downfeed handwheel clockwise
and lower cutting tool so it just touches
workpiece.
5. Move workpiece out of the way.
6. Using graduated dial to gauge spindle move-
ment, rotate fine downfeed handwheel clock-
wise 0.010".
7. Tighten quill lock.
8. Turn mill ON and perform cutting pass.
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ACCESSORIES
SECTION 5: ACCESSORIES
T23962—ISO 68 Moly-D Way Oil, 5 Gal.
T23963—ISO 32 Moly-D Machine Oil, 5 Gal.
T26685—ISO 32 Moly-D Machine Oil, 1 Gal.
Moly-D oils are some of the best we've found for
maintaining the critical components of machinery
because they tend to resist run-off and maintain
their lubricity under a variety of conditions—as
well as reduce chatter or slip. Buy in bulk and
save with 1- or 5-gallon quantities.
Installing unapproved accessories may
cause machine to malfunction, resulting in
serious personal injury or machine damage.
To reduce this risk, only install accessories
recommended for this machine by Grizzly.
NOTICE
Refer to our website or latest catalog for
additional recommended accessories.
T23964—Armor Plate with Moly-D Multi-
Purpose Grease, 14.5 oz. (NLGI#2 Equivalent)
Armor Plate with Moly-D is a rich green moly
grease that provides excellent stability and unsur-
passed performance under a wide range of tem-
peratures and operating conditions. Armor Plate
grease is entirely unique due to the fact that the
moly in it is solubilized, which provides supe-
rior performance to other greases containing the
black solid form of molybdenum disulfide.
T23962
T23963
T26685
Figure 41. ISO 68 and ISO 32 machine oil.
H7615—High Pressure Oil Can, 5 Oz.
Whether you're lubricating cutting tools or main-
taining machinery in top operating condition, you'll
appreciate this High Pressure Oil Can. Holds 5
ounces of oil and has a trigger activated, high
pressure pump. Colors may vary.
Figure 42. H7615 High Pressure Oil Can.
Figure 40. T23964 Armor Plate with Moly-D
Multi-Purpose Grease.
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G1075—52-Pc. Clamping Kit
T25702— 5-Pc. R-8 End Mill Holder Set
Hold various sized end mills in your R-8 spindle
with this End Mill Holder Set. Includes holders for
3⁄16", 3⁄8", 1⁄2", 5⁄8", and 3⁄4" end mills.
This clamping kit includes 24 studs, 6 step block
pairs, 6 T-nuts, 6 flange nuts, 4 coupling nuts, and
6 end hold-downs. The rack is slotted so it can be
mounted close to the machine for easy access.
Made for 1⁄2" T-slots.
Figure 43. G1075 Clamping Kit.
T10168—3" Boring Head Set
This all-inclusive set features a precision 3" boring
3
head, R-8 shank, five-piece set of ⁄4" carbide-
Figure 45. T25702 5-Pc. R-8 End Mill Holder
1
tipped boring bars, five-piece set of ⁄2" HSS bor-
ing bars, ⁄2" to ⁄4" adapter, wrenches, and fitted
case.
Set.
1
3
T26688—8-Pc. R-8 Quick Change Collet Set
These collets are hardened and ground for maxi-
mum holding power and ultra precision. Threaded
for 7/16"-20 draw bars, this set has a maximum
1
runout of 0.001". Set includes collect chuck, ⁄4",
3
1
5
3
5⁄16", ⁄8", ⁄2", ⁄8", ⁄4", and 1" collets, spanner
wrench, and moulded plastic case.
Figure 44. T10168 3" Boring Head Set.
Figure 46. T26688 Quick Change Collet Set.
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G9756—20-Pc. HSS End Mill Set
This High Speed Steel set features 2 flute and 4
H5935—3-Pc. Fly Cutter Set w/Tool Bits 1/2"
Here is a 3-pc. Fly Cutter Set that's hard to beat!
Each is supplied with black oxide finish, a set-
screw flat and a blank high speed steel tool.
flute end cutting end mills in the following sizes:
1
5
3
7
1
9
5
11
3
3⁄16", ⁄4", ⁄16", ⁄8", ⁄16", ⁄2", ⁄16", ⁄8", ⁄16" and ⁄4".
Sizes are marked in a durable molded case.
Figure 47. G9756 20-Pc. HSS End Mill Set.
Figure 49. H5935 3-Pc. Fly Cutter Set.
G9760—20-Pc. 2 & 4 Flute TiN End Mill Set
Includes these sizes and styles in two and four
flute styles: 3/16", 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 3/8",
11/16", and 3/4".
T10390—R-8 Holder for T10388
T10388—4" Milling Cutter
H8323— 4" Face Mill Cutter
T10390
H8323
T10388
Figure 48. G9760 20-Pc End Mill Set.
Figure 50. Assortment of cutting tools and
holder.
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G7066— 5" Tilting/Swiveling Milling Vise
Tilting and swiveling milling vise offers the ulti-
mate in work set-up. Precision aligned jaws and
easily accessible tilt and swivel clamps secure for
positively worry-free operation. Worth its weight
in gold!
G7156—4" (35⁄8") Precision Milling Vise
G7154—5" (41⁄2") Precision Milling Vise
G7155—6" (55⁄8") Precision Milling Vise
Swiveling Milling Vises feature perfectly aligned,
precision ground jaws, large Acme® screws and
easy to read 0°–360° scales.
Figure 53. Precision Milling Vise.
H7527— 6" Rotary Table w/ Div. Plates
Use this 6" rotary table in either the horizontal
or vertical position for a variety of milling appli-
cations and with the set of dividing plates and
adjustable tailstock, your milling applications are
nearly unlimited. With 4 degree table movement
per handle rotation and 20 second vernier scale,
control is very accurate and precise. Also includes
a 3⁄8" clamping set for the 4-slot table. Everything
you need in one great set!
Figure 51. G7066 5" Tilting/Swiveling Milling
Vise.
Tilt Tables
G5758—5" x 7" x 33⁄4
G5759—7" x 10" x 5"
"
Set your work at any angle from -45° to +45° with
these sturdy Tilt Tables. Heavy-duty construction
includes 7⁄16" T-slots, two locking screws, and pre-
cision base. 1⁄2" mounting slots.
Figure 54. H7527 6" Rotary Table w/Div. Plates.
Figure 52. Tilt Table.
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Digital Indicators
G9806—Dial Indicator 0.05" Range x 0.0001"
H3326— Digital Indicator
If your measuring requirements call for supreme
accuracy within a short range, this is the Dial
Indicator for you. Graduations are 0.0001" (one
ten thousandth of an inch) and range is 0.05" (five
hundredths of an inch). Fits all dial indicator mag-
netic bases.
Basic Eye Protection
T20501—Face Shield Crown Protector 4"
T20502—Face Shield Crown Protector 7"
T20503—Face Shield Window
T20451—“Kirova” Clear Safety Glasses
T20452—“Kirova” Anti-Reflective S. Glasses
H7194—Bifocal Safety Glasses 1.5
H7195—Bifocal Safety Glasses 2.0
H7196—Bifocal Safety Glasses 2.5
T20502
G9806
H3326
T20452
T20503
T20451
H7194
Figure 56. Assortment of basic eye protection.
Figure 55. Assortment of digital indicators.
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SECTION 6: MAINTENANCE
Daily, After Operations
•
Push the E-STOP button, turn the mas-
ter power switch OFF, and disconnect the
machine from power.
Vacuum/clean all chips and swarf from table,
slides, and base.
Wipe down all unpainted or machined sur-
faces with a high-quality rust preventative.
To reduce risk of shock or
accidental startup, always
disconnect machine from
power before adjustments,
maintenance, or service.
•
•
Schedule
Cleaning &
Protecting
Regular maintenance will help ensure proper
care of the equipment. We strongly recommend
that all operators make a habit of following the
maintenance procedures found in this section.
For optimum performance from this machine, this
maintenance schedule must be strictly followed.
Metal chips and other debris left on the machine
will invite oxidation and a gummy residue build-up
around the moving parts. Use a brush and shop
vacuum to remove chips and debris from the
working surfaces of the mill. Never blow off the
mill with compressed air, as this will force metal
chips deep into the mechanisms and may cause
injury to yourself or bystanders.
Ongoing
To maintain a low risk of injury and proper
machine operation, if you ever observe any of the
items below, shut the machine down immediately,
disconnect it from power, and fix the problem
before continuing operations.
Remove any rust build-up from unpainted cast
iron surfaces of your mill and treat them with a
non-staining lubricant after cleaning.
•
•
•
•
•
•
•
Loose mounting bolts or fasteners.
Worn, frayed, cracked, or damaged wires.
E-STOP button not working correctly.
Worn or loose V-belts (see Page 52).
Missing or open belt guards/door.
Coolant not flowing correctly.
Keep unpainted cast iron surfaces rust-free
with regular applications of products like G96®
Gun Treatment, SLIPIT®, or Boeshield® T-9 (see
Figure 57 and the Grizzly catalog or website).
Any other unsafe condition.
Before Beginning Operations
•
Press the E-STOP button on the control
panel to prevent high-speed spindle startup
when connected to power.
•
Make sure the X-axis power feed is turned
OFF to prevent unintentional table movement
when connected to power.
•
•
•
Check the coolant reservoir in the base. Fill it
or clean it out if necessary (see Page 51).
Perform all required lubrication tasks (see
Page 45).
Check table movement in all three axes for
loose/tight gibs. Adjust the gibs if necessary.
G2870
G5563
H3788
Boeshield® T-9
SLIPIT®
G96® Gun
Treatment
Figure 57. Products to clean and protect
unpainted cast iron surfaces.
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Frequency
(Hours of
Operation)
Lubrication
Page
Ref.
Lubrication Task
Ball Oilers
4–8
4–8
4–8
40
47
48
48
48
49
49
49
50
The mill has numerous moving metal-to-metal
contacts that require regular and proper lubrica-
tion to ensure efficient and long-lasting operation.
Vertical Spindle Bearings
Quill Exterior
Quill Rack & Pinion
Table Leadscrews
Ram Ways
Other than the lubrication points covered in this
section, all other bearings are internally lubricated
and sealed at the factory. Simply leave them
alone unless they need to be replaced.
40
40
Z-Axis Bevel Gears
X-Axis Power Feed Gears
80
80
DISCONNECT MACHINE FROM POWER before
performing any lubrication task!
Important: Before adding lubricant, clean the
debris and grime from the device and the imme-
diate area to prevent contamination of the new
lubricant.
The recommended lubrication schedule is
based on light-to-medium usage. Keeping
in mind that lubrication helps to protect
the value and operation of the mill, these
lubrication tasks may need to be performed
more frequently depending on usage.
Use the schedule and information in the chart
below as a daily guide for lubrication tasks.
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4. Fill headstock with oil to red mark on sight
glass (see Figure 59).
Headstock
Oil Type ......Model T23963 or ISO 32 Equivalent
Oil Amount...........................................2.1 Quarts
Lubrication Frequency........................... Annually
The headstock uses ISO 32 machine oil to lubri-
cate the gears, and is equipped with an oil-level
sight glass to gauge when the proper amount of
oil is in the headstock.
Oil-Level
Sight Glass
Red Mark
The amount of oil in the headstock must be
regularly monitored before each operation to
ensure it doesn't drop below sight glass visibility.
Headstock oil must be changed on an annual
basis to ensure proper lubricity of oil.
Figure 59. Red mark on sight glass indicates
headstock oil level is full.
Tools Needed
Qty
5. Re-install oil fill plug.
Open-End Wrench 12mm.................................. 1
Hex Wrench 8mm.............................................. 1
Drain Pan (2-Gallon or Larger).......................... 1
Pump-Type Oil Can with Plastic or Rubber Tip. 1
6. Discard used oil following federal, state,
and fluid manufacturer guidelines for proper
disposal.
To change oil in headstock:
1. Remove oil fill plug from top of headstock
(see Figure 58).
Oil Fill Plug
Oil Drain Plug
Figure 58. Headstock oil fill and drain locations.
2. Hold drain pan under drain plug and remove
drain plug. Allow old oil to drain into drain
pan.
3. Replace and tighten drain plug.
Do not fill headstock with oil above red
mark. This could damage machine and cre-
ate an overflow of oil.
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Ball Oilers
Oil Type ......Model T23963 or ISO 32 Equivalent
Oil Amount.........................................1–2 Pumps
Lubrication Frequency...... 4–8 Hrs. of Operation
Proper lubrication of ball oilers is done with
a pump-type oil can that has a cone tip (see
Page 39 for offerings from Grizzly). We do not
recommend using metal needle or lance tips, as
they can push the ball too far into the oiler, break
the spring seat, and lodge the ball in the oil galley.
Figure 61. Front saddle and Y-axis handwheel
Push the tip of the oil can nozzle against the ball
oiler to create a hydraulic seal, then pump the oil
can once or twice. If you see sludge and contami-
nants coming out of the lubrication area, continue
pumping the oil can until the oil runs clear. Move
the components through the entire path of travel a
few times to distribute the oil. When finished, wipe
away the excess oil.
ball oilers.
Use Figures 60–64 to locate the 13 ball oilers on
the Model G0757Z.
Figure 62. Rear saddle ball oilers.
Figure 60. Ball oilers on the side of the knee
and Z-axis crank ball oiler.
Figure 63. Horizontal spindle ball oiler.
Note: There is a single ball oiler duplicated on the
opposite side of the knee.
Figure 64. Horizontal spindle arbor support ball
oiler.
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Vertical Spindle Bearings
Oil Type ......Model T23963 or ISO 32 Equivalent
Oil Amount.........................................1–2 Pumps
Lubrication Frequency...... 4–8 Hrs. of Operation
Quill Exterior
Oil Type ......Model T23962 or ISO 68 Equivalent
Oil Amount............................................Thin Coat
Lubrication Frequency...... 4–8 Hrs. of Operation
To lubricate vertical spindle bearings:
Fully extend the spindle to expose the quill (see
Figure 66), then use an oily shop rag to apply a
thin coat of lubricant to the smooth surface of the
quill.
1. Remove circular cover on right side of head
to expose vertical spindle spline (see Figure
65).
Note: If you remove any of the grease from the
teeth of the quill rack, replace it as instructed
below.
Spindle
Spline
Exposed
Pinion
Rack
Quill
Smooth
Surface
Figure 65. Vertical spindle spline exposed for
lubrication.
2. Raise spindle until you can see top of quill.
Figure 66. Quill lubrication points.
3. Add 1–2 pumps from an oil can between
spindle spline and top of quill.
Quill Rack & Pinion
Grease Type......... NLGI#2 Grease or Equivalent
Oil Amount............................................Thin Coat
Lubrication Frequency.........40 Hrs. of Operation
4. Replace circular cover and run vertical spin-
dle for a few minutes to distribute oil in
bearings.
Fully extend the spindle to expose the quill rack
(see Figure 66), then use mineral spirits, shop
rags, and a brush to clean the old grease from the
teeth of the rack and pinion.
When dry, use a brush to apply a thin coat of
grease to the teeth, then move the quill up and
down several times to evenly distribute the grease.
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Table Leadscrews
Oil Type ......Model T23962 or ISO 68 Equivalent
Oil Amount............................................Thin Coat
Lubrication Frequency.........40 Hrs. of Operation
Ram Ways
Oil Type ......Model T23962 or ISO 68 Equivalent
Oil Amount............................................Thin Coat
Lubrication Frequency.........40 Hrs. of Operation
Move the table as necessary to access the entire
length of the X-, Y-, and Z-axis leadscrews (see
Figures 67–68), then use mineral spirits, shop
rags, and a brush to clean them.
Move the ram as necessary to gain access to the
entire length of the ram dovetail ways (see Figure
69), use mineral spirits and shop rags to clean the
ways, then apply a thin coat of lubricant.
X-Axis
Leadscrew
Ram Dovetail Ways
Figure 67. X-axis leadscrew
Figure 69. Ram dovetail ways.
(as viewed underneath the table).
Z-Axis Bevel Gears
Grease Type......... NLGI#2 Grease or Equivalent
Oil Amount............................................Thin Coat
Lubrication Frequency.........80 Hrs. of Operation
Use mineral spirits, shop rags, and a brush to
clean the old grease from the teeth of the bevel
gears shown in Figure 70.
Z-Axis
Leadscrew
Y-Axis
Leadscrew
Figure 68. Y- and Z-axis leadscrews
(as viewed underneath the knee).
When dry, use a clean brush to apply a thin coat
of oil to the leadscrew threads, then move the
table through the X-, Y-, and Z-axis paths to dis-
tribute the oil.
Figure 70. Location of Z-axis bevel gears.
When dry, use a brush to apply a thin coat of
grease to the teeth, then move the table up and
down to evenly distribute the grease.
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5. Brush a light coat of grease on bevel gear
X-Axis Power Feed Gears
Grease Type.........T23964 or NLGI#2 Equivalent
Amount .................................................Thin Coat
Add Frequency ....................40 Hrs. of Operation
teeth and smaller drive gear.
6. Replace leadscrew alignment key, then align
bevel gear keyway with key as you slide gear
onto leadscrew and mesh its teeth with drive
gear.
Tool Needed
Open-End Wrench 19mm.................................. 1
Qty
7. Replace graduated dial ring and secure it with
To lubricate power feed gears:
knurled retaining ring—do not overtighten.
1. DISCONNECT MACHINE FROM POWER!
8. Slide ball handle onto leadscrew, align key-
way with leadscrew alignment key, then
secure it with hex nut removed in Step 2.
2. Remove hex nut and ball handle from power
unit end of the X-axis leadscrew.
9. Move table with ball handle to check gear
movement and distribute grease on gears. If
movement is not smooth, repeat Steps 2–8
until it is.
3. Unthread and remove knurled retaining ring
and graduated dial ring from end of leadscrew.
4. Remove brass bevel gear from leadscrew,
then remove leadscrew alignment key (see
Figure 71).
Key
Drive
Brass
Gear
Bevel Gear
Figure 71. Power feed gears and key.
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Checking/Adding Coolant
Tools Needed
Adding/Changing
Coolant
Qty
Hex Wrench 5mm.............................................. 1
Goggles.......................................... 1 Per Person
Gloves ............................................ 1 Per Person
Respirator....................................... 1 Per Person
New Coolant............Approx. 2 Gallon (7.5 Liters)
Disposable Shop Rags...................... As Needed
Hazards
As some coolant ages, dangerous microbes can
proliferate and create a biological hazard. The risk
of exposure to this hazard can be greatly reduced
by replacing the old coolant on a regular basis, as
indicated in the maintenance schedule.
To check or add coolant:
1. DISCONNECT MACHINE FROM POWER!
The important thing to keep in mind when working
with the coolant is to minimize exposure to your
skin, eyes, and respiratory system by wearing
the proper PPE (personal protective equipment),
such as splash-resistant safety glasses, long-
sleeve gloves, protective clothing, and a NIOSH
approved respirator.
2. Clean away debris and grime from coolant
return screen and surrounding area, then
remove screen from base, as shown in
Figure 72.
Coolant
Return Screen
BIOLOGICAL & POISON
HAZARD!
Use the correct person-
al protection equipment
when handling coolant.
Follow federal, state,
and fluid manufacturer
requirements for proper
disposal.
Figure 72. Coolant return screen removed.
3. Use a clean metal tool as a dip stick to mea-
sure the level of coolant in reservoir. If lower
than 11⁄2", add coolant by pouring it into return
screen hole.
A small amount of coolant is lost during normal
operation. Check the coolant reservoir regularly
and fill it if necessary. We recommend chang-
ing the coolant every three months or sooner if it
develops an unpleasant odor. However, be sure
to follow the coolant manufacturer's instructions
when checking, adding, or changing coolant.
4. Re-install return screen before resuming mill-
ing operations.
Tip: As an alternate method, leave return
screen in place and use a clean, small instru-
ment through holes in return screen, such
as a dip stick. If more coolant is necessary,
make sure screen and surrounding area are
clean from any containments, then add cool-
ant through screen.
The coolant reservoir holds approximately 2 gal-
lons (7.5 liters) of fluid.
Running coolant pump without adequate
coolant in reservoir may permanently dam-
age coolant pump, which will not covered
by warranty.
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Changing Coolant
Tools Needed
V-Belt Service
Qty
Hex Wrench 5mm.............................................. 1
Catch Pan.......................................................... 1
Empty Bucket 5-Gal. ......................................... 1
Rubber Hose (optional) ..................................... 1
Goggles.......................................... 1 Per Person
Gloves ............................................ 1 Per Person
Respirator....................................... 1 Per Person
New Coolant..........Approx. 2 Gallons (7.5 Liters)
Disposable Shop Rags...................... As Needed
During the first 16 hours of use, the V-belts may
stretch slightly and seat into the pulleys. It is impor-
tant to check and adjust them to compensate for
this initial wear. Check the tension thereafter on a
regular basis. If belts become excessively worn or
damaged, replace them.
All V-belts can be replaced by releasing the ten-
sion and rolling them off the pulleys, then rolling
the new belts back onto the pulleys.
To change coolant:
1. Put on personal protective equipment.
Tensioning Lower Horizontal Spindle
V-Belts
2. Place catch pan on table, position coolant
nozzle into pan, then use coolant pump to
drain reservoir.
Tools Needed
Qty
Open-End Wrench 24mm.................................. 1
Dead Blow Hammer .......................................... 1
Hex Wrench 8mm.............................................. 1
Note: When catch pan is near full, empty it
into a 5 gallon bucket, then repeat process
until reservoir is empty.
To tension lower horizontal spindle V-belts:
1. DISCONNECT MACHINE FROM POWER!
Tip: Alternately, slide a rubber hose onto
coolant nozzle and point it 5 gallon bucket.
2. Open column rear cover to gain access to
horizontal spindle V-belts and pulleys, as
shown in Figure 73.
3. DISCONNECT MACHINE FROM POWER!
4. Clean away debris from coolant return screen
and surrounding area, then remove screen
from base.
Upper
V-Belts
5. Thoroughly clean out reservoir. Make sure
interior is dry before adding new coolant.
Lower
V-Belts
Note: Use a shop vacuum and a cleaning
solution that is compatible with type of cool-
ant. For instance, if you are using a water-
base coolant, then use a water-base cleaning
solvent. Also, use magnets to remove any
metal chips left behind.
Hex Nut
Behind Bracket
6. When reservoir is clean and dry, fill reservoir
with new coolant through hole in the base left
by return screen.
Tension
Thumbwheel
Tip: Place a couple of magnets inside res-
ervoir under return screen to collect metal
particles and keep them out of coolant pump.
Lower Idler Pulley
7. Re-install return screen before resuming mill-
Figure 73. Horizontal spindle V-belts and pulleys
ing operations.
(cover removed for photo clarity).
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3. Loosen tension thumbwheel and hex nut
Tensioning Upper Horizontal Spindle
V-Belts
behind lower idler pulley bracket.
Tools Needed
Hex Wrench 6mm.............................................. 1
Open-End Wrench 14mm.................................. 1
Qty
Note: In next step, you may have to bump
lower idler pulley with dead blow hammer to
get it to move.
To tension upper horizontal spindle V-belts:
4. Apply pressure on lower idler pulley to the left
as you tighten tension thumbwheel.
1. DISCONNECT MACHINE FROM POWER!
Note: There is proper V-belt tension when
2. Open horizontal column rear cover to gain
access to horizontal spindle V-belts and pul-
leys.
1
approximately ⁄4"–1⁄2" deflection is achieved
(see Figure 74) by applying moderate pres-
sure midway between pulleys.
3. Loosen hex nut on center cap screw shown in
Figure 75, then rotate cap screw clockwise to
increase tension in upper V-belts.
1
⁄
4"–1⁄2
"
Pulley
Note: There is proper V-belt tension when
Deflection
1
approximately ⁄4"–1⁄2" deflection is achieved
(see Figure 74 on previous page) by applying
moderate pressure midway between pulleys.
Pulley
Upper V-Belts
Figure 74. Checking V-belt tension.
5. Retighten hex nut behind center pul-
Center
ley bracket.
Cap Screw
& Hex Nut
6. Close and rear column cover.
Figure 75. Upper horizontal V-belt tensioning
cap screw.
4. Retighten hex nut and secure column rear
cover.
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Bringing Mill Out of Storage
Machine Storage
1. Re-tension V-Belts (refer to Page 52) if you
loosened them for storage purposes.
The machine must be properly prepared if it will
be stored for any period of time. Doing this will
help prevent the development of rust and corro-
sion and ensure the mill remains in good condition
for later use.
2. Remove moisture-absorbing desiccant packs
from the electrical box.
3. Repeat Test Run and Spindle Break-In pro-
cedures, beginning on Page 23.
Note: When taking the machine out of storage,
repeat the Test Run and the Spindle Break-In.
4. Add coolant, as described in Adding/
Changing Coolant on Page 51.
Preparing Mill for Storage
1. DISCONNECT MACHINE FROM POWER!
2. Lubricate machine as directed in Lubrication
on Page 46.
3. Clean out coolant reservoir as directed in
Changing Coolant on Page 51.
4. Thoroughly clean all unpainted, bare metal
surfaces, then coat them with quality rust pre-
ventative. Take care to ensure these surfaces
are completely covered but rust preventative
is kept off painted surfaces.
Note: If the machine will be out of service
for only a short period of time, use way oil in
place of rust preventative.
5. Loosen belts to prevent them from stretching
during storage. Post a reminder on machine
that belts need to be re-installed or tensioned
before resuming operations.
6. Place a few moisture-absorbing desiccant
packs inside electrical cabinet.
7. Cover and place machine in a dry area that
is out of direct sunlight and away from haz-
ardous fumes, paint, solvents, or gas. Fumes
and sunlight can bleach or discolor paint and
plastic parts.
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SECTION 7: SERVICE
Review the troubleshooting and procedures in this section if a problem develops with your machine. If you
need replacement parts or additional help with a procedure, call our Technical Support. Note: Please gather
the serial number and manufacture date of your machine before calling.
Troubleshooting
Motor & Electrical
Symptom
Possible Cause
Possible Solution
Machine does not
start or a breaker
trips.
1. Emergency stop button depressed/at fault. 1. Rotate button head to reset. Replace.
2. Plug/receptacle at fault/wired wrong.
3. Incorrect power supply voltage or circuit
size.
2. Test for good contacts; correct the wiring.
3. Ensure correct power supply voltage and circuit
size.
4. Column cover interlock safety switch is
engaged.
4. Re-adjust component to disengage column cover
interlock safety switch.
5. Blown machine fuse.
5. Replace fuse/ensure no shorts.
6. Power supply circuit breaker tripped or fuse 6. Ensure circuit is sized correctly and free of shorts.
blown.
Reset circuit breaker or replace fuse.
7. Correct motor wiring connections.
8. Check/fix broken, disconnected, or corroded wires.
9. Test/replace.
7. Motor wires connected incorrectly.
8. Wiring open/has high resistance.
9. Start capacitor at fault (horizontal motor
only).
10. Potentiometer/variable-speed dial controller 10. Test/replace.
at fault.
11. Contactor not energized/has poor contacts. 11. Test all legs for power/replace.
12. Inverter/control box at fault.
13. Motor at fault.
12. Inspect inverter/controller box; replace.
13. Test/repair/replace.
Machine stalls or is 1. Machine undersized for task.
underpowered.
1. Use correct cutter/bit; reduce feed rate; reduce
spindle RPM; use coolant if possible.
2. Decrease feed rate/cutting speed.
3. Use correct type/size of metal.
4. Tension/replace belt(s); ensure pulleys are aligned.
5. Clean belt(s).
2. Feed rate/cutting speed too fast.
3. Wrong workpiece material.
4. Belt(s) slipping.
5. Oil/grease on belt(s).
6. Motor wired incorrectly.
7. Gearbox at fault.
6. Wire motor correctly.
7. Select appropriate gear ratio; replace broken or
slipping gears.
8. Motor overheated.
8. Clean motor, let cool, and reduce workload.
9. Test/repair/replace.
9. Run capacitor at fault (horizontal motor
only).
10. Pulley/sprocket slipping on shaft.
10. Replace loose pulley/shaft.
11. Contactor not energized/has poor contacts. 11. Test all legs for power/replace.
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Symptom
Possible Cause
Possible Solution
Machine has
vibration or noisy
operation.
1. Workpiece loose.
1. Use the correct holding fixture and reclamp
workpiece.
2. Chuck or cutter at fault.
2. Replace unbalanced chuck; replace/resharpen
cutter; use correct feed rate.
3. Motor or component loose.
3. Inspect/replace damaged bolts/nuts, and retighten
with thread locking fluid.
4. V-belt(s) worn or loose.
5. Motor fan rubbing on fan cover.
6. Motor mount loose/broken.
7. Pulley loose.
4. Inspect/replace belts with a new matched set.
5. Fix/replace fan cover; replace loose/damaged fan.
6. Tighten/replace.
7. Re-align/replace shaft, pulley set screw, and key.
8. Tighten mounting bolts; relocate/shim machine.
9. Replace/realign belts with a matched set.
10. Replace.
8. Machine incorrectly mounted.
9. Belts slapping cover.
10. Centrifugal switch is at fault (horizontal
motor only).
11. Motor bearings at fault.
11. Test by rotating shaft; rotational grinding/loose shaft
requires bearing replacement.
Mill Operations
Symptom
Possible Cause
Possible Solution
Tool loose in
spindle.
1. Tool is not fully drawn up into spindle taper. 1. Tighten drawbar.
2. Taking too big of a cut.
2. Lessen depth of cut and allow chips to clear.
3. Clean tool and spindle taper.
3. Debris on tool or in spindle taper.
Breaking tools or
cutters.
1. Spindle speed/feed rate is too fast.
2. Cutting tool is too small.
1. Set spindle speed correctly or use slower feed rate.
2. Use larger cutting tool and slower feed rate.
3. Use coolant or oil for appropriate application.
4. Lessen depth of cut and allow chips to clear.
5. Fully retract spindle and lower headstock. This
increases rigidity.
3. Cutting tool getting too hot.
4. Taking too big of a cut.
5. Spindle extended too far down.
Workpiece or tool
vibrates or chatters
during operation.
1. Table locks not tight.
1. Tighten table locks (Page 28).
2. Properly clamp workpiece on table or in vise.
3. Set spindle speed correctly or use slower feed rate
(Page 35).
2. Workpiece not secure.
3. Spindle speed/feed rate is too fast.
4. Spindle extended too far down.
4. Fully retract spindle and lower headstock. This
increases rigidity.
5. Quill lock not tight.
5. Tighten quill lock (Page 37).
6. Tighten gibs.
6. Gibs too loose in table.
Table is hard to
move.
1. Table locks are tightened down.
2. Chips have loaded up on ways.
1. Make sure table locks are fully released.
2. Frequently clean away chips that load up during
operations.
3. Ways are dry and need lubrication.
4. Table limit stops are interfering.
3. Lubricate ways.
4. Check to make sure that all table limit stops are not
in the way.
5. Gibs are too tight.
5. Adjust gibs (Page 61).
Headstock is hard to 1. Headstock lock(s) or gib is at fault.
1. Loosen/replace lock lever and adjust gib.
2. Clean and relubricate headstock leadscrew and
gears.
raise.
2. Headstock leadscrew is binding.
3. Gib is too tight.
3. Adjust gib (Page 61).
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Symptom
Possible Cause
Possible Solution
Bad surface finish.
1. Spindle speed/feed rate is too fast.
2. Workpiece not secure.
1. Set spindle speed correctly or use slower feed rate
(Page 35).
3. Spindle extended too far down.
2. Properly clamp workpiece on table or in vise.
3. Fully retract spindle and lower headstock. This
increases rigidity.
4. Dull or incorrect cutting tool.
4. Sharpen cutting tool or select one that better suits
the operation.
5. Wrong rotation direction of cutting tool.
5. Check for proper cutting tool rotation direction.
Cutting results not
square.
1. Table and spindle are not at 90° to each
other.
1. Tram the spindle (Page 58).
2. Table travel is inconsistent.
2. Adjust gibs (Page 61).
Spindle overheats.
1. Poor spindle bearing lubrication.
2. Spindle bearings too tight.
3. Mill operated at high speeds for extended
period.
1. Lubricate spindle bearings.
2. Properly adjust spindle bearing preload.
3. Allow mill to cool.
Lack of power at
spindle.
1. V-belts are loose.
2. Wrong voltage.
1. Properly tension V-belts (Page 52).
2. Correct voltage.
Spindle does not
return to highest
position.
1. Poorly adjusted return spring.
2. Worn return spring.
1. Increase return spring tension.
2. Replace return spring.
Control Panel
1. Shorted/disconnected wiring.
1. Inspect circuit boards, wiring connections. Replace/
repair as necessary.
FORWARD and
REVERSE buttons
do not work.
Power feed does
not move table or is
slipping.
1. Table locked.
1. Unlock table locks (Page 28).
2. Select speed, engage drive selector.
3. Replace pin.
2. Drive selector not engaged.
3. Sheared pin.
4. Gears not meshing or teeth missing.
5. Motor shaft and gear shaft not engaged.
4. Check gears and adjust/replace.
5. Replace clutch.
Operates at high
speed only or is
inconsistent.
1. Rapid micro switch is stuck.
1. Lightly tap on it to lower it.
2. Test/Repair/Replace.
2. Variable-speed dial doesn't work properly.
3. Wiring harness disconnected.
3. Reconnect wiring harness.
Lamp will not light.
2. Power not turned on.
2. Press switch/button on lamp or control panel.
3. Replace bulb.
3. Bulb is burned out.
1. Short in wiring or wired incorrectly.
1. Trace and test wiring. Fix any errors.
DRO doesn't give
reading.
1. DRO is not turned on.
1. Switch DRO ON/Power button.
2. Change batteries.
2. Batteries are dead.
3. Shorted/disconnected wiring/plugs.
3. Inspect circuit boards, sensors, plugs, and wiring
connections. Replace/repair as necessary.
DRO reading is
incorrect.
1. Initial reading is incorrect.
2. Sensor has gone bad.
3. Spacing between sensor and scale is
incorrect.
1. Tare/Zero/Reset DRO at beginning point.
2. Test/replace sensor as necessary.
3. Adjust spacing between sensor and scale.
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Note: A precision-ground plate can be substi-
tuted for the parallel blocks. Keep in mind that
the farther the indicator point can be placed from
the spindle axis, the more accurate the alignment
measurements will be.
Tramming Mill Head
After positioning the head at an angle and when
your operation requires that the spindle axis be
precisely perpendicular to the table, you must
tram or align the spindle with the table to ensure
the spindle is exactly 90° to the table.
To tram spindle to mill head:
1. DISCONNECT MACHINE FROM POWER!
This procedure involves mounting a dial test
indicator to the quill or spindle, rotating it around
the table, and adjusting the spindle axis (Z-axis)
90° to the table X- and Y-axes, as illustrated in
Figure 76.
2. Prepare the mill for tramming by performing
following tasks:
• Verify the table is clean by running your
hand over the top of it. If necessary, stone
the table to remove all nicks and burrs,
then clean off all debris.
Spindle
Z-Axis
• Position the table for the milling operation
you intend to perform after tramming—
preferably centered with the saddle.
• Tighten any table, knee, quill, or ram locks
that should be tight during the intended
milling operation.
Y-Axis
90º
90º
X-Axis
3. Place parallel block underneath spindle.
Table
4. Install indicator holder in spindle or on quill,
then mount indicator so that point is as paral-
lel to the block as possible (see illustration in
Figure 77).
Figure 76. Spindle Z-axis perpendicular to the
table X- and Y-axis.
We encourage you to research the many varia-
tions of spindle tramming to find the one that
works best for you. If you do not already have a
preference for performing this operation, use the
following widely-used procedure for accurately
tramming the spindle to the table.
Indicator Holder
Spindle
Dial Test
Indicator
Keep in mind that all workpiece top surfaces are
not exactly parallel with the table top. You may
choose to tram the spindle to the top surface of
the workpiece after it is mounted instead of that
of the table.
Parallel Block
Table
Tools Needed
Qty
Dial Test Indicator
(with at least 0.0005" resolution) ................ 1
Indicator Holder
Figure 77. Dial test indicator mounted.
(mounted on the quill/spindle) .................... 1
Precision Parallel Block
(at least 9" in length)................................... 1
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5. To measure spindle alignment along X-axis,
place parallel block directly under spindle and
indicator across length of table, as illustrated
in Figure 78.
7. Rotate spindle so that indicator point rests
in same manner on other end of block, then
read dial.
— If indicator dial still reads zero or is within
the acceptable variance, continue on with
Step 8.
Note: If you must re-position quill or knee to
accommodate above step, then review the
tasks in Step 2 to make sure the mill is prop-
erly prepared for tramming.
— If indicator dial has moved from zero
beyond acceptable variance, you will need
to compensate for that amount by rotat-
ing head left or right. Repeat Steps 6–7
until you are satisfied with the spindle axis
alignment along table X-axis.
Table (Top View)
Parallel Block
Note: Keep one of the rotation lock bolts
just snug so the head does not move loosely
while you adjust it. Remember to tighten
all the rotation lock bolts after adjusting the
head.
Indicator
Spindle
8. Place parallel block directly under spindle
and across width of table, as illustrated in
Figure 79.
Figure 78. Parallel block and indicator positioned
for the X-axis measurement
(top view).
Table (Top View)
Indicator
Note: Your general goal in the next steps
should be to get the difference of the indicator
readings between the ends of the parallel bar
down to 0.0005". However, the acceptable
variance will depend on the requirements for
your operation.
Spindle
Parallel Block
6. Rotate spindle by hand so that indicator point
rests on one end of parallel block, as illus-
trated in Figures 77–78, then zero dial.
Figure 79. Parallel block and indicator positioned
for the Y-axis measurement
(top view).
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9. Rotate spindle so indicator point rests on par-
allel block, as illustrated in Figure 79, then
zero dial.
Adjusting Leadscrew
Backlash
10. Rotate spindle so that indicator point rests on
other end of block in same manner, then read
dial.
Leadscrew backlash is the amount of free play
movement in the leadscrew (when the leadscrew
moves but the table does not) after changing the
direction of rotation.
— If indicator dial still reads zero or is within
the acceptable variance, the spindle is
precisely perpendicular to table in both
X- and Y-axes, and tramming procedure
is complete.
A leadscrew must have a certain amount of back-
lash to rotate easily , but over time, it increases
with wear. Generally, 0.005"–0.010" leadscrew
backlash is acceptable to ensure smooth move-
ment and reduce the risk of premature thread
wear.
— If indicator dial has moved from zero
beyond acceptable variance, you will need
to compensate for that amount by tilting
head forward or backward. Repeat Steps
9–10 until you are satisfied with spindle
axis alignment along table Y-axis.
The X-axis leadscrew backlash is adjusted using
a long 4mm hex wrench to tighten/loosen the cap
screws on the leadscrew nut. This adjusts the force
the leadscrew nut exerts on the leadscrew threads.
Note: Keep one of the tilt lock bolts just snug
so the head does not move loosely while you
adjust it. Remember to tighten all the tilt lock
bolts after adjusting the head.
The X-axis leadscrew nut shown in Figure 80 is
accessed from underneath the right side of the
table.
X-Axis Leadscrew Nut
Cap Screws
Figure 80. Location of X-axis leadscrew nut cap
screws for adjusting backlash.
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The Z-axis gib has only one adjustment screw
on the top of the gib (see Figure 82). The screw
moves the gib up and down. Other than this dif-
ference, use the same method of adjustment as
with the other gibs.
Adjusting Gibs
Gibs are tapered lengths of metal that are sand-
wiched between two moving surfaces. Gibs con-
trol the gap between these surfaces and how they
slide past one another. Correctly adjusting the
gibs is critical to producing good results.
Note: Remove the way cover behind the table to
gain access to the Z-axis gib adjustment screw.
Correctly positioning gibs is a matter of trial and
error and patience. Tight gibs make table move-
ment more accurate but stiff. Loose gibs make
table movement sloppy but easier to do. The goal
of gib adjustment is to remove unnecessary slop-
piness without causing the ways to bind.
Z-Axis
Gib Screw
Many experienced machinists adjust the gibs just
to the point where they can feel a slight drag in
table movement.
Screws on each end of the gib allow gib adjust-
ment to increase or decrease the friction between
the sliding surfaces.
Figure 82. Location of Z-axis gib adjustment
screw.
DISCONNECT MACHINE FROM POWER
BEFORE ADJUSTING THE GIBS!
Make sure all table locks are loose. For the X- and
Y-axis gibs, loosen one gib adjustment screw (see
Figure 81) and tighten the opposite screw the
same amount to move the gib, while at the same
time rotating the handwheel to move the table until
you feel a slight drag in that path of movement.
Note: Remove the way cover behind the table
to gain access to the rear Y-axis gib adjustment
screw.
X-Axis Gib Screw
(1 of 2)
Y-Axis Gib Screw
(1 of 2)
Figure 81. Locations of X- and Y-axis gib
adjustment screws.
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machine
SECTION 8: WIRING
These pages are current at the time of printing. However, in the spirit of improvement, we may make chang-
es to the electrical systems of future machines. Compare the manufacture date of your machine to the one
stated in this manual, and study this section carefully.
If there are differences between your machine and what is shown in this section, call Technical Support at
(570) 546-9663 for assistance BEFORE making any changes to the wiring on your machine. An updated
wiring diagram may be available. Note: Please gather the serial number and manufacture date of your
machine before calling. This information can be found on the main machine label.
Wiring Safety Instructions
SHOCK HAZARD. Working on wiring that is con- WIRE/COMPONENT DAMAGE. Damaged wires
nected to a power source is extremely dangerous. or components increase the risk of serious per-
Touching electrified parts will result in personal sonal injury, fire, or machine damage. If you notice
injury including but not limited to severe burns, that any wires or components are damaged while
electrocution, or death. Disconnect the power performing a wiring task, replace those wires or
from the machine before servicing electrical com- components.
ponents!
MOTOR WIRING. The motor wiring shown in
MODIFICATIONS. Modifying the wiring beyond these diagrams is current at the time of printing
what is shown in the diagram may lead to unpre- but may not match your machine. If you find this
dictable results, including serious injury or fire. to be the case, use the wiring diagram inside the
This includes the installation of unapproved after- motor junction box.
market parts.
CAPACITORS/INVERTERS. Some capacitors
WIRE CONNECTIONS. All connections must and power inverters store an electrical charge for
be tight to prevent wires from loosening during up to 10 minutes after being disconnected from
machine operation. Double-check all wires dis- the power source. To reduce the risk of being
connected or connected during any wiring task to shocked, wait at least this long before working on
ensure tight connections.
capacitors.
CIRCUIT REQUIREMENTS. You MUST follow EXPERIENCING DIFFICULTIES. If you are expe-
the requirements at the beginning of this manual
riencing difficulties understanding the information
when connecting your machine to a power source. included in this section, contact our Technical
Support at (570) 546-9663.
The photos and diagrams
included in this section are
best viewed in color. You
can view these pages in
-62-
Model G0757Z (Mfd. Since 02/15)
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Wiring Overview
COM
Rear Column
Limit Switch
NO
LongJing LXW511Q1
NC
RPM Sensor
Control Panel
Vertical Spindle Motor
Page 66
Page 67
Electrical Panel
Page 64
DRO
Page 68
Horizontal Spindle
Motor Page 67
X-Axis Power Feed
ASONG AS-235
Coolant Pump
Page 68
Hot
220
VAC
Hot
G
6-15 Plug
(As Recommended)
Ground
Component Location
RPM Sensor
Vertical Spindle
Motor
Work
Lamp
Control
Panel
DRO
Electrical
Panel
Rear Column Cover
Limit Switch
X-Axis
Power Feed
Horizontal
Spindle Motor
(Inside)
Coolant
Pump
READ ELECTRICAL SAFETY
ON PAGE 62!
-63-
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Electrical Panel Wiring Diagram
To RPM sensor
Page 63
PE
N3
PE
N2
L2
L3
3
L
N
2
3/L2
1/L1
5/L3
2
S
L2
R
L1
T
L3
21
22 13
14
Circuit
Breaker
DZ47-60
C2
PE
0
220 230 380 400
25
23
Variable Frequency Drive
DELTA VFD-E
ON
Transformer
JBK5-160VA
20
TC
OFF
ON
OFF
20-25A
NS2-25
Test
MO1
MCM
AFM
RB
QF2
CHINT OL Relay
RC
QF1
0
27
1
RA
2/T1
4/T2
6/T3
DCM
ACI
AVI 10V
ACM
24V
MI2 MI4 MI6
DCM
L2
L2
N2 N2
1
MI1 MI3 MI5
D
ACM
10V
DCM
M1
AVI
M2
V
W
U
T1 T2 T3
+
B1 B2
GND
GND
PE
U1
V1
L3
W1
PE
PE
N3
D
N3
D
D
D
D
D
D
N3
16
N3
N2
L2
L2
M2
M1
L3
L3
A1
1L1
A1
A1
A1
L3
A1
A1
L3
11
9
16
14
3L2
5L3
11
1L1
3L2
5L3
1L1
3L2
5L3
1L1
3L2
5L3
1L1
3L2
5L3
1L1
3L2
5L3
13NO
21NC
31NC
43NO 13NO
21NC
31NC
43NO 13NO
21NC
31NC
43NO 13NO
21NC
31NC
43NO 13NO
21NC
31NC
43NO 13NO
21NC
31NC
43NO
9
5
KM3 Contactor
Siemens 3TB41 24V
KM5 Contactor
Siemens 3TB41 24V
KA Contactor
Siemens 3TB41 24V
KM1 Contactor
Siemens 3TB41 24V
KM2 Contactor
Siemens 3TB41 24V
22E
KM4 Contactor
Siemens 3TB41 24V
14
22E
14NO
22E
44NO 14NO
V2
22E
22E
22E
8
13
22NC
4T2
32NC
6T3
44NO 14NO
22NC
4T2
32NC
6T3
22NC
4T2
32NC
6T3
44NO 14NO
22NC
4T2
32NC
6T3
44NO 14NO
2T1
22NC
4T2
32NC
6T3
44NO 14NO
2T1
22NC
4T2
32NC
6T3
44NO
2T1
2T1
2T1
2T1
12
17
15
V1
10
13
6
U2
A2
A2
A2
A2
A2
8
DCM
DCM
L3
N3
N1
L1
7
V1
V2 U2
A2
6
17
12
Master Power Switch
1
3
5
7
D
D
PE PE PE
PE
3
4
4
5
5
6
6
7
8
8
9
11 13 14 16 V2 U2 V1
11 13 14 16 V2 U2 V1
L1 N1
L1 Z1
L3 L3 N3 N3 N2
L2
N
N
L
L
N
F
R
L
N3 U1 N2 L2
PE PE PE PE
3
3
L3
D
7
9
2
4
6
8
N
L
To Power
Connection
Page 63
To Column
To Vertical
Spindle Motor
Page 67
To
To
DRO
Page 63
To
To Master
Control Panel
Page 66
Limit Switch
To
Horizontal
Spindle Motor
Work Lamp
Page 63
Coolant Pump
Page 68
Page 63
To X-Axis
Power Feed
Page 63
Page 67
READ ELECTRICAL SAFETY
ON PAGE 62!
-64-
Model G0757Z (Mfd. Since 02/15)
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Electrical Panel Wiring
Figure 83. Electrical panel wiring.
READ ELECTRICAL SAFETY
ON PAGE 62!
-65-
Model G0757Z (Mfd. Since 02/15)
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Control Panel Wiring
RPM READOUT DISPLAY
STOP (Vertical)
REVERSE (Vertical)
FORWARD (Vertical)
Minger
Minger
Minger
LA125H-BE101C
LA125H-BE101C
LA125H-BE102C
8
1
2
3
4
3
4
8
6
11
9
8
8
STOP (Horizontal)
REVERSE (Horizontal)
FORWARD (Horizontal)
Minger
LA125H-BE101C
Minger
LA125H-BE101C
Minger
LA125H-BE102C
6
To
13
13
1
13
2
3
4
3
4
Electrical Panel
Page 64
13
6
Variable-Speed Dial
(Viewed from Above)
14
16
(Potentiometer)
XINGHUO WXD3 4K7
6
4
5
Pump Switch
6
2 1
5
6
D
Minger
LA125J-11
D206A
7
Minger
LA125H-BE102C
EMERGENCY OFF
Switch
POWER Light
Master Control Panel
(Viewed from Behind)
Ground
To
Electrical Panel
Page 64
GND
+5V
RPM Readout Power Supply (Viewed from Above)
Figure 84. Control panel wiring.
READ ELECTRICAL SAFETY
ON PAGE 62!
-66-
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Vertical Spindle Motor Wiring
220V Motor Fan
220V Motor
W1
Ground
V2
W1
V2
U2
W1
V1
U2
Figure 85. Vertical spindle motor wiring.
V1
V1
PE
U1
U1
U1
W2
W2
To
Electrical Panel
Page 64
Horizontal Spindle Motor Wiring
220V Motor
Start
Capacitor
150 MFD
250 VAC
U2
V1
V2
Z2
U1
U2
W2
V2
V1
Z1 W1
U1
PE
Ground
Run
Capacitor
20 MFD
Figure 86. Horizontal spindle motor wiring.
450 VAC
To
Electrical Panel
Page 64
READ ELECTRICAL SAFETY
ON PAGE 62!
-67-
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Coolant Pump Wiring
Coolant Pump
CBB61
Run Capacitor
5MFD
450VAC
Gnd
PE
Figure 87. Coolant pump wiring.
To
Electrical Panel
Page 64
DRO Wiring
DRO
X
Y
Z
To
Electrical Panel
Page 64
(Viewed from Behind)
Figure 88. DRO wiring.
X-Axis Scale 650mm
Y-Axis Scale 300mm
Z-Axis Scale 500mm
READ ELECTRICAL SAFETY
ON PAGE 62!
-68-
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SECTION 9: PARTS
We do our best to stock replacement parts when possible, but we cannot guarantee that all parts shown
are available for purchase. Call (800) 523-4777 or visit www.grizzly.com/parts to check for availability.
Column
95
94-5
96
89
94-4
94-3
94-1
94-2
94
23
15
88
38
22
16
19
23
97
20
14
24
21
26
39
27
99
17
79
20
37
38
39
85
13
32
12
33
20
90
29
28
30 31
36
83
34
44
35
46
81
49
48
45
47
42
47
41
47
74
50
92
17
51
67
65
50
72
74
91
75
64
63
18
41
40
20
62
80
66
53
68
69
8
7
11
10
71
56
55
55
73
6
61
9
2
76
52
77
5
3
57
60
58
59
93
1
4
60
78
54
98
-69-
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Column Parts List
REF PART #
DESCRIPTION
REF PART #
DESCRIPTION
1
P0757Z001
P0757Z002
P0757Z003
P0757Z004
P0757Z005
P0757Z006
P0757Z007
P0757Z008
P0757Z009
P0757Z010
P0757Z011
P0757Z012
P0757Z013
P0757Z014
P0757Z015
P0757Z016
P0757Z017
P0757Z018
P0757Z019
P0757Z020
P0757Z021
P0757Z022
P0757Z023
P0757Z024
P0757Z026
P0757Z027
P0757Z028
P0757Z029
P0757Z030
P0757Z031
P0757Z032
P0757Z033
P0757Z034
P0757Z035
P0757Z036
P0757Z037
P0757Z038
P0757Z039
P0757Z040
P0757Z041
P0757Z042
P0757Z044
P0757Z045
P0757Z046
P0757Z047
P0757Z048
P0757Z049
P0757Z050
BASE
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
71
72
73
74
75
76
77
78
79
80
81
83
85
88
89
90
91
92
93
94
P0757Z051
P0757Z052
P0757Z053
P0757Z054
P0757Z055
P0757Z056
P0757Z057
P0757Z058
P0757Z059
P0757Z060
P0757Z061
P0757Z062
P0757Z063
P0757Z064
P0757Z065
P0757Z066
P0757Z067
P0757Z068
P0757Z069
P0757Z071
P0757Z072
P0757Z073
P0757Z074
P0757Z075
P0757Z076
P0757Z077
P0757Z078
P0757Z079
P0757Z080
P0757Z081
P0757Z083
P0757Z085
P0757Z088
P0757Z089
P0757Z090
P0757Z091
P0757Z092
P0757Z093
P0757Z094
KNEE
2
COLUMN
SPLASH PAN
3
Z-AXIS LEADSCREW HOUSING
LOCK WASHER 10MM
HEX BOLT M10-1.5 X 45
COOLANT DRAIN SCREEN
PHLP HD SCR M6-1 X 12
HEX BOLT M16-2 X 65
LOCK WASHER 16MM
Z-AXIS LEADSCREW COLLAR
CAP SCREW M8-1.25 X 25
TURRET BASE
CAP SCREW M6-1 X 12
Z-AXIS LEADSCREW
4
5
SPANNER NUT M16-1.5
BEVEL GEAR 25T
6
7
KEY 6 X 6 X 12
8
SPACER
9
BEARING SEAT
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
44
45
46
47
48
49
50
THRUST BEARING 51105
Z-AXIS LEADSCREW NUT 42 X 60MM
SET SCREW M8-1.25 X 20
BEVEL GEAR 25T
CAP SCREW M12-1.75 X 30
TURRET
SET SCREW M6-1 X 10
THRUST BEARING 51103
BEARING SEAT
GEAR SHAFT 15T
SHAFT COLLAR
ADJUSTABLE HANDLE M10-1.5 X 25
LOCK PLUNGER
KEY 5 X 5 X 20
Z-AXIS CRANK SHAFT
SHAFT BRACKET
RAM GIB
FLAT HD SCR M8-1.25 X 40
RAM
Z-AXIS GRADUATED DIAL
THUMB SCREW M6-1 X 10
CRANK BRACKET
RAM END COVER
PHLP HD SCR M6-1 X 10
RAM TOP COVER
SET SCREW M8-1.25 X 16
Z-AXIS CRANK
HEADSTOCK MOUNT
CAP SCREW M16-2 X 50
SET SCREW M8-1.25 X 20
THRUST BEARING 51101
WORM GEAR
CRANK HANDLE
HANDLE STEP SCREW M10-1.5 X 15
FLANGE BOLT M10-1.5 X 16
COLUMN REAR COVER
FLAT HD SCR M5-.8 X 12
HORIZONTAL ARBOR SUPPORT
BUSHING (BRASS)
THRUST BEARING 51102
KEY 4 X 4 X 20
WORM SHAFT
CLAMP BOLT M16-2 X 218
HALOGEN WORK LIGHT ASSEMBLY
HALOGEN BULB 24W BI-PIN
COOLANT NOZZLE ASSEMBLY
COOLANT HOSE 1/2" X 36"
COOLANT HOSE CLAMP 3/4"
LIMIT SWITCH CHINT XBLXW-W11Q1
X/Y/Z-AXIS DRO SET
T-BOLT M16-2 X 60
LOCK WASHER 16MM
HEX NUT M16-2
T-BOLT M16-2 X 50
FLAT WASHER 16MM
HEX NUT M16-2
COOLANT PUMP 40W 220V 1-PH
CAP SCREW M5-.8 X 12
COOLANT PUMP COVER
SLEEVE
94-1 P0757Z094-1 DRO DISPLAY ASSEMBLY
94-2 P0757Z094-2 X-AXIS DRO SCALE
94-3 P0757Z094-3 Y-AXIS DRO SCALE
94-4 P0757Z094-4 Z-AXIS DRO SCALE
94-5 P0757Z094-5 DRO POWER CORD 3W 18G
CAP SCREW M6-1 X 18
Z-AXIS GIB
BALL OILER 8MM PRESS-IN
LOWER WAY COVER
UPPER WAY COVER
CAP SCREW M6-1 X 25
95
96
97
98
99
P0757Z095
P0757Z096
P0757Z097
P0757Z098
P0757Z099
CONTROL PANEL BOX W/SWING ARM
BUTTON HD CAP SCR M4-.7 X 6
CAP SCREW M8-1.25 X 20
LIMIT SWITCH CORD 2W 18G
LAMP CORD 2W 18G
-70-
Model G0757Z (Mfd. Since 02/15)
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Table
120
154
146
147
155
111
166
164
163
103
169
167
165
104
168
107
162
163
164
165
162
161
153
109
115
101
160 159
167
102
105
116
168
169
118
113
108
110
166
106
156
122
171
116
112
111
126
113
117
123
158
114
108
109
124
105
104
103
157
137
138
136
151
135
127
139
103
149
150
107
106
121
102
101
126
125
141
142
137
134
128
170
143
139
144
145
126
131
138
129
130
132
102
101
113
133
113
112
111
110
103
105
104
-71-
Model G0757Z (Mfd. Since 02/15)
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Table Parts List
REF PART #
DESCRIPTION
REF PART #
DESCRIPTION
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
P0757Z101 HANDLE STEP SCREW M8-1.25 X 12
P0757Z102 HANDWHEEL HANDLE
P0757Z103 HEX NUT M12-1.75
P0757Z104 LOCK WASHER 12MM
P0757Z105 HANDWHEEL
136
137
138
139
141
142
143
144
145
146
147
149
150
151
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
P0757Z136 PHLP HD SCR M5-.8 X 10
P0757Z137 BALL OILER 8MM PRESS-IN
P0757Z138 LOCK PLUNGER
P0757Z139 ADJUSTABLE HANDLE M10-1.5 X 25
P0757Z141 FLAT WASHER 12MM
P0757Z142 T-BOLT M12-1.75 X 42
P0757Z143 SADDLE WAY WIPER
P0757Z144 WAY WIPER PLATE
P0757Z106 BUSHING
P0757Z107 SPRING PLATE
P0757Z108 CLUTCH
P0757Z109 KEY 5 X 5 X 20
P0757Z145 PHLP HD SCR M5-.8 X 12
P0757Z146 T-NUT M6-1
P0757Z110 GRADUATED DIAL (LH)
P0757Z111 CAP SCREW M6-1 X 16
P0757Z112 BUSHING
P0757Z147 SLEEVE
P0757Z149 TABLE PIVOT PIN
P0757Z113 THRUST BEARING 51103
P0757Z114 X-AXIS LEADSCREW BRACKET
P0757Z115 CAP SCREW M8-1.25 X 25
P0757Z116 DOWEL PIN 6 X 25
P0757Z117 X-AXIS LEADSCREW NUT
P0757Z118 X-AXIS LEADSCREW
P0757Z120 TABLE
P0757Z150 FLAT WASHER 6MM
P0757Z151 CAP SCREW M6-1 X 30
P0757Z153 COOLANT HOSE CONNECTOR 1/2" NPT
P0757Z154 COOLANT HOSE CLAMP 3/4"
P0757Z155 COOLANT HOSE 1/2" X 36"
P0757Z156 POWER FEED BEARING BRACKET
P0757Z157 POWER FEED BEVEL GEAR
P0757Z158 BEVEL GEAR NUT
P0757Z121 POWER FEED ASONG AS-235
P0757Z122 CAP SCREW M10-1.5 X 25
P0757Z123 X-AXIS GRADUATED DIAL (RH)
P0757Z124 ROTARY TABLE BASE
P0757Z125 X-AXIS GIB
P0757Z159 LONGITUDINAL LIMIT SWITCH ASSEMBLY
P0757Z160 FLAT WASHER 8MM
P0757Z161 CAP SCREW M8-1.25 X 20
P0757Z162 TRAVEL STOP SHAFT
P0757Z163 COMPRESSION SPRING
P0757Z164 TRAVEL STOP T-NUT
P0757Z165 TRAVEL STOP
P0757Z126 GIB SCREW M8-1.25
P0757Z127 SADDLE
P0757Z128 Y-AXIS GIB
P0757Z129 Y-AXIS LEADSCREW NUT
P0757Z130 CAP SCREW M5-.8 X 25
P0757Z131 Y-AXIS LEADSCREW
P0757Z132 KEY 5 X 5 X 30
P0757Z166 EXT RETAINING RING 7MM
P0757Z167 CAP SCREW M6-1 X 16
P0757Z168 FLAT WASHER 6MM
P0757Z169 FENDER WASHER 8MM
P0757Z170 LIMIT SWITCH CORD 3W 18G
P0757Z171 POWER FEED POWER CORD 3W 18G
P0757Z133 Y-AXIS LEADSCREW BRACKET
P0757Z134 ANGLE SCALE
P0757Z135 ANGLE INDICATOR PLATE
-72-
Model G0757Z (Mfd. Since 02/15)
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Horizontal Spindle
266
265
267
261
264
258
216
263
260
213
214
259
211
212
262
210
209
206
255
202
204
208
228
207
232
229
233
256
226
230
205
222
225
231
224
215
257
201
223
203
221
227
217
221
248
235
246
249
222
218
247
220
219
243
245
244
234
238
244
242
241
237
236
239
251
232
252
250
250-1 250-3
253
254
250-2 250-4 250-5
250-10
250-9
250-7 250-6
250-8
-73-
Model G0757Z (Mfd. Since 02/15)
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Horizontal Spindle Parts List
REF PART #
DESCRIPTION
REF PART #
DESCRIPTION
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
P0757Z201
P0757Z202
P0757Z203
P0757Z204
P0757Z205
P0757Z206
P0757Z207
P0757Z208
P0757Z209
P0757Z210
P0757Z211
P0757Z212
P0757Z213
P0757Z214
P0757Z215
P0757Z216
P0757Z217
P0757Z218
P0757Z219
P0757Z220
P0757Z221
P0757Z222
P0757Z223
P0757Z224
P0757Z225
P0757Z226
P0757Z227
P0757Z228
P0757Z229
P0757Z230
P0757Z231
P0757Z232
P0757Z233
P0757Z234
P0757Z235
P0757Z236
P0757Z237
P0757Z238
CAP SCREW M8-1.25 X 25
BALL OILER 8MM PRESS-IN
INBOARD END COVER
HORIZONTAL SPINDLE R-8
TAPERED ROLLER BEARING 32011 P5
HORIZONTAL QUILL
239
241
242
243
244
245
246
247
248
249
250
P0757Z239
P0757Z241
P0757Z242
P0757Z243
P0757Z244
P0757Z245
P0757Z246
P0757Z247
P0757Z248
P0757Z249
P0757Z250
TENSION ROD END BRACKET
THUMB WHEEL M8-1.25
LOWER IDLER PULLEY SHAFT
TENSION PIVOT ARM
BALL BEARING 6003ZZ
SPACER
TAPERED ROLLER BEARING 30308 P5
SPANNER LOCK WASHER 39MM
SPANNER NUT M39-1.5
SPACER 4 X 90MM
INT RETAINING RING 35MM
EXT RETAINING RING 17MM
LOWER IDLER PULLEY
V-BELT A31.5
OUTBOARD END COVER
CAP SCREW M8-1.25 X 25
HORIZONTAL SPINDLE PULLEY
EXT RETAINING RING 35MM
KEY 10 X 8 X 30
HORIZONTAL SPINDLE MOTOR 2HP 220V 1-PH
MOTOR FAN COVER
250-1 P0757Z250-1
250-2 P0757Z250-2
250-3 P0757Z250-3
250-4 P0757Z250-4
250-5 P0757Z250-5
250-6 P0757Z250-6
250-7 P0757Z250-7
250-8 P0757Z250-8
250-9 P0757Z250-9
MOTOR FAN
MOTOR JUNCTION BOX
R CAPACITOR 20M 450V 1-5/8 X 3-1/8
S CAPACITOR 150M 250V 1-5/8 X 3-1/8
CENTRIFUGAL SWITCH
CONTACT PLATE
V-BELT GATES A33
KEY 6 X 6 X 30
EXT RETAINING RING 20MM
TRANSFER PULLEY
BALL BEARING 6205ZZ (FRONT)
BALL BEARING 6205ZZ (REAR)
EXT RETAINING RING 28MM
INT RETAINING RING 47MM
BALL BEARING 6005ZZ
SPACER
250-10 P0757Z250-10 MOTOR CORD 5W 14G
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
P0757Z251
P0757Z252
P0757Z253
P0757Z254
P0757Z255
P0757Z256
P0757Z257
P0757Z258
P0757Z259
P0757Z260
P0757Z261
P0757Z262
P0757Z263
P0757Z264
P0757Z265
P0757Z266
P0757Z267
KEY 8 X 8 X 45
HORIZONTAL MOTOR PULLEY
LOCK WASHER 8MM
BEARING SEAT
SPANNER NUT M64-2
HEX BOLT M8-1.25 X 30
UPPER IDLER PULLEY SHAFT
KEY 8 X 8 X 40
HORIZONTAL ARBOR 1-1/4"
SET SCREW M5-.8 X 8 DOG-PT
SET SCREW M5-.8 X 6
UPPER IDLER PULLEY
EXT RETAINING RING 25MM
V-BELT GATES A34
HORIZONTAL ARBOR NUT 1-1/4 X 7TPI
ARBOR SPACER 1-1/4" X 1"
ARBOR SPACER 1-1/4" X 2"
ARBOR SPACER 1-1/4" X 3-1/8"
HORIZONTAL DRAWBAR 7/16-20 X 13-3/4
HORIZONTAL ARBOR 1"
SPANNER NUT LOCKDOWN BAR
CAP SCREW M6-1 X 25
CAP SCREW M8-1.25 X 60
HORIZONTAL MOTOR/PULLEY BRACKET
CAP SCREW M12-1.75 X 80
HEX NUT M16-2
HORIZONTAL ARBOR NUT 1-8
ARBOR SPACER 1" X 1"
FLAT WASHER 16MM
ARBOR SPACER 1" X 2"
TENSION ROD END M8-1.25 X 90
ARBOR SPACER 1" X 3-1/8"
-74-
Model G0757Z (Mfd. Since 02/15)
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Vertical Spindle
356
355
354
315
316
314
301
317
303
337
313
312
311
302
353
352
351
319
336
338
348
310
320
319
321
349
308
350
322
323
324
309
306
339
338
341
325
326
327
328
331
342
327
332
329
334
344
345
346
333
335
305
304
307
347
330
-75-
Model G0757Z (Mfd. Since 02/15)
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Vertical Spindle Parts List
REF PART #
DESCRIPTION
REF PART #
DESCRIPTION
301 P0757Z301 HEADSTOCK CASTING
302 P0757Z302 GEAR 50T
329 P0757Z329 COARSE DOWNFEED LEVER HUB
330 P0757Z330 COARSE DOWNFEED LEVER M12-1.75 X 15
331 P0757Z331 COMPRESSION SPRING
332 P0757Z332 LEVER HUB END CAP
303 P0757Z303 CAP SCREW M6-1 X 70
304 P0757Z304 SET SCREW M5-.8 X 6 DOG-PT
305 P0757Z305 SET SCREW M5-.8 X 6
306 P0757Z306 VERTICAL SPINDLE R-8
307 P0757Z307 TAPERED ROLLER BEARING 32010 P5
308 P0757Z308 VERTICAL SPINDLE LOWER OIL CUP
309 P0757Z309 QUILL
333 P0757Z333 CAP SCREW M6-1 X 12
334 P0757Z334 DOWNFEED SELECTION SHAFT
335 P0757Z335 SHAFT HANDLE M8-1.25 X 10
336 P0757Z336 BEARING CAP
337 P0757Z337 CAP SCREW M6-1 X 12
338 P0757Z338 BALL BEARING 6002ZZ
339 P0757Z339 FINE DOWNFEED WORM SHAFT
341 P0757Z341 WORM SHAFT BRACKET
342 P0757Z342 CAP SCREW M6-1 X 20
344 P0757Z344 FINE DOWNFEED GRADUATED DIAL
345 P0757Z345 SET SCREW M6-1 X 12
310 P0757Z310 RUBBER GASKET 90MM
311 P0757Z311 BALL BEARING 6009ZZ P5
312 P0757Z312 SPANNER NUT TOOTHED WASHER 40MM
313 P0757Z313 SPANNER NUT M40-1.5
314 P0757Z314 CAP SCREW M4-.7 X 8
315 P0757Z315 SPRING CAP
316 P0757Z316 RETURN COIL SPRING
317 P0757Z317 SPRING BASE
346 P0757Z346 FINE DOWNFEED HANDWHEEL
347 P0757Z347 HANDWHEEL HANDLE M8-1.25 X 10
348 P0757Z348 INNER QUILL LOCK SLEEVE
349 P0757Z349 OUTER QUILL LOCK SLEEVE
350 P0757Z350 ADJUSTABLE HANDLE M10-1.5 X 90
351 P0757Z351 SET SCREW M10-1.5 X 10
352 P0757Z352 COVER PLATE
319 P0757Z319 SET SCREW M8-1.25 X 16
320 P0757Z320 DOWNFEED GEAR HOUSING
321 P0757Z321 CAP SCREW M8-1.25 X 25
322 P0757Z322 DOWEL PIN 6 X 25
323 P0757Z323 COARSE DOWNFEED GEAR SHAFT 16T
324 P0757Z324 KEY 8 X 8 X 38
353 P0757Z353 CAP SCREW M5-.8 X 10
354 P0757Z354 GEARBOX MOUNTING PLATE
355 P0757Z355 CAP SCREW M10-1.5 X 30
356 P0757Z356 DOWEL PIN 8 X 25
325 P0757Z325 WORM GEAR
326 P0757Z326 EXT RETAINING RING 30MM
327 P0757Z327 THUMB SCREW M6-1 X 16
328 P0757Z328 COARSE DOWNFEED GRADUATED DIAL
-76-
Model G0757Z (Mfd. Since 02/15)
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Vertical Gearbox
453-2
453-3
453-1
453-4
453-5
453
453-8
453-7
453-6
459
458
454
460
455
413
423
459
456
423
457
414
412
452
451
416
450
415
411
410
417
417
418
419
404
409
417
424
425
430
431
420
432
408
420
420
426
427
411
407
421
420
428
420
417
429
417
417
406
433
437
411
404
434
403
403
402
449
435
436
438
439
440
401
422
422
441
422
445
442
443
444
447
446
448
-77-
Model G0757Z (Mfd. Since 02/15)
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Vertical Gearbox Parts List
REF PART #
DESCRIPTION
REF PART #
DESCRIPTION
401
402
403
404
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
P0757Z401
P0757Z402
P0757Z403
P0757Z404
P0757Z405
P0757Z407
P0757Z408
P0757Z409
P0757Z410
P0757Z411
P0757Z412
P0757Z413
P0757Z414
P0757Z415
P0757Z416
P0757Z417
P0757Z418
P0757Z419
P0757Z420
P0757Z421
P0757Z422
P0757Z423
P0757Z424
P0757Z425
P0757Z426
P0757Z427
P0757Z428
P0757Z429
P0757Z430
P0757Z431
P0757Z432
P0757Z433
P0757Z434
GEARBOX CASTING
COLLAR
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
P0757Z435
P0757Z436
P0757Z437
P0757Z438
P0757Z439
P0757Z440
P0757Z441
P0757Z442
P0757Z443
P0757Z444
P0757Z445
P0757Z446
P0757Z447
P0757Z448
P0757Z449
P0757Z450
P0757Z451
P0757Z452
P0757Z453
ROCKER ARM
EXT RETAINING RING 10MM
DOWEL PIN 5 X 30MM
SMALL SPINDLE
OIL SEAL FB 45 X 62 X 8MM
BALL BEARING 6009-OPEN
GEAR 38T
O-RING 12 X 2 P12
SPACER
O-RING 20 X 2 P20
KEY 8 X 8 X 50
HIGH/LOW GEAR PLATE
FLAT HD SCR M5-.8 X 12
DOWEL PIN 5 X 50MM
HIGH/LOW GEAR HUB
HIGH/LOW GEAR HANDLE M8-1.25 X 10
STEEL BALL 6MM
SPINDLE SHAFT
RPM SENSOR ROTOR
EXT RETAINING RING 45MM
ROTOR GUARD
CAP SCREW M5-.8 X 16
HEX BOLT M16-2 X 10
GEARBOX COVER
DRIVE SHAFT END CAP
BALL BEARING 6204ZZ
REAR DRIVE SHAFT
GEAR 44T
COMPRESSION SPRING
SET SCREW M8-1.25 X 12
SIGHTGLASS M27-1.5 X 12
CAP SCREW M10-1.5 X 25
KEY 8 X 8 X 40
GEAR 20T
EXT RETAINING RING 25MM
GEAR 36T
VERTICAL MOTOR 3HP 220V 3-PH
453-1 P0757Z453-1 FAN JUNCTION BOX
453-2 P0757Z453-2 MOTOR JUNCTION BOX
453-3 P0757Z453-3 FAN COVER
DRIVE SHAFT END CAP
REAR SHAFT END CAP
CENTER DRIVE SHAFT
GEAR 33T
453-4 P0757Z453-4 INDEPENDENT MOTOR FAN
453-5 P0757Z453-5 FRONT MOTOR BEARING
453-6 P0757Z453-6 REAR MOTOR BEARING
453-7 P0757Z453-7 MOTOR CORD 5W 14G
453-8 P0757Z453-8 FAN CORD 2W 18G
SPACER
GEAR 28T
GEAR 48T
SPACER
454
455
456
457
458
459
460
P0757Z454
P0757Z455
P0757Z456
P0757Z457
P0757Z458
P0757Z459
P0757Z460
HEX BOLT M12-1.75 X 40
FLAT WASHER 12MM
SPEED SENSOR BRACKET
SPEED SENSOR
FRONT DRIVE SHAFT
GEAR 24T
GEAR 42T/22T
HEX BOLT M10-1.5 X 12
LIFT FORK
SPEED SENSOR COVER
CAP SCREW M4-.7 X 16
LOCK WASHER 12MM
-78-
Model G0757Z (Mfd. Since 02/15)
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Electrical Components
501
524
502
525
523
509
523
523
523
503
3/L2
22 13
1/L1
5/L3
21
14
523
518
S
L2
R
L1
T
L3
DZ47-60
C2
PE
0
220 230 380 400
25
23
MOTOR MICRO DRIVER
DELTA VFD-E
ON
20
507
Transformer
JBK5-150VA
OFF
508
TC
ON
OFF
20-25A
NS2-25
506
MO1
MCM
AFM
RB
Test
RA
RC
QF1 QF2
0
24
CHINT
DCM
ACI
ACM
24V AVI 10V
MI2 MI4 MI6
DCM
MI1 MI3 MI5
2/T1
4/T2
6/T3
ACM
AVI
10V
DCM
V
W
U
+
T1 T2 T3
B1 B2
517
GND
GND
516
514
504
513
515
512
523
505
520
520
520
520
520
520
523
519
A1
A1
1L1
A1
1L1
A1
1L1
A1
A1
1L1
3L2
5L3
3L2
5L3
3L2
5L3
3L2
5L3
1L1
3L2
5L3
1L1
3L2
5L3
13NO
21NC
31NC
43NO 13NO
21NC
31NC
43NO 13NO
21NC
31NC
43NO 13NO
21NC
31NC
43NO 13NO
21NC
31NC
43NO 13NO
21NC
31NC
43NO
KM3 Contactor
Siemens 3TB41 24V
KM5 Contactor
Siemens 3TB41 24V
KA Contactor
Siemens 3TB41 24V
KM1 Contactor
Siemens 3TB41 24V
KM2 Contactor
Siemens 3TB41 24V
22E
KM4 Contactor
Siemens 3TB41 24V
22E
22E
14NO
22E
22E
22E
22NC
4T2
32NC
6T3
44NO 14NO
2T1
22NC
4T2
32NC
6T3
44NO 14NO
2T1
22NC
4T2
32NC
6T3
44NO 14NO
22NC
4T2
32NC
6T3
44NO 14NO
2T1
22NC
4T2
32NC
6T3
44NO 14NO
2T1
22NC
4T2
32NC
6T3
44NO
2T1
2T1
A2
A2
A2
A2
A2
A2
512
523
523
1
3
5
7
506
507
522
521
525
509
523
508
504
505
504
505
510
511
511
511
526
536
-79-
Model G0757Z (Mfd. Since 02/15)
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Electrical Components Cont.
527
530
Minger
LA125H-BE101C
Minger
LA125H-BE101C
Minger
LA125H-BE102C
1
2
3
4
3
4
531
531
531
530
533
532
Minger
LA125H-BE101C
Minger
LA125H-BE101C
Minger
LA125H-BE102C
1
2
3
4
3
4
531
534
2 1
529
Minger
LA125J-11
D206A
Minger
LA125H-BE102C
535
528
GND
+5V
Electrical Components Parts List
REF PART #
DESCRIPTION
REF PART #
DESCRIPTION
501 P0757Z501 ELECTRICAL BOX W/DOOR
502 P0757Z502 STRAIN RELIEF PG8 TYPE-5
503 P0757Z503 CONDUIT 10MM
519 P0757Z519 DIN RAIL 10"
520 P0757Z520 CONTACTOR SIEMENS 3TB41 24V
521 P0757Z521 ROTARY SWITCH CANSEN LW26-25
522 P0757Z522 TERMINAL BAR 32P
504 P0757Z504 STRAIN RELIEF PG10 TYPE-5
505 P0757Z505 CONDUIT 12MM
523 P0757Z523 PHLP HD SCR M4-.7 X 6
506 P0757Z506 VENT COVER
524 P0757Z524 MOUNTING PLATE
507 P0757Z507 VENT FOAM FILTER
525 P0757Z525 WIRE LOOM 10"
508 P0757Z508 VENT BODY
526 P0757Z526 ELECTRICAL BOX LOCK W/KEY
527 P0757Z527 CONTROL PANEL FACEPLATE
528 P0757Z528 RPM READOUT POWER SUPPLY
529 P0757Z529 POTENTIOMETER XINGHUO WXD3 B4K
530 P0757Z530 BUTTON SWITCH MINGER LA125HBE102C RED
531 P0757Z531 BUTTON SWITCH MINGER LA125HBE101C GREEN
532 P0757Z532 RPM READOUT DISPLAY
509 P0757Z509 FLAT HD SCR M4-.7 X 6
510 P0757Z510 STRAIN RELIEF PG10 TYPE-3
511 P0757Z511 STRAIN RELIEF PG12 TYPE-3
512 P0757Z512 WIRE LOOM 12"
513 P0757Z513 WIRE LOOM 18"
514 P0757Z514 TRANSFORMER JBK5-150V
515 P0757Z515 VARIABLE FREQUENCY DRIVE DELTA VFD-E
516 P0757Z516 OL RELAY CHINT NS2-25 20-25A
517 P0757Z517 CIRCUIT BREAKER CHINT DZ4760 C2 2P
518 P0757Z518 DIN RAIL 3"
533 P0757Z533 PUMP SWITCH MINGER LA125HBE101C
534 P0757Z534 E-STOP BUTTON LA125HBE102C
535 P0757Z535 POWER BUTTON MINGER LA125J11D206A
536 P0757Z536 POWER CORD 4W 14G 6 78"
-80-
Model G0757Z (Mfd. Since 02/15)
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Accessories
602
601
606
608
605
607
604
609
610
611
603
617
614
616
612
613
615
618
REF PART #
DESCRIPTION
REF PART #
DESCRIPTION
601
602
603
604
605
606
607
608
609
P0757Z601
P0757Z602
P0757Z603
P0757Z604
P0757Z605
P0757Z606
P0757Z607
P0757Z608
P0757Z609
BOTTLE FOR OIL
TOOLBOX
610
611
612
613
614
615
616
617
618
P0757Z610
HEX WRENCH 6MM
HEX WRENCH 5MM
HEX WRENCH 4MM
HEX WRENCH 3MM
T-BOLT M14-2 X 60
FLAT WASHER 14MM
HEX NUT M14-2
P0757Z611
P0757Z612
P0757Z613
P0757Z614
P0757Z615
P0757Z616
P0757Z617
P0757Z618
SPINDLE SLEEVE MT#3 X MT#2
DRILL CHUCK ARBOR R8 X B16
END MILL ARBOR R8 X 1"
SPINDLE SLEEVE R8 X MT#3
WRENCH 17 X 19MM OPEN-ENDS
WRENCH 22 X 24MM OPEN-ENDS
HEX WRENCH 8MM
DRILL CHUCK B16 W/CHUCK KEY
DRIFT KEY
-81-
Model G0757Z (Mfd. Since 02/15)
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Labels & Cosmetics
705
MODEL G0757Z
V.S. HORIZONTAL/
VERTICAL MILL
704
Specifications
Power Requirement: 220V, 1-Ph, 15A, 70 Hz
Vertical Spindle Motor:
Date
3
HP, 220V, 3-Ph, 9.3A
706
Horiz. Spindle Motor:
Table Travel: Cross 8-1/2", Long. 23-1/2"
Knee Travel: 12-1/2"
Vertical Spindle to Column Distance: 27-3/4"
Max. Dist. Vertical Spindle to Table: 14-1/2"
Horizontal Spindle to Table Distance: 14-1/8"
Vertical Spindle Travel: 5"
2
HP, 220V, 1-Ph, 8.7A
S/N
Manufactured for Grizzly in China
Headstock Tilt: 90° Left/Right
Headstock Rotation Around Column: 180°
Spindle Tapers: R-8
Weight: 1874 lbs.
WARNING!
G0757Z
To reduce the risk of serious personal injury when using this machine:
1. Read and understand owner’s manual before operating.
703
2. Always wear approved safety glasses AND
3. Only plug power cord into grounded outlet.
4. Disconnect power before setting up, adjusting, or servicing.
a
face shield.
a
5. Avoid getting entangled in moving parts—tie back long hair, roll up long
sleeves, and DO NOT wear loose clothing, gloves, or jewelry.
7. Properly set up machine before starting.
7. Always remove adjustment tools before starting.
8. Keep all guards and covers in place during operation.
9. Never use hands to secure workpiece to table during operation—use
INJURY/SHOCK
HAZARD!
Disconnect power
before adjustments,
maintenance, or
service.
clamps or
a
vise.
10. Avoid positioning hands where they could slip into rotating bits or
tooling if workpiece unexpectedly shifts or you get distracted.
brush or vacuum to remove metal chips; DO NOT use your
hands, rags, or compressed air.
12. Never attempt to slow or stop spindle with hands or tools.
13. Always use proper feeds and speeds for operation and workpiece.
14. Never leave machine running unattended.
15. DO NOT operate when tired or under influence of drugs or alcohol.
17. DO NOT expose to rain or use in wet locations.
11. Always use
a
17. Prevent unauthorized use by children or untrained users; restrict access
or disable machine when unattended.
READ and UNDERSTAND
instruction manual to
EYE/FACE INJURY
HAZARD!
Always wear
ANSI-approved safety
glasses and face
shield when using this
machine.
avoid serious injury. If
a
manual is not available,
DO NOT use machine. Go
(800) 523-4777.
ENTANGLEMENT
HAZARD!
INJURY/SHOCK
HAZARD!
Disconnect power
before adjustments,
maintenance, or
service.
Tie back long hair, roll up
long sleeves, and remove
loose clothing, jewelry, or
gloves to prevent getting
caught in moving parts.
703
INJURY/SHOCK
HAZARD!
Disconnect power
before adjustments,
maintenance, or
service.
702
WARNING!
BIOLOGICAL AND
POISON HAZARD!
Use personal protection
when handling coolant.
Immediately clean up
spills.
707
701
709
701
708
grizzly.com
REF PART #
DESCRIPTION
REF PART #
DESCRIPTION
701
702
703
704
705
P0757Z701 ELECTRICITY LABEL
706
707
708
709
P0757Z706 MODEL NUMBER LABEL
P0757Z702 BIOHAZARD WARNING LABEL
P0757Z703 DISCONNECT WARNING LABEL
P0757Z704 GRIZZLY OBLONG NAMEPLATE-SMALL
P0757Z705 MACHINE ID LABEL
P0757Z707 GRIZZLY GREEN TOUCH-UP PAINT
P0757Z708 GRIZZLY PUTTY TOUCH-UP PAINT
P0757Z709 GRIZZLY.COM LABEL
Safety labels help reduce the risk of serious injury caused by machine hazards. If any label comes
off or becomes unreadable, the owner of this machine MUST replace it in the original location
-82-
Model G0757Z (Mfd. Since 02/15)
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WARRANTY CARD
Name_____________________________________________________________________________
Street_____________________________________________________________________________
City _______________________ State_________________________ Zip _____________________
Phone #____________________ Email _________________________________________________
Model # ____________________ Order #_______________________ Serial #__________________
The following information is given on a voluntary basis. It will be used for marketing purposes to help us develop
better products and services. Of course, all information is strictly confidential.
1. How did you learn about us?
____ Advertisement
____ Card Deck
____ Friend
____ Website
____ Catalog
____ Other:
2. Which of the following magazines do you subscribe to?
____ Cabinetmaker & FDM
____ Family Handyman
____ Hand Loader
____ Popular Science
____ Popular Woodworking
____ Precision Shooter
____ Projects in Metal
____ RC Modeler
____ Rifle
____ Shop Notes
____ Wooden Boat
____ Woodshop News
____ Woodsmith
____ Handy
____ Woodwork
____ Home Shop Machinist
____ Journal of Light Cont.
____ Live Steam
____ Woodworker West
____ Woodworker’s Journal
____ Other:
____ Model Airplane News
____ Old House Journal
____ Popular Mechanics
____ Shotgun News
____ Today’s Homeowner
____ Wood
3. What is your annual household income?
____ $20,000-$29,000
____ $30,000-$39,000
____ $40,000-$49,000
____ $70,000+
____ $50,000-$59,000
____ $60,000-$69,000
4. What is your age group?
____ 20-29
____ 30-39
____ 60-69
____ 40-49
____ 70+
____ 50-59
5. How long have you been a woodworker/metalworker?
____ 0-2 Years ____ 2-8 Years
____ 8-20 Years
____20+ Years
____10+
6. How many of your machines or tools are Grizzly?
____ 0-2 ____ 3-5
____ 6-9
7. Do you think your machine represents a good value?
8. Would you recommend Grizzly Industrial to a friend?
_____Yes
_____Yes
_____No
_____No
9. Would you allow us to use your name as a reference for Grizzly customers in your area?
Note: We never use names more than 3 times. _____Yes _____No
10. Comments:_____________________________________________________________________
_________________________________________________________________________________
_________________________________________________________________________________
_________________________________________________________________________________
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FOLD ALONG DOTTED LINE
Place
Stamp
Here
GRIZZLY INDUSTRIAL, INC.
P.O. BOX 2069
BELLINGHAM, WA 98227-2069
FOLD ALONG DOTTED LINE
Send a Grizzly Catalog to a friend:
Name_______________________________
Street_______________________________
City______________State______Zip______
TAPE ALONG EDGES--PLEASE DO NOT STAPLE
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WARRANTY & RETURNS
Grizzly Industrial, Inc. warrants every product it sells for a period of 1 year to the original purchaser from
the date of purchase. This warranty does not apply to defects due directly or indirectly to misuse, abuse,
negligence, accidents, repairs or alterations or lack of maintenance. This is Grizzly’s sole written warranty
and any and all warranties that may be implied by law, including any merchantability or fitness, for any par-
ticular purpose, are hereby limited to the duration of this written warranty. We do not warrant or represent
that the merchandise complies with the provisions of any law or acts unless the manufacturer so warrants.
In no event shall Grizzly’s liability under this warranty exceed the purchase price paid for the product and
any legal actions brought against Grizzly shall be tried in the State of Washington, County of Whatcom.
We shall in no event be liable for death, injuries to persons or property or for incidental, contingent, special,
or consequential damages arising from the use of our products.
To take advantage of this warranty, contact us by mail or phone and give us all the details. We will then issue
you a “Return Number,’’ which must be clearly posted on the outside as well as the inside of the carton. We
will not accept any item back without this number. Proof of purchase must accompany the merchandise.
The manufacturers reserve the right to change specifications at any time because they constantly strive to
achieve better quality equipment. We make every effort to ensure that our products meet high quality and
durability standards and we hope you never need to use this warranty.
Please feel free to write or call us if you have any questions about the machine or the manual.
Thank you again for your business and continued support. We hope to serve you again soon.
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