MODEL G0755
HEAVY-DUTY MILL/DRILL
w/STAND & POWER FEED
OWNER'S MANUAL
(For models manufactured since 1/13)
Copyright © ApriL, 2013 By grizzLy industriAL, inC., rEVisEd JAnuAry, 2014 (ts)
WARNING: NO PORTION OF THIS MANUAL MAY bE REPRODUcED IN ANY SHAPE
OR FORM WITHOUT THE WRITTEN APPROVAL OF GRIzzLY INDUSTRIAL, INc.
#ts15627 printEd in ChinA
V1.01.14
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Table of contents
graduated dials................................................22
INTRODUcTION............................................... 2
Machine description ...................................... 2
Contact info.................................................... 2
Manual Accuracy ........................................... 2
identification................................................... 3
Machine data sheet ...................................... 4
X- & y-Axis handwheels...................................23
X-Axis power Feed...........................................23
installing/removing tooling......................... 24
installing tool holder ........................................24
removing tool holder ......................................25
spindle speed.............................................. 25
determining spindle speed ..............................25
setting spindle speed ......................................26
SEcTION 1: SAFETY....................................... 6
safety instructions for Machinery .................. 6
Additional safety for Mill/drills ....................... 8
SEcTION 5: AccESSORIES......................... 27
SEcTION 2: POWER SUPPLY........................ 9
Availability...........................................................9
Full-Load Current rating ....................................9
Circuit requirements for 220V............................9
grounding instructions......................................10
Extension Cords................................................10
SEcTION 6: MAINTENANcE......................... 30
schedule...................................................... 30
Cleaning and protecting .............................. 30
Lubrication ................................................... 30
headstock reservoir.........................................31
Ball oilers..........................................................32
table/Column Ways & Quill..............................32
table Leadscrews.............................................33
Quill rack & pinion...........................................33
z-Axis Leadscrew .............................................34
SEcTION 3: SETUP ....................................... 11
unpacking.................................................... 11
needed for setup......................................... 11
inventory ...................................................... 11
Cleanup........................................................ 12
site Considerations...................................... 13
Lifting & placing........................................... 14
Anchoring to Floor ....................................... 15
Anchoring to Concrete Floors...........................15
Assembly ..................................................... 15
Joining drill Chuck & Arbor.......................... 16
Lubricating Mill/drill...................................... 16
test run ...................................................... 17
spindle Break-in .......................................... 18
inspections & Adjustments .......................... 18
SEcTION 7: SERVIcE ................................... 35
troubleshooting ........................................... 35
Adjusting gibs.............................................. 37
Adjusting Leadscrew Backlash.................... 37
tramming spindle........................................ 38
replacing power Feed Carbon Brushes ..... 39
tightening return spring tension............... 40
SEcTION 8: WIRING...................................... 41
Wiring safety instructions............................ 41
Electrical Box Wiring.................................... 42
Motors & other Electrical Wiring ................. 43
SEcTION 4: OPERATIONS ........................... 19
operation overview..................................... 19
Control panel............................................... 20
downfeed Controls ...................................... 20
identification......................................................20
using Coarse downfeed...................................20
using Fine downfeed .......................................20
depth stop................................................... 21
headstock Movement .................................. 21
raising/Lowering headstock ............................21
tilting headstock ..............................................22
table travel................................................. 22
SEcTION 9: PARTS....................................... 46
head ............................................................ 46
table & Column........................................... 49
Electrical Components................................. 51
power Feed.................................................. 52
Accessories.................................................. 53
Machine Labels & Cosmetics ...................... 54
WARRANTY & RETURNS ............................. 57
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INTRODUcTION
Machine Description
Manual Accuracy
the Model g0755 is a free-standing mill/drill that
strikes a great balance between being heavy-duty
and high-precision.
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
contained inside. sometimes we make mistakes,
but our policy of continuous improvement also
means that sometimes the machine you receive
will be slightly different than what is shown in
the manual.
the spindle is equipped with precision p5 spindle
bearings and is driven by an oil-bath-lubricated
and gear-driven headstock. the spindle is fully
reversible and features both coarse and fine
downfeed controls. the six spindle speeds range
from 90–1970 rpM and are controlled by conve-
nient gear-change levers.
if you find this to be the case, and the difference
between the manual and machine leaves you
confused about a procedure, check our website
for an updated version. We post current manuals
and manual updates for free on our website at
the headstock tilts 90° left/right and moves in the
z-axis along precision dovetailed ways—with both
manual and powered elevation control. the table
also features both manual and powered X-axis
control, but with a manually-controlled y-axis. All
table movement is along scraped dovetail ways.
Alternatively, you can call our technical support
for help. Before calling, please write down the
Manufacture Date and Serial Number stamped
into the machine id label (see below). this infor-
mation helps us determine if updated documenta-
tion is available for your machine.
contact Info
We stand behind our machines. If you have
any questions or need help, use the information
below to contact us. Before contacting, please get
the serial number and manufacture date of your
machine. This will help us help you faster.
Grizzly Technical Support
1203 Lycoming Mall Circle
Muncy, PA 17756
Manufacture date
serial number
Phone: (570) 546-9663
Email: [email protected]
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]
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Identification
spindle
Motor
z-Axis
Motor
spindle speed
Levers
Control
panel
Coarse downfeed
Levers
Fine downfeed
handwheel
z-Axis
Crank
Quill &
spindle
X-Axis
handwheel
X-Axis
power Feed
Work
table
stand
w/splash pan
y-Axis
handwheel
Mounting
Location
To reduce your risk of
serious injury, read this
entire manual bEFORE
using machine.
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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 G0755 HEAVY-DUTY MILL/DRILL WITH STAND AND
POWER FEED
Product Dimensions:
Weight.............................................................................................................................................................. 992 lbs.
Width (side-to-side) x Depth (front-to-back) x Height........................................................ 49-1/2 x 34-1/2 x 75-1/4 in.
Footprint (Length x Width)............................................................................................................................ 29 x 21 in.
Space Required for Full Range of Movement (Width x Depth).................................................................... 68 x 34 in.
Shipping Dimensions:
Type.......................................................................................................................................................... Wood Crate
Content........................................................................................................................................................... Machine
Weight............................................................................................................................................................ 1102 lbs.
Length x Width x Height........................................................................................................... 49 x 36-3/4 x 80-3/4 in.
Must Ship Upright................................................................................................................................................... Yes
Electrical:
Power Requirement........................................................................................................... 220V, Single-Phase, 60 Hz
Prewired Voltage.................................................................................................................................................. 220V
Full-Load Current Rating....................................................................................................................................... 8.6A
Minimum Circuit Size.............................................................................................................................................. 15A
Connection Type....................................................................................................................................... Cord & Plug
Power Cord Included.............................................................................................................................................. Yes
Power Cord Length................................................................................................................................................. 6 ft.
Power Cord Gauge......................................................................................................................................... 14 AWG
Plug Included........................................................................................................................................................... No
Recommended Plug Type..................................................................................................................................... 6-15
Switch Type.................................................................................................... Magnetic Switch w/Overload Protection
Motors:
Main
Type................................................................................................................. TEFC Capacitor-Start Induction
Horsepower................................................................................................................................................ 2 HP
Phase............................................................................................................................................ Single-Phase
Amps........................................................................................................................................................... 8.6A
Speed................................................................................................................................................ 1725 RPM
Power Transfer ................................................................................................................................. Gear Drive
Bearings..................................................................................................... Shielded & Permanently Lubricated
Elevation
Type................................................................................................................. TEFC Capacitor-Start Induction
Horsepower............................................................................................................................................. 1/8 HP
Phase............................................................................................................................................ Single-Phase
Amps......................................................................................................................................................... 0.75A
Speed................................................................................................................................................ 1725 RPM
Power Transfer ................................................................................................................................. Gear Drive
Bearings..................................................................................................... Shielded & Permanently Lubricated
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Main Specifications:
Operation Info
Spindle Travel.............................................................................................................................................. 5 in.
Max Distance Spindle to Column............................................................................................................... 10 in.
Max Distance Spindle to Table.................................................................................................................. 18 in.
Longitudinal Table Travel (X-Axis)............................................................................................................. 17 in.
Cross Table Travel (Y-Axis).................................................................................................................. 7-7/8 in.
Vertical Head Travel (Z-Axis).............................................................................................................. 13-3/4 in.
Head Tilt (Left/Right)....................................................................................................................... 90 / 45 deg.
Drilling Capacity for Cast Iron................................................................................................................ 1-3/4 in.
Drilling Capacity for Steel...................................................................................................................... 1-1/4 in.
End Milling Capacity.............................................................................................................................. 1-1/4 in.
Face Milling Capacity............................................................................................................................ 3-1/8 in.
Table Info
Table Length........................................................................................................................................ 31-1/2 in.
Table Width........................................................................................................................................... 9-1/2 in.
Table Thickness.................................................................................................................................... 1-5/8 in.
Number of T-Slots............................................................................................................................................ 3
T-Slot Size................................................................................................................................................ 1/2 in.
T-Slots Centers...................................................................................................................................... 3-1/8 in.
Spindle Info
Spindle Taper............................................................................................................................................... R-8
Number of Vertical Spindle Speeds.................................................................................................................. 6
Range of Vertical Spindle Speeds............................................................................................. 90 – 1970 RPM
Quill Diameter.............................................................................................................................................. 3 in.
Drawbar Thread Size............................................................................................................................. 7/16-20
Drawbar Length................................................................................................................................... 17-3/4 in.
Spindle Bearings.................................................................................................... P5 Tapered Roller Bearings
Construction
Spindle Housing/Quill........................................................................................................................... Cast Iron
Table....................................................................................................................... Precision-Ground Cast Iron
Head.................................................................................................................................................... Cast Iron
Column/Base....................................................................................................................................... Cast Iron
Base..................................................................................................................................................... Cast Iron
Stand.................................................................................................................................................... Cast Iron
Paint....................................................................................................................................................... Enamel
Other Specifications:
Country Of Origin ............................................................................................................................................... China
Warranty ........................................................................................................................................................... 1 Year
Approximate Assembly & Setup Time .............................................................................................................. 1 Hour
Serial Number Location ........................................................................................................... ID Label on Headstock
ISO 9001 Factory .................................................................................................................................................. Yes
CSA Certified .......................................................................................................................................................... No
Features:
Motorized Head Elevation
Spindle Speeds Controlled w/Gearhead Levers
Longitudinal Variable-Speed Power Feed
Fine Downfeed Control
Adjustable Spindle Depth Stop
Reversible Spindle Rotation for Tapping Operations
High-Precision P5 (ABEC-5 Equivalent) Spindle Bearings
Dovetail Column
Scraped Dovetail Ways
Made in ISO 9001 Factory
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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, changing tooling, or servicing machine.
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 avoid
accidental slips, which could cause loss of work-
piece control.
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 while using
machinery may cause cancer, birth defects, or
long-term respiratory damage. Be aware of dust
hazards associated with each workpiece material,
and 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!
cHEcK DAMAGED PARTS. regularly inspect
machine for any condition that may affect safe
operation. immediately repair or replace damaged
or mis-adjusted parts before operating machine.
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.
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.
GUARDS & cOVERS. guards and covers reduce
accidental contact with moving parts or flying
debris. Make sure they are properly installed,
undamaged, and working correctly.
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Additional Safety for Mill/Drills
UNDERSTANDING cONTROLS. Make sure you WORK HOLDING. A workpiece that moves unex-
understand the use and operation of all controls pectedly during operation can be ejected from
before starting the mill/drill.
the machine, causing personal injury or property
damage. Before starting the machine, be certain
SAFETY AccESSORIES. to reduce the risk of the workpiece is properly clamped to the table.
injury from flying chips, always use a face shield in nEVEr hold the workpiece by hand during opera-
addition to safety glasses when using the mill/drill. tion.
cLEAN-UP. Metal chips can cut your hands. do MAcHINE cARE AND MAINTENANcE. never
not clear chips by hand or compressed air that operate the mill/drill with damaged or worn parts
can force the chips farther into the machine. use a that can break apart during operation. Maintain
brush or vacuum, and never clear chips while the your mill/drill in proper working condition. perform
spindle is turning.
routine inspections and maintenance promptly.
put tools away after use.
SEcURING TOOLING. objects that are thrown
by the spinning action of the mill/drill can be MAINTENANcE/ADJUSTMENTS. to avoid pos-
deadly missiles. Always firmly secure the cutting sible electrocution or physical injury, make sure
tool before starting the machine. Always remove the mill is turned OFF, disconnected from power,
the chuck key, drawbar wrench, and any tools and all moving parts have come to a complete
immediately after use.
stop before changing cutting tools or starting any
inspection, adjustment or maintenance procedure.
cUTTING TOOL INSPEcTION. inspect cutting
tools for sharpness, chips, or cracks before each SPINDLE SPEEDS. For safe and good results,
use. replace dull, chipped, or cracked cutting select the spindle speed that is correct for the type
tools immediately. handle cutting tools with care. of work and material. Allow the spindle to reach
Leading edges are very sharp and can cause full speed before beginning a cut.
lacerations.
POWER DISRUPTION. in the event of a local
STOPPING SPINDLE. serious injury may occur power outage during operation, turn spindle switch
if you try to stop the moving spindle by hand. do OFF to avoid a possible sudden start up once
not stop the spindle using your hand or any other power is restored.
object. Allow the spindle to stop on its own.
Like all machinery there is potential danger
when operating this machine. Accidents
are frequently caused by lack of familiarity
or failure to pay attention. Use this machine
with respect and caution to decrease the
risk of operator injury. If normal safety pre-
cautions are overlooked or ignored, seri-
ous personal injury may occur.
No list of safety guidelines can be com-
plete. Every shop environment is different.
Always consider safety first, as it applies
to your individual working conditions. Use
this and other machinery with caution and
respect. Failure to do so could result in
serious personal injury, damage to equip-
ment, or poor work results.
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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
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 .... 9.4 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 1. typical 6-15 plug and receptacle.
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.
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:
Minimum Gauge Size...........................14 AWG
Maximum Length (Shorter is better).......50 ft.
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.
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SEcTION 3: SETUP
Unpacking
Inventory
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.
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.
Save the containers and all packing materials for
possible inspection by the carrier or its agent.
Otherwise, filing a freight claim can be difficult.
Small Item Inventory (Figure 2):
Qty
When you are completely satisfied with the condi-
tion of your shipment, inventory the contents.
A. handwheel handles w/screws................... 2
b. t-Bolts M12-1.75 x 55 w/Washers & nuts .. 2
c. Bottle for oil ............................................... 1
D. toolbox....................................................... 1
E. open-End Wrenches 17/19, 22/24mm ..1 Ea
F. hex Wrench set 2.5, 3, 4, 5, 10mm......1 Ea
G. drift Key...................................................... 1
H. drill Chuck B16, 1–13mm w/Chuck Key ..... 1
I. spindle sleeve r-8–Mt#3 ......................... 1
J. drill Chuck Arbor r-8–B16......................... 1
K. spindle sleeve Mt#3–Mt#2...................... 1
SUFFOCATION HAZARD!
Keep children and pets away
from plastic bags or packing
materials shipped with this
machine. Discard immediately.
Needed for Setup
A
C
d
B
the following are needed to complete the setup
process, but are not included with your machine.
K
Description
Qty
J
E
i
•
•
•
•
•
•
•
Additional people ....................................... 2
safety glasses ........................ 1 per person
Cleaner/degreaser (Page 12) .... As needed
disposable shop rags............... As needed
Forklift (rated for at least 1500 lbs.)............ 1
solid steel rod 1" dia. x 42" L .................. 2
slotted screwdriver #2 ............................... 1
F
h
g
Figure 2. small item inventory.
If you cannot find an item on the inventory list, carefully check around/inside the machine and
packaging materials. Often, these items get lost in packaging materials while unpacking or they
are pre-installed at the factory.
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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 shipping
grease from your 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 3. 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 enough space
around machine to disconnect power supply or
apply 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.
34"
68"
Figure 4. Minimum working clearances.
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4. insert steel rods into holes in stand, as shown
in Figure 5.
Lifting & Placing
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 fork lift (or other
lifting equipment) rated for
weight of this machine.
power lifting equipment, steel rods (refer to
Page 11), and at least two other people are
required to lift and place the mill.
steel rods
Figure 5. Lifting setup.
To move your machine into position:
5. Evenly position forklift forks under steel rods
on each side of cabinet.
1. remove outside crating material from ship-
ping crate, but leave machine bolted to pallet
(for now).
Note: Before next step, make sure all locks
are tight to avoid sudden shifts which could
unbalance machine.
2. Move machine next to its intended installation
location, then unbolt it from pallet.
6. With help of additional people to steady load,
slowly lift machine, remove pallet, then lower
machine into position.
3. to help balance machine during moving,
position table as close to column as possible,
and adjust headstock to its lowest position.
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Anchoring to Floor
Assembly
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.
Except for the handwheel handles, the mill/drill
was fully assembled at the factory.
use a slotted screwdriver to attach the handwheel
handles, as shown in Figure 7.
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.
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.
handwheel
handles
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 7. handwheel handles attached.
Lag Screw
Flat Washer
Machine Base
Lag Shield Anchor
Concrete
Drilled Hole
Figure 6. popular method for anchoring
machinery to a concrete floor.
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Joining Drill chuck Lubricating Mill/Drill
& Arbor
GEARBOX MUST
BE FILLED WITH OIL!
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.
After the arbor is installed in the drill chuck, it
is very difficult to separate the assembly. if you
OIL MAY NOT BE
SHIPPED WITH MACHINE!
would like to use a different chuck in the future,
we recommend obtaining a new arbor.
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.
the headstock oil reservoir must be properly filled
with oil before the mill/drill can be operated for the
first time.
To join the drill chuck and arbor:
damage caused by running the mill/drill without
1. use acetone or lacquer thinner to clean drill
the proper amount of oil in the reservoir will not be
chuck and arbor mating surfaces, especially
covered under warranty. refer to the Lubrication
the bore.
section, beginning on Page 30, for details on how
to check and add oil.
2. retract chuck jaws completely into chuck.
3. insert small end of arbor into chuck.
4. hold assembly by the arbor and tap chuck
onto a block of wood with medium force, as
illustrated in Figure 8.
Figure 8. tapping drill chuck/arbor on block of
wood.
5. Attempt to separate drill chuck and arbor by
hand—if they separate, repeat Steps 3–4.
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4. twist Emergency stop button clockwise until
it pops out—this resets the switch so the
machine can be started (see Figure 10).
Test Run
the purpose of the test run is to verify that the
machine functions properly and is ready for regu-
lar operation.
Before beginning this procedure, make sure: (1)
you understand the safety instructions at the
beginning of this manual, (2) the machine is set
up properly, and (3) all tools and objects used dur-
ing setup are cleared away from the machine.
Figure 10. resetting the switch.
IMPORTANT: if the machine or its components
do not function as described, or if the machine
has unusual noises or vibrations, immediately turn
it OFF and disconnect power.
5. push the power Lamp/on button to enable
power to the motor—the lamp should light.
6. push spindle Forward button to start machine.
A correctly operating machine runs smoothly
with little or no vibration or rubbing noises.
For your convenience, a Troubleshooting table
is provided on Page 35. if you cannot find a rem-
edy, contact our tech support at (570) 546-9663
for assistance.
7. press Emergency stop button to stop
machine.
To test run the machine:
8. Without resetting Emergency stop button,
press spindle Forward button—the machine
should not start.
1. push Emergency stop button (see Figure 9).
—if the machine does start (with the
Emergency stop button pushed in), imme-
diately disconnect machine from power.
Elevation
power/on
power
Lamp
Feed
the Emergency stop button safety feature
is not working correctly. this safety feature
must work properly before proceeding with
regular operations. Call tech support for
help.
spindle
spindle
Forward
reverse
spindle
stop
9. reset Emergency stop button and use
Elevation power Feed switch to raise and
lower headstock.
Emergency stop
Figure 9. Control panel.
the test run is complete. Before beginning any
regular operations, perform the Spindle break-In
procedure on the next page.
2. rotate Elevation power Feed switch to oFF.
3. Connect machine to power source by insert-
ing power cord plug into matching receptacle.
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Spindle break-In
Inspections &
Adjustments
Before placing operationql loads on the spindle,
complete this break-in procedure to fully distribute
lubrication throughout the bearings and ensure
trouble-free performance.
the following list of adjustments were performed
at the factory before the machine was shipped:
•
•
gib Adjustments..............................Page 37
Leadscrew Backlash
Adjustments.....................................Page 37
return spring tension.................... Page 40
Failure to complete the spindle break-in
process may lead to premature failure of the
bearings—this will not be covered under
warranty.
•
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.
To perform the spindle break-in procedure:
1. Make sure the spindle is completely stopped,
then set spindle speed to 90 rpM (refer to
Page 26 for detailed instructions).
Do not leave the mill/drill unattended during
the Spindle break-In procedure. If your
attention is needed elsewhere during this
procedure, stop the mill/drill and restart the
procedure later from the beginning.
2. run machine for a minimum of 10 minutes.
3. repeat Step 2 for each spindle speed, work-
ing to progressively higher speeds.
Note: If the machine is new, we recommend
changing the headstock oil while it is still warm
and any particles from the manufacturing process
are still in suspension (refer to Page 31 in the
Lubrication subsection for detailed instructions).
the spindle break-in is now complete!
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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-
able for cutting.
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.
2. puts on protective gear.
3. securely clamps workpiece to table.
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. With machine disconnected from power,
installs correct cutting tool.
5. Adjusts headstock height above table.
6. Without the machine running, checks range
of table or spindle movement to make sure
setup is safe and correct for operation.
7. selects correct spindle speed.
To reduce your risk of
serious injury, read this
entire manual bEFORE
using machine.
8. Connects machine to power and turns it ON.
9. uses downfeed controls or table controls to
perform cutting operation.
10. turns machine OFF and waits for spindle to
completely stop before removing workpiece.
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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control Panel
Downfeed controls
refer to Figure 11 and the following descriptions
to become familiar with the control panel func-
tions.
Identification
F
A
B
A
B
E
C
C
F
d
Figure 12. downfeed controls.
d
E
A. Fine downfeed handwheel
b. depth pointer and scale
c. Quill Lock Lever
Figure 11. Control panel components.
A. Power/ON Lamp button: Lights when
machine is connected to power. push this
button to enable power to the motor.
D. depth pointer Adjustment Knob
E. downfeed selector Knob
F. Coarse downfeed Lever
b. Elevation (z-Axis) Power Feed Switch:
Controls headstock elevation.
c. Spindle Reverse button: starts counter-
clockwise spindle rotation.
Using coarse Downfeed
1. Loosen downfeed selector knob to engage
coarse downfeed levers.
D. Emergency Stop button: Cuts power to
spindle and z-axis motors. this button does
not disconnect machine from power.
2. use adjustment knob to adjust depth pointer.
3. use coarse downfeed levers to lower spindle.
E. Spindle Stop button: stops spindle motor.
F. Spindle Forward button: starts clockwise
spindle rotation.
Using Fine Downfeed
1. Tighten downfeed selector knob to engage
fine downfeed handwheel.
2. use adjustment knob to adjust depth pointer.
3. rotate fine downfeed handwheel to raise and
lower spindle.
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Depth Stop
The z-axis crank will rotate rapidly and may
cause impact injuries if left attached during
powered z-axis operation. Always remove
z-axis crank before using the switch on the
control panel.
the depth stop limits the downward movement of
the cutting tool. With the use of the depth pointer
adjustment knob (see D in Figure 12), it can be
adjusted anywhere within 0"–5". this is useful
when performing repeat operations.
the limit stops shown in Figure 15 stop head-
stock travel when contacted by the limit block.
Headstock
Movement
the headstock travels up and down the column,
and tilts 90° left and right relative to the table.
Limit
stops
Raising/Lowering Headstock
Loosen the lock handles shown in Figure 13, then
use the Elevation (z-Axis) switch (see Figure 14)
on the control panel to raise/lower the headstock.
Limit
Block
Figure 15. z-axis limit controls.
the headstock can also be raised/lowered by
hand using the crank shown in Figure 16.
Lock
handles
Crank
Figure 13. Lock handles for headstock elevation.
Elevation
switch
Figure 16. z-axis crank.
Note: Lock the headstock in place by re-tighten-
ing the lock handles before beginning operation to
avoid unexpected headstock movement.
Figure 14. Elevation switch that controls
motorized head travel.
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Tilting Headstock
1. use a 22mm wrench to loosen the three lock-
ing hex nuts (see Figures 17–18), then tilt
headstock to desired angle on tilt scale.
Table Travel
the table travels in two directions, as illustrated
in Figure 19. these movements are controlled
by handwheels and the X-axis power feed. When
using the power feed, travel is limited by the posi-
tion of the limit stops along the front of the table.
tilt
X-Axis or Longitudinal Travel
(Left & Right)
scale
Y-Axis or
Cross Travel
(In & Out)
hex nut
Figure 19. the directions of table movement.
Figure 17. tilt locking hex nut
(one on each side of head).
Graduated Dials
the handwheels have graduated scales that
are used to determine table movement in 0.001"
increments. one full revolution of the handwheel
equals 0.100" of table movement.
Loosen the locking thumb screw shown in
Figure 20, adjust the graduated dial to “zero” it
for a relative starting point, then re-tighten the
thumb screw.
hex nut
graduated dial
Figure 18. hex nut underneath head.
2. Lock headstock in place by re-tightening the
three hex nuts.
thumb screw
When tilting the head back to 90°, you will
need to tram the spindle with the table to
ensure a that it is set perfectly. Refer to the
Tramming Spindle section on Page 38 for
detailed instructions.
Figure 20. graduated dial and locking thumb
screw.
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X- & Y-Axis Handwheels
use Figure 21 and the following descriptions to
become familiar with the X- and y-axis manual
table movement.
X-Axis Power Feed
use Figures 22–23 and the following descriptions
to become familiar with the power feed controls.
B
A
C
B
d
F
d
E
C
Figure 22. X-axis power feed controls.
A
Figure 21. table locks and limit stops.
g
A. Y-Axis Handwheel: Moves table back and
forth.
b. X-Axis Table Locks: increase rigidity of
table when X-axis movement is not required
for operation.
h
c. Y-Axis Table Lock: increase rigidity of table
when y -axis movement is not required for
operation.
Figure 23. Limit switch and limit stops.
A. ON/OFF Light: Lights when unit is turned
ON.
D. X-Axis Handwheel: Moves table side to
side.
b. Direction Lever: Controls direction of pow-
ered table travel.
c. Rapid Switch: When held down, moves
table rapidly in chosen direction.
D. Power Light: Lights when unit is connected
to power.
E. Speed Dial: Controls rate of power feed.
F. ON/OFF Switch
G. X-Axis Limit Stops: Adjustable along front
of table to restrict X-axis table movement,
particularly when using the power feed.
H. Limit Switch: stops power feed when con-
tacted by a limit stop.
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Installing Tool Holder
Tool Needed
Wrench 19mm ................................................... 1
Installing/Removing
Tooling
Qty
To install tool holder:
the Model g0755 includes the following spindle
tools (see Figure 24):
1. disConnECt MAChinE FroM poWEr!
2. remove drawbar cap as shown in Figure 25.
A. b16 Drill chuck w/R-8 Arbor: use with drill
bits.
b. R-8–MT#3 Spindle Sleeve: use with Mt#3
tooling with or without a tang. has a drift key
slot for tool removal.
drawbar
c. MT#3–MT#2 Spindle Sleeve: use with the
r-8–Mt#3 spindle sleeve for Mt#2 tooling.
has a drift key slot for tool removal.
Adjustment
Alignment slot
drift Key slot
drawbar Cap
nut
Figure 25. drawbar components.
3. Align tool holder alignment slot (see Figure
24) with pin inside spindle, then insert tool
holder into spindle until it contacts drawbar.
C
A
Note: Drawbar height inside spindle can be
changed by rotating the adjustment nut (see
Figure 25).
B
Figure 24. drill chuck and arbors included with
Model g0755.
4. Working from the top, hand-thread drawbar
into tool holder until snug, then use a 19mm
wrench to tighten it.
Note: DO NOT overtighten drawbar.
Overtightening makes tool holder removal
difficult and could damage arbor and drawbar
threads.
cutting tools are sharp and
can easily cause laceration
injuries. Always protect
your hands with leather
gloves or shop rags when
handling cutting tools.
5. re-install drawbar cap.
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Removing Tool Holder
Tools Needed
Wrench 19mm ................................................... 1
Spindle Speed
Qty
Brass or dead Blow hammer............................ 1
using the correct spindle speed is important for
safe and satisfactory results, as well as maximiz-
ing tool life.
To remove tool holder:
1. disConnECt MAChinE FroM poWEr!
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 spindle
speed levers to produce the required spindle
speed.
2. remove drawbar cap, and only unthread
drawbar from tool holder one full rotation.
Note: Do not fully unthread tool holder from
drawbar, or drawbar and tool holder threads
could be damaged during the next step.
Determining Spindle Speed
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 the formula shown in
Figure 26.
3. tap top of drawbar with hammer to unseat
taper.
4. hold onto tool holder with one hand and fully
unthread drawbar with the other hand.
*Recommended
Spindle
Speed
(RPM)
Cutting Speed (FPM) x 12
=
Tool Dia. (in inches) x 3.14
*Double if using carbide cutting tool
Figure 26. spindle speed formula for mill/drills.
Cutting speed, typically defined in feet per minute
(FpM), is the speed at which the edge of a tool
moves across the material surface.
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 they are a good educational resource.
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 the applicable variables in order to deter-
mine the best spindle speed for the operation.
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With the spindle completely stopped, position the
spindle range and speed levers (see Figure 27)
to set the spindle speed.
Setting Spindle Speed
the chart below explains how to position the
spindle range and speed levers to set the desired
spindle speed.
Note: If the levers will not move to the desired
position, rotate the spindle by hand while applying
pressure on the lever. When the gear teeth align,
the lever will move into place.
Spindle Speed Range Lever Speed Lever
90 rpM
210 rpM
345 rpM
670 rpM
1180 rpM
1970 rpM
L
L
1
2
3
1
2
3
L
spindle speed Chart
h
h
h
speed
Lever
change spindle speed ONLY when the
spindle is completely stopped. Otherwise,
machine damage could occur.
range
Lever
Figure 27. spindle speed controls.
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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.
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 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
t23962
t23963
Refer to our website or latest catalog for
additional recommended accessories.
G1075—52-Pc. clamping Kit for 1⁄2" T-Slots
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.
Figure 30. iso 68 and iso 32 machine oil.
High Pressure Oil cans
H7616—Plastic Nozzle
H7617—Flexible Plastic Nozzle
Whether you are lubricating cutting tools or main-
taining machinery in top operating condition, you
will appreciate these high pressure oil Cans.
Each can holds 5 ounces of oil and has a trigger-
activated, high-pressure pump.
Figure 28. g1075 52-pC. Clamping Kit.
h7616
G7066—5" Tilting/Swiveling Milling Vise
H7576—Precision Self-centering Vise
G7066
h7617
Figure 31. high pressure oil Cans.
H7576
Figure 29. Specialty milling vises.
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H7527—6" Rotary Table Set
Sb1348—South bend® 8-Pc. R-8 collet Set
Sb1349—South bend® 16-Pc. R-8 collet Set
get true south Bend® quality and precision with
one of these Quick-Change Collet sets. Each set
includes hardened and precision-ground spring
collets for maximum holding power, collet chuck,
spanner wrench, and protective moulded case.
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° table movement per han-
dle rotation and 20 second vernier scale, control
is very accurate and precise. Also includes a ⁄8
3
"
clamping set for the 4-slot table. Everything you
need in one great set!
Figure 34. Model SB1349 South Bend 16-Pc.
Figure 32. H7527 6" Rotary Table Set.
R-8 Collet Set.
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.
H9599—Machine Shop Trade Secrets
G5053—The Home Machinist’s Handbook
Excellent reference pages for novices and profes-
sionals alike. Each book is filled with drawings
charts and tables for getting the most of your mill-
ing machine. Model h9599 has 320 pages. Model
g5053 has 275 pages.
Figure 35. G7154 Precision Milling Vise.
H9599
G5053
Figure 33. great texts for mill/drills.
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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",
G5641—1-2-3 blocks
G9815—Parallel Set
Blocks are square to within .0003". Measure 1" x
3
1
5
11/16", and /4".
2" x 3". parallel set measures 6" long by ⁄2", ⁄8",
3
15
⁄
4", 7⁄8", 1", 11⁄8", 11⁄4", 11⁄8", 13⁄8", 11⁄2", and ⁄8".
Figure 39. g5641 1-2-3 Blocks and g9815
parallel set.
Figure 36. g9760 20-pC End Mill set.
G5774—R-8 End Mill Holder Set
hold various sized end mills in your r-8 spindle
H5930—4-Pc center Drill Set 60°
H5931—4-Pc center Drill Set 82°
double ended hss Center drills are precision
ground. includes sizes 1-4.
with this End Mill holder set. includes holders for
3
3⁄16", 3⁄8", 1⁄2", 5⁄8" and ⁄4" end mills.
Figure 40. h5930 4-pc Center drill set 60°.
Figure 37. g5774 r-8 End Mill holder set.
G3658—Titanium Drill bits
titanium nitride-coated bits last up to six times as
G9612—Test Indicator
long as uncoated bits. this 115-piece set features
this test indicator has a 0.03" range in gradu-
ations of 0.0005", an easy-to-read dial, and a
pivoting stylus that moves at right angles to the
dial face.
1
1
29 fractional bits, from ⁄6" to ⁄2" in increments
1
of ⁄64", letter bits from A–z, and 60 number bits.
housed in rugged steel case.
Figure 41. g3658 titanium drill Bits.
Figure 38. g9612 test indicator.
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SEcTION 6: MAINTENANcE
cleaning and
To reduce risk of shock or
accidental startup, always
disconnect machine from
Protecting
power before adjustments,
maintenance, or service.
Metal chips left on the machine will invite oxida-
tion and a gummy residue build-up around the
moving parts. use a brush and shop vacuum to
remove chips and debris from the working sur-
faces of the mill/drill. never blow off the mill/drill
with compressed air, as this will force metal chips
deep into the mechanisms and may cause injury
to yourself or bystanders.
Schedule
For optimum performance from your machine,
follow this maintenance schedule and refer to any
specific instructions given in this section.
remove any rust build-up from unpainted cast
iron surfaces of your mill/drill and treat with a non-
staining lubricant after cleaning.
Daily check:
•
•
•
•
•
Loose mounting bolts.
damaged tooling.
Worn or damaged wires.
Clean debris and built up grime off of machine.
Any other unsafe condition.
Keep unpainted cast iron surfaces rust-free with
regular applications of iso 68 way oil (see
Page 27 for offerings from grizzly).
Every 8 Hours of Operation:
Lubrication
•
•
•
Check/add headstock oil (Page 31).
Lubricate ball oilers (Page 32).
Lubricate table/column ways and quill (Page
32).
An essential part of lubrication is cleaning the
components before lubricating them.
Every 40 Hours of Operation:
Lubricate table leadscrews (Page 33).
this step is critical because grime and chips build
up on lubricated components, which makes them
hard to move. simply adding more lubricant will
not result in smooth moving parts.
•
Every 90 Days of Operation:
•
•
Lubricate quill rack and pinion (Page 33).
Lubricate z-axis leadscrew (Page 34).
Clean all exterior components in this section with
mineral spirits, shop rags, and brushes before
lubricating.
Annually:
•
Change headstock oil (Page 31).
disConnECt MAChinE FroM poWEr
BEForE pErForMing LuBriCAtion.
NOTICE
Follow reasonable lubrication practices as
outlined in this manual. Failure to do so
could lead to premature failure of your
machine and will void the warranty.
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4. place a 1-gallon or larger drain pan on the
table under the headstock.
Headstock Reservoir
oil type ......Model t23962 or iso 68 Equivalent
oil Amount................................................ 31⁄4 Qt.
Check/Add Frequency...........8 hrs. of operation
Change Frequency................................ Annually
5. remove the drain plug (see Figure 44) from
underneath the headstock. Allow the oil to
completely drain into the pan.
the headstock has the proper amount of oil when
the sight glass is halfway full (see Figure 42).
drain
plug
sight
glass
Figure 44. headstock drain plug
(headstock tilted 90° for clarity).
Figure 42. headstock sight glass.
Tool Needed
hex Wrench 8mm.............................................. 1
Qty
Follow federal, state, and local require-
ments for proper disposal of used oil.
To change the headstock oil:
6. replace the drain plug.
1. run the spindle at 670 rpM for approximate-
ly 10 minutes to warm the oil.
7. Add oil until the sight glass is halfway full,
then replace the fill plug.
2. disConnECt MAChinE FroM poWEr!
3. remove the fill plug (see Figure 43).
8. Clean up any spilled oil to prevent slipping
hazards.
Fill
plug
Figure 43. headstock oil fill plug.
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ball Oilers
oil type ......Model t23963 or iso 32 Equivalent
oil Amount.........................................1–2 pumps
Lubrication Frequency...........8 hrs. of operation
Table/column Ways & Quill
oil type ......Model t23962 or iso 68 Equivalent
oil Amount............................................thin Coat
Lubrication Frequency...........8 hrs. of operation
proper lubrication of ball oilers (shown in
Figures 45–46) is done with a pump-type oil
can that has a plastic or rubberized cone tip (see
Page 27 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.
refer to Figures 45–48 to identify each compo-
nent to lubricate.
Column
Ways
y-Axis
Ball oiler
Figure 47. Column ways.
y-Axis table Ways
Figure 45. y-axis ball oiler and ways.
X-Axis
Ball oiler
Quill
Figure 48. outside surface of the quill.
use the component controls to access the entire
length of the surfaces, then clean them with min-
eral spirits and shop rags.
X-Axis
table Ways
Figure 46. X-axis ball oiler and ways.
When dry, apply a thin coat of oil to the surfaces.
Move each component through the entire path of
travel several times to distribute the lubricant.
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. When
finished, wipe away the excess oil.
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Table Leadscrews
oil type ......Model t23962 or iso 68 Equivalent
oil Amount............................................thin Coat
Lubrication Frequency.........40 hrs. of operation
Quill Rack & Pinion
oil type ................ nLgi#2 grease or Equivalent
oil Amount............................................thin Coat
Lubrication Frequency.......90 days of operation
Move the table as necessary to access the entire
length of the X- and y-axis leadscrews (see
Figures 49–50), then use mineral spirits, shop
rags, and a brush to clean them.
Move the quill up and down to gain full access to
the rack and pinion (see Figure 51), then clean
the teeth with mineral spirits, shop rags, and a
brush.
pinion
rack
X-Axis Leadscrew
Figure 51. Quill rack and pinion.
Figure 49. X-axis leadscrew.
use a brush to apply a thin coat of grease to the
teeth, then raise/lower the quill several times to
distribute the grease.
Note: Use a 4mm hex wrench to remove the way
cover from the column and access the Y-axis
leadscrew.
Note: Re-apply oil to the smooth outside surface
of the quill that was removed during the cleaning
process.
y-Axis Leadscrew
Figure 50. y-axis leadscrew.
use a clean brush to apply a thin coat of oil to the
leadscrew threads, then move the table through
the X- and y-axis paths to distribute the oil.
replace the way cover before connecting the
machine to power.
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use mineral spirits, shop rags, and a brush to
clean away the old grease from the leadscrew
threads and the worm gear teeth.
z-Axis Leadscrew
oil type ................ nLgi#2 grease or Equivalent
oil Amount............................................thin Coat
Lubrication Frequency.......90 days of operation
use a brush to apply a thin coat of grease to the
threads and teeth, then raise/lower the headstock
several times to distribute the grease.
using a 5mm hex wrench, remove the rear col-
umn cover to access the z-axis leadscrew and
worm gear (see Figure 52).
Note: Replace the rear column cover before re-
connecting the machine to power.
z-Axis
Leadscrew
Worm
gear
Figure 52. z-axis leadscrew and worm gear
exposed.
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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 at (570) 546-9663.
Note: Please gather the serial number and manufacture date of your machine before calling.
Troubleshooting
symptom
possible Cause
possible solution
Machine does not
start.
1. Emergency stop button depressed.
1. twist emergency stop button clockwise until it pops
out to reset it.
2. plug at fault or wired incorrectly.
3. incorrect power supply voltage.
2. Ensure plug is not damaged and is wired correctly.
3. Ensure power supply voltage matches circuit
requirements (Page 11).
4. Wall fuse/circuit breaker is blown/tripped.
5. Wiring is open/has high resistance.
4. Ensure circuit size is correct and a short does not
exist. reset breaker or replace fuse.
5. Check for broken wires or disconnected/corroded
connections; repair/replace as necessary.
6. Ensure motor wiring is correct (Page 43).
7. Ensure each button is wired correctly; replace if at
fault (Page 42).
6. Motor wired incorrectly.
7. Control panel buttons at fault.
8. Motor or motor components are at fault.
8. test/repair/replace.
Machine stalls or is 1. Feed rate/cutting speed too fast.
1. decrease feed rate/cutting speed.
overloaded.
2. Wrong cutter type.
2. use the correct cutter for the task.
3. Machine is undersized for the task or
tooling is incorrect for the task.
4. Motor has overheated.
3. use smaller or sharper tooling; reduce feed rate or
spindle speed; use cutting fluid if possible.
4. Clean off motor, let cool, and reduce workload.
5. Ensure motor wiring is correct (Page 43).
6. test by rotating shaft; rotational grinding/loose shaft
requires bearing replacement.
5. Motor wired incorrectly.
6. Motor bearings are at fault.
7. Motor or motor components are at fault.
1. Motor or machine component is loose.
7. test/repair/replace motor.
Machine has
vibration or noisy
operation.
1. inspect/replace stripped or damaged bolts/nuts, and
re-tighten with thread locking fluid.
2. Workpiece not secure.
3. Excessive depth of cut.
4. Cutter/tooling is loose.
5. Cutter is dull or at fault.
6. Bit is chattering.
2. properly clamp workpiece on table or in vise.
3. decrease depth of cut.
4. Make sure tooling is properly secured.
5. replace/resharpen cutter.
6. replace/sharpen bit; index bit to workpiece; use
appropriate feed rate and cutting rpM.
7. tighten/replace anchor bolts; relocate/shim
machine.
7. Machine is incorrectly anchored to floor or
sits unevenly.
8. Motor fan is rubbing on fan cover.
9. Motor bearings are at fault.
8. replace dented fan cover or damaged fan.
9. test by rotating shaft; rotational grinding/loose shaft
requires bearing replacement.
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symptom
possible Cause
possible solution
tool loose in spindle.
1. tool is not fully drawn up into
spindle taper.
1. tighten draw bar.
2. debris on tool or in spindle taper.
3. taking too big of a cut.
2. Clean collet and spindle taper.
3. Lessen depth of cut and allow chips to clear.
Breaking tools or cutters.
1. spindle speed/feed rate is too fast.
1. set spindle speed correctly (Page 25) or use slower
feed rate.
2. Cutting tool too small.
2. use larger cutting tool and slower feed rate.
3. use coolant fluid or oil for appropriate application.
4. decrease depth of cut.
3. Cutting tool getting too hot.
4. taking too big of a cut.
5. spindle extended too far down.
5. Fully retract spindle and lower headstock. this
increases rigidity.
Workpiece vibrates or
1. table locks not tight.
1. tighten down table locks.
chatters during operation.
2. Workpiece not secure.
2. properly clamp workpiece on table or in vise.
3. set spindle speed correctly (Page 25) or use a
slower feed rate.
3. spindle speed/feed rate is too fast.
4. spindle extended too far down.
4. Fully retract spindle and lower headstock. this
increases rigidity.
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 (Page 32).
4. Check to make sure that all table limit stops are not
in the way.
5. gibs are too tight.
5. Adjust gibs (see Page 37).
Bad surface finish.
1. spindle speed/feed rate is too fast.
1. set spindle speed correctly (Page 25) or use a
slower feed rate.
2. using a dull or incorrect cutting tool. 2. sharpen cutting tool or select one that better suits
the operation.
3. Wrong rotation of cutting tool.
4. Workpiece not secure.
3. Check for proper cutting rotation for cutting tool.
4. properly clamp workpiece on table or in vise.
5. Fully retract spindle and lower headstock. this
increases rigidity.
5. spindle extended too far down.
Cutting results not square. 1. table and spindle are not at 90° to
each other.
1. tram the spindle (Page 38).
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Adjusting Gibs
Adjusting Leadscrew
backlash
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.
Leadscrew backlash is the amount of freeplay
movement in the leadscrew (when the leadscrew
moves but the table does not) after changing the
direction of rotation.
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.
Leadscrews must have a certain amount of back-
lash to rotate easily , but over time, it increases
with wear. generally, 0.003"–0.006" leadscrew
backlash is acceptable to ensure smooth move-
ment and reduce the risk of premature thread
wear.
Many experienced machinists adjust the gibs just
to the point where they can feel a slight drag in
table movement.
the X- and y-axis leadscrew backlash is adjust-
ed using a long 4mm hex wrench to tighten/
loosen the cap screw on the leadscrew nut. this
adjusts the force the leadscrew nut exerts on the
leadscrew threads.
screws on each end of the gib allow gib adjust-
ment to increase or decrease the friction between
the sliding surfaces.
the X-axis leadscrew nut shown in Figure 54
is accessed from underneath the left side of the
table.
disConnECt MAChinE FroM poWEr
BEForE AdJusting thE giBs!
the y-axis leadscrew nut is similar and is
accessed from inside the cabinet underneath the
machine base.
Make sure all table locks are loose. then, loosen
one gib adjustment screw (see Figure 53) and
tighten the opposing 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.
X-Axis Leadscrew nut
Cap screw
X-Axis gib screw
Figure 54. Location of X-axis leadscrew nut for
adjusting backlash.
y-Axis gib screw
(1 of 2)
(1 of 2)
Figure 53. Location of table gib screws.
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Tools Needed
Qty
Tramming Spindle
dial indicator (with at least 0.0005" resolution). 1
indicator holder (mounted on quill/spindle)....... 1
precision parallel Block (1-2-3 Blocks).............. 1
When your operation requires that the spindle
axis be precisely perpendicular to the table, you
must tram the spindle with the table. simply
adjusting the headstock tilt to the 90° mark on
the tilt scale will not be precise enough for highly
accurate results.
Note: A precision-ground plate can be substituted
for the parallel block. The farther the indicator
point can be placed from the spindle axis, the
more accurate the alignment measurements will
be.
this procedure involves mounting a dial indicator
to the quill or spindle, rotating it around the table,
and adjusting the head position so that the spindle
axis is 90° to the table X-axis, as illustrated in
Figure 55.
To tram the spindle with the table:
1. disConnECt MAChinE FroM poWEr!
2. prepare machine by performing the following
tasks:
—stone table to remove all nicks and burrs,
then clean off all debris. Verify table is
clean by running your hand over the top of
it.
Spindle
Z-Axis
Table
—position table for the operation you intend
to perform after tramming—preferably cen-
tered with saddle.
90º
X-Axis
—tighten any table locks that should be tight
during intended milling operation.
3. place parallel block underneath spindle.
Figure 55. spindle centerline properly trammed
to the table.
4. install indicator holder into spindle or onto
quill, then mount indicator onto it so that
the point is as parallel to the block as pos-
sible (see the illustration in Figure 56 for an
example).
Note: Keep in mind that the top surface of your
workpiece will not likely be exactly parallel with the
table top. Depending on your operation, you may
choose to tram the spindle to the top surface of
the workpiece after it is mounted instead of tram-
ming to the table.
Indicator
Spindle
Holder
Dial Indicator
Parallel Block
Table
Figure 56. dial indicator mounted.
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5. place the parallel block directly under spindle
and indicator across length of table, as illus-
trated in Figure 57.
Replacing Power
Feed carbon
brushes
Note: If you must re-position quill to accom-
modate the above step, then review tasks in
Step 2 to make sure mill is properly prepared
for tramming.
the X-axis power feed motor has a carbon brush-
es that will wear with normal use. there is one on
the top of the power feed (see Figure 58) and one
on the bottom.
Table (Top View)
Parallel Block
Cap
Carbon
Brush
Indicator
Spindle
Brush
hole
Figure 57. setup for the X-axis adjustment.
Note: Generally, the goal is to get the differ-
ence of the indicator readings between ends
of the parallel bar down to 0.0005". However,
the acceptable variance will depend on the
requirements for your operation.
Figure 58. Carbon brush removed from power
feed.
if, over time, the power feed starts to seem slug-
gish or will not operate, check the carbon brushes.
if they are less than ⁄16" in length, replace them
6. rotate spindle by hand so that the indicator
point rests on one end of parallel block, as
illustrated in Figure 57, then zero dial.
3
with new ones (part no. p0755501-6).
7. rotate spindle so that the indicator point
rests in the same manner on other end of
block, then read dial.
Note: For proper performance, replace both car-
bon brushes at the same time.
use a flat screwdriver to unthread (turn counter-
clockwise) the cap covering the carbon brush,
replace the brush assembly, then secure it with
the cap.
—if indicator dial still reads zero or is within
the acceptable variance, continue on with
Step 8.
—if indicator dial has moved from zero
beyond the acceptable variance, you will
need to compensate for that amount by
tilting head left or right. repeat Steps 6–7
until you are satisfied with spindle axis
alignment along table X-axis.
Tip: Keep one of the tilting hex nuts snug so
that the head does not move loosely while
you adjust it in small amounts.
8. re-tighten tilting hex nuts.
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To adjust the return spring tension:
Tightening Return
Spring Tension
1. disConnECt MAChinE FroM poWEr!
2. Wipe off any oil on spring cover so it does not
slip when you hold it during adjustments.
the return spring moves the spindle back up
when the coarse downfeed handles are released.
the tension of this spring was adjusted at the fac-
tory, but it may need to be tightened during the life
of the mill/drill.
3. Mark slot on cover that engages the roll pin at
the top—this is the factory setting.
4. put on heavy leather gloves to protect your
hands from lacerations if spring uncoils dur-
ing next step.
Important: Do not perform this procedure unless
it is absolutely necessary.
Note: Keep a good grip on spring cover dur-
ing next step. Letting go of cover when roll
pin is not engaged will cause spring to rapidly
uncoil.
during this procedure, you will loosen the spring
cover thumb screw (see Figure 59) just enough
to pull the cover back to clear the roll pin, then
rotate the cover counterclockwise to fit the roll pin
in the next slot.
5. While holding spring cover against side of
headstock so the spring will not unwind,
1
loosen thumb screw approximately ⁄4".
roll pin
6. pull cover out to disengage it with roll pin,
then rotate it counterclockwise to engage roll
pin in the next slot in cover.
Cover
Cover
thumb
slots
7. re-tighten thumb screw to secure setting.
screw
Figure 59. return spring components.
If the return spring should
come loose from the spring
cap and rapidly unwind,
laceration or impact inju-
ries could occur. Always
wear heavy leather gloves
and safety glasses when
adjusting the return spring
tension.
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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 man- riencing difficulties understanding the information
ual when connecting your machine to a power included in this section, contact our Technical
source.
Support at (570) 546-9663.
The photos and diagrams
included in this section are
best viewed in color. You
can view these pages in
-41-
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Electrical box Wiring
Control Panel
Ground
12
PE
Component Legend:
* = PNC EB2
§ = Minger LA125H-BE101C
‡ = Minger LA125H-BE102C
0
Power
Lamp *
Spindle
Forward
Spindle
Stop
4
4
§
‡
3
11
4
2
4
11
11
4
5
4
N O 3
4
Z-Axis
Switch
Spindle
Reverse
Emegency
§
§
‡
Stop
3
NO
3
8
3
14
15
N
L
7
13
L
N
L2
L
N N L2
N
L
L
N
L
A1
A1
A1
A1
L
1L1
3L2
5L3
1L1
3L2
5L3
1L1
3L2
5L3
3L2
5L3
7
1L1
15
11
13NO
21NC
31NC
43NC
13NO
21NC
31NC
43NC
13NO
21NC
31NC
43NC
13NO
21NC
31NC
43NC
10
KM2 Capacitor
Siemens 3TB41 29V
KM4 Capacitor
Siemens 3TB41 29V
KM1 Capacitor
Siemens 3TB41 29V
KM3 Capacitor
Siemens 3TB41 29V
L
12
14
14
3
14NO
2T1
22NC
4T2
32NC
6T3
44NO
14NO
2T1
22NC
4T2
32NC
6T3
44NO
14NO
2T1
22NC
4T2
32NC
6T3
44NO
14NO
2T1
22NC
4T2
32NC
44NO
L
6T3
4
1
5
4
6
9
12
0
A2
A2
A2
A2
6
V1
U2
V2
W1 W3
W2
V2
U2
V1
W1 W2
W3
0
0
0
0
4
4
12
14
9
13
0
0
L
PE
L
N
PE
2
L
L
L
N
N
N
L2 W1 W2 W3 V2 U2 V1
5
5
6
6
8
9
9
0
PE
220 230 380 400
Transformer
PE
Aohengda Elec
JBK-63VA 24V–400V
2A Fuse
Ceramic
250V 2A
Ø5 x 25
0
24
8
W1 W2 W3
N
L2
V2 U2 V1 U1
PE
0
PE
1
1
N
L2
N
L
PE
PE
Elevation Motor
Capacitor
Electrical Box
7MFD 500VAC
to z-Axis
Limit switches
(Page 43)
to z-Axis
Motor
(Page 43)
to spindle
Motor
(Page 43)
to power
supply
(Page 43)
Power Feed
READ ELECTRICAL SAFETY
ON DPoAwGnloEad4fr1om! Www.Somanuals.com. All Manuals Search And Download.
-42-
Model G0755 (Mfg. Since 1/13)
Motors & Other Electrical Wiring
220V Spindle Motor
to Electrical
Box
(Page 42)
220V
NEMA 6-15
Ground
PE
V2
U2
V1
(As Recommended)
U1
Ground
Run
Start
Capacitor
20MFD
450VAC
Capacitor
150MFD
250VAC
G
Hot
U1 W2
V1 U2
W1 V2
Hot
to Electrical
Box
(Page 42)
Upper Z-Axis
Limit Switch
5
6
220V
Z-Axis Motor
Lower Z-Axis
Limit Switch
6
5
8
9
to Electrical
Box
(Page 42)
to Electrical
Box
(Page 42)
READ ELECTRICAL SAFETY
ON PAGE 41!
-43-
Model G0755 (Mfg. Since 1/13)
Download from Www.Somanuals.com. All Manuals Search And Download.
Electrical Photos
Electrical box
transformer
Contactors
Capacitor
z-Axis Motor
z-Axis Limit Switch
READ ELECTRICAL SAFETY
ON DPoAwGnloEad4fr1om! Www.Somanuals.com. All Manuals Search And Download.
-44-
Model G0755 (Mfg. Since 1/13)
Electrical Photos
control Panel (Rear View)
power
Lamp
z-Axis
switch
spindle
Forward
spindle
reverse
Emergency
stop
spindle
stop
Spindle Motor
READ ELECTRICAL SAFETY
ON PAGE 41!
-45-
Model G0755 (Mfg. Since 1/13)
Download from Www.Somanuals.com. All Manuals Search And Download.
SEcTION 9: PARTS
Head
7
24
8
122
11
9
124
12
19
36
3
7-1
7-3
14
4
24
59
29
40
39
3
7-4
4
7-2
13
51
2
49
48
47
46
7-5
7-6
36
73
29
123
18
7-7
7-8
41
31
37
50
58
57
42
7-9
45
121
29
34
33
26
30
44
36
38
32
6
40
23
5
27
98
43
36
39
35
108
105
28
100
97
86
101
85
83
87
24
25
77
107
106
113
109
92
99
111
82
114
101
28
91
112
115
21
113
28
1
22
78
79
110
67
56
69
80
81
96
20
119
68
53
114
117
10
118
116
84
103
20
90
55
112
115
88
65
93
94
21
66
70
71
64
62
72
54
61
63
60
75
74
76
Please Note: We do our best to stock replacement parts whenever possible, but we cannot guarantee that all parts shown here
are available for purchase. Call (800) 523-4777 or visit our online parts store at www.grizzly.com to check for availability.
-46-
Model G0755 (Mfg. Since 1/13)
Download from Www.Somanuals.com. All Manuals Search And Download.
Head Parts List
DESCRIPTION
REF PART #
DESCRIPTION
REF PART #
1
P0754001 HEADSTOCK HOUSING
P0754002 HEADSTOCK TOP COVER
48
49
50
51
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
90
91
92
93
94
96
97
98
99
100
101
103
105
P0754048
P0754049
PK36M
GEAR 43T
2
GEAR 16T
3
PR38M
PR21M
INT RETAINING RING 62MM
INT RETAINING RING 35MM
KEY 5 X 5 X 50
4
PK147M
KEY 6 X 6 X 18
5
P0754005 FLANGED END CAP
P0754006 QUILL SEAL
P0754053
P0754054
P30207-P5
P30206-P5
P0754057
P0754058
PR12M
QUILL
6
SPINDLE R-8
7
P0754007 MOTOR 2HP 220V 1-PH
P0754007-1 MOTOR FAN COVER
P0754007-2 MOTOR FAN
TAPERED ROLLER BEARING 30207 P5
TAPERED ROLLER BEARING 30206 P5
SPLINED SLEEVE
7-1
7-2
7-3
7-4
7-5
7-6
7-7
7-8
7-9
8
P0754007-3 MOTOR JUNCTION BOX
GEAR 53T
PC150E
PC20D
S CAPACITOR 150M 250V 1-5/8 X 3
R CAPACITOR 20M 450V 1-1/2 X 3-1/4
EXT RETAINING RING 35MM
DEPTH ROD MOUNT
INT THREADED SHOULDER BOLT M16-2 X 10
HEX NUT M16-2 THIN
DEPTH ROD KNURLED THUMB KNOB M16-2
STUD-FT M12-1.75 X 230
DEPTH ROD DOG
P0754060
P0754061
PN48M
P0754007-6 CENTRIFUGAL SWITCH 25-1725
P0754007-7 CONTACT PLATE
P6205ZZ
P6205ZZ
PB07M
BALL BEARING 6205ZZ
BALL BEARING 6205ZZ
HEX BOLT M8-1.25 X 25
FLAT WASHER 8MM
P0754063
P0754064
P0754065
P0754066
P0754067
P0754068
P0754069
PCAP18M
PRP64M
PCAP13M
P0754073
P0754074
P0754075
PRP02M
P0754077
P0754078
P0754079
PR02M
9
PW01M
DEPTH POINTER
10
11
12
13
14
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
P0755010 HEADSTOCK FRONT COVER
P0754011 DRAWBAR CAP
SPANNER NUT LOCK WASHER 30MM
SPANNER NUT M30-1.5
QUILL RUBBER SEAL
CAP SCREW M4-.7 X 8
ROLL PIN 3 X 18
P0754012 DRAWBAR CAP RUBBER SEAL
PCAP45M CAP SCREW M8-1.25 X 45
P0755014 TAPER PIN 8 X 40
P0754018 OIL FILL PLUG 1/2" NPT
P0754019 CASTING PLUG
CAP SCREW M8-1.25 X 30
SPACER
P0754020 SHIFT LEVER
SPINDLE END CAP
PRP72M
P0755022 OIL DRAIN PLUG 3/8" NPT
PS09M PHLP HD SCR M5-.8 X 10
ROLL PIN 3 X 15
SPINDLE SEAL
ROLL PIN 3 X 16
WORM GEAR HOUSING
WORM SHAFT
PCAP18M CAP SCREW M4-.7 X 8
P0754025 OIL SIGHT GLASS 3/4" NPT
P0754026 DRIVE SHAFT
WORM SHAFT END BRACKET
EXT RETAINING RING 14MM
SPACER
P0754027 GEAR 14T
P0754081
P0754082
P0754083
P0754084
P0754085
P0754086
P0754087
P0754088
P0754090
P0754091
P0754092
P0754093
P0754094
P0754096
PW03M
P6003ZZ
P6007ZZ
PK23M
BALL BEARING 6003ZZ
BALL BEARING 6007ZZ
KEY 5 X 5 X 25
WORM GEAR
PINION SHAFT
LEVER HUB
P0754031 IDLER SHAFT
P0754032 GEAR 29T
P0754033 GEAR 35T
P0754034 GEAR 21T
P0754035 GEAR 41T
SPRING BASE
SPRING COVER
COILED SPRING
KNOB BOLT M10-1.5 X 45
FINE DOWNFEED GRADUATED DIAL
SHOULDER STUD-UDE M12-1.75 X 145 15,20
TAPERED KNOB M12-1.75
FINE DOWNFEED HANDWHEEL
HANDWHEEL HANDLE
KNURLED THUMB SCREW M5-.8 X 12
FLAT WASHER 6MM
P6202ZZ
PK101M
PK32M
BALL BEARING 6202ZZ
KEY 6 X 6 X 14
KEY 6 X 6 X 28
PSTB002M STEEL BALL 8MM
P0754040 COMPRESSION SPRING
PR07M
EXT RETAINING RING 18MM
KEY 5 X 5 X 50
PK36M
P0754098
PS05M
KNURLED THUMB SCREW M6-1 X 12
PHLP HD SCR M5-.8 X 8
FLAT HD CAP SCR M6-1 X 12
PSS107M
SET SCREW M6-.75 X 12
P0754044 SPINDLE SHAFT
P0754045 GEAR 25T
P0754046 GEAR 18T
P0754047 GEAR 32T
PFH86M
PCOTS004M STANDARD COTTER PIN 8 X 20
PCAP50M
P0754105
CAP SCREW M5-.8 X 10
LOCK LEVER SHAFT
-47-
Model G0755 (Mfg. Since 1/13)
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Head Parts List
REF PART #
DESCRIPTION
REF PART #
DESCRIPTION
106
107
108
109
110
111
112
113
114
P0754106
P0754107
P0754108
P0754109
P0754110
P0754111
PR03M
INNER LOCK PLUNGER
OUTER LOCK PLUNGER
ADJUSTABLE HANDLE
115
116
117
118
119
121
122
123
124
P0754115
P0754116
P0754117
P0754118
P0754119
P0754121
P0755122
P0755123
P0755124
SHAFT SEAL
SPEED SHIFT SHAFT
SPEED SHIFT FORK
SPEED RANGE SHIFT SHAFT
SPEED RANGE SHIFT ROCKER ARM
SPEED RANGE SHIFT FORK
EXT RETAINING RING 12MM
CAP SCREW M6-1 X 14
SHIFT ROD
SPEED SHIFT ROCKER ARM
COMPRESSION SPRING
DRAWBAR ASSEMBLY 7/16-20 X 17-3/4
ELECTRICAL CABINET
PCAP27M
P0754114
ELECTRICAL CABINET FRONT COVER
ELECTRICAL CABINET SIDE COVER
-48-
Model G0755 (Mfg. Since 1/13)
Download from Www.Somanuals.com. All Manuals Search And Download.
Table & column
315-1
315-3
315-2
315
286
260
285
315-4
284
283
262
315-5
316
314
313
265
257
259
262
267
282
281
256
265
317
258
268
269
280
261
228
255
318 319
256
230
257 266
254
236
206
204
322
261
263
205
214
264
215
320
321
219 231
221
242
249
240
225
223
227
327
330
326
218
226
221
222
224
329
241
325
202
231
220
249
328
237
245
293
294
295
324
207
239
292
291
211
323
235
246
207
210
212
209
222
252
222
213
201
248
206
244
206
245
221
218 238
208
207
287
220
219
209
207
203
293
294
295
211
288
218
210
231
230
213
212
-49-
Model G0755 (Mfg. Since 1/13)
Download from Www.Somanuals.com. All Manuals Search And Download.
Table & column Parts List
REF PART #
DESCRIPTION
REF PART #
DESCRIPTION
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
218
219
220
221
222
223
224
225
226
227
228
230
231
235
236
237
238
239
240
241
242
244
245
246
248
249
252
254
255
256
257
258
259
P0755201
P0755202
P0754203
P0755204
P0755205
P0754206
P51103
BASE
260
261
262
263
264
265
266
267
268
269
280
281
282
283
284
285
286
287
288
291
292
293
294
295
313
314
315
P0755260
P51104
Z-AXIS LEADSCREW
THRUST BEARING 51104
KEY 6 X 6 X 20
COLUMN
Y-AXIS LEADSCREW BRACKET
HEAD MOUNT
PK07M
P0755263
P0755264
PCAP06M
P0755266
P0755267
P0755268
P0755269
PR15M
SPANNER NUT LOCK WASHER 20MM
SPANNER NUT M20-1.5
CAP SCREW M6-1 X 25
DOWEL PIN 6 X 30
Z-AXIS GIB
GIB ADJUSTMENT SCREW
THRUST BEARING 51103
Y-AXIS LEADSCREW
DIAL CLUTCH
P0755208
P0754209
P0754210
P0754211
P0754094
P0754213
P0755214
P0755215
PCAP14M
P0754219
P0754096
Z-AXIS CRANK
SHOULDER SCREW M10-1.5 X 20 90L
CRANK HANDLE
TABLE GRADUATED DIAL
TABLE HANDWHEEL
HANDWHEEL HANDLE
SHOULDER SCREW M8-1.25 X 12 72L
Z-AXIS LEADSCREW NUT
LEADSCREW NUT BRACKET
CAP SCREW M8-1.25 X 20
DOWEL PIN 5 X 45
EXT RETAINING RING 30MM
SPACER
P0755281
P0755282
P0755283
P0755282
P0755281
PR15M
LOWER COUPLER
NYLON SHAFT
UPPER COUPLER
SPACER
EXT RETAINING RING 30MM
STAND
KNURLED THUMB SCREW M5-.8 X 12
P0755287
P0755288
PW06M
PLUBE002M TAP-IN BALL OILER 8MM
STAND SIDE COVER
FLAT WASHER 12MM
CAP SCREW M12-1.75 X 140
HANDWHEEL COMPRESSION SPRING
HANDWHEEL SPRING BUSHING
CAP SCREW M6-1 X 16
MOTOR MOUNT
P0754222
PLW10M
PW08M
ADJUSTABLE HANDLE M8-1.25
LOCK WASHER 16MM
FLAT WASHER 16MM
CAP SCREW M16-2 X 60
HEAD MOUNT FLAT WASHER 12MM
CAP SCREW M12-1.75 X 35
COLUMN REAR COVER
CAP SCREW M6-1 X 12
DOWEL PIN 8 X 30
P0755292
P0755293
P0755294
PCAP01M
P0755313
PCAP31M
P0755315
PCAP123M
P0755226
PCAP111M
P0755228
PCAP26M
P0755231
P0755235
P0755236
P0754237
P0754238
P0754239
P0755240
P0755241
P0755242
PW01M
CAP SCREW M8-1.25 X 25
ELEVATION MOTOR 1/8HP 220V 1-PH
315-1 P0755315-1 MOTOR FAN COVER
315-2 P0755315-2 MOTOR FAN
SADDLE
TABLE
315-3 P0755315-3 MOTOR JUNCTION BOX
X-AXIS LEADSCREW NUT
Y-AXIS LEADSCREW NUT
X-AXIS LEADSCREW RIGHT BRACKET
X-AXIS LEADSCREW LEFT BRACKET
X-AXIS LEADSCREW
POWER FEED CLUTCH
FLAT WASHER 8MM
315-4 P6001ZZ
315-5 P6000ZZ
BALL BEARING 6001ZZ
BALL BEARING 6000ZZ
CAP SCREW M8-1.25 X 25
DOWEL PIN 5 X 25
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
PCAP31M
P0755317
PS09M
PHLP HD SCR M5-.8 X 10
LIMIT SWITCH CHINT YBLX-JW2/11H/L
Z-AXIS LIMIT BLOCK
P0755319
P0755320
PCAP02M
P0755322
PCAP201M
PW01M
PCAP38M
PCAP45M
P0755248
PCAP38M
P0755252
P0755254
P0755255
P0755256
P0755257
PR24M
CAP SCREW M5-.8 X 25
CAP SCREW M8-1.25 X 45
TABLE GIB
CAP SCREW M6-1 X 20
SPACER
CAP SCREW M8-1.25 X 6
FLAT WASHER 8MM
CAP SCREW M5-.8 X 25
SADDLE GIB
P0754274
PR39M
POWER FEED LIMIT SWITCH
EXT RETAINING RING 8MM
T-SLOT NUT M8-1.25
Z-AXIS GEAR HOUSING
Z-AXIS CRANK SHAFT
GEAR 12T
P0754276
P0754277
P0754278
P0754279
POWER FEED LIMIT STOP
COMPRESSION SPRING
LIMIT STOP HOUSING
BALL BEARING 604ZZ
INT RETAINING RING 42MM
FLANGED BEARING CAP
P0755259
-50-
Model G0755 (Mfg. Since 1/13)
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Electrical components
401
406
402
405
403
404
415
407
407
407
407
410
409
414
411
412
413
408
REF PART # DESCRIPTION
REF PART # DESCRIPTION
401
402
403
404
405
406
407
408
P0755401 CAPACITOR 7M 500V 20 X 32 X 48MM
P0755402 GROUNDING PLATE
409
410
411
412
413
414
415
P0755409 SPINDLE REV BUTTON MINGER LA125HBE102C
P0755410 Z-AXIS SWITCH MINGER LA125HBE102C
P0755411 E-STOP BUTTON MINGER LA125HBE101C
P0755412 SPINDLE FWD BUTTON MINGER LA125HBE102C
P0755413 POWER LAMP/ON BUTTON MINGER LA125J-11D
P0755414 ELECTRICAL MOUNTING PLATE
P0755403 FUSE HOLDER
P0755404 FUSE 2A 250V 5 X 25MM
P0755405 TERMINAL BAR 1-PC
P0755406 TRANSFORMER AOHENGDA ELEC JBK63VA 24-400V
P0755407 CONTACTOR SIEMENS 3TB41 29V
P0755415 RELAY OMRON MY2N-J
P0755408 SPINDLE STOP BUTTON MINGER LA125HBE101C
-51-
Model G0755 (Mfg. Since 1/13)
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Power Feed
501-1
501
501-2
501-4
501-3
501-6
501-5
REF PART #
501 T24824
501-1 PT24824001A MOUNTING BRACKET 2-PC
DESCRIPTION
REF PART #
DESCRIPTION
POWER FEED ASSY ALIGN AS-235
501-4 PT24824004
501-5 PT24824008
501-6 P0755501-6
ON/OFF SWITCH
ZYTEL GEAR ASSEMBLY
POWER FEED MOTOR CARBON BRUSH
501-2 PT24824002
501-3 PT24824003
CONTROL HANDLE
SPEED CONTROL KNOB
-52-
Model G0755 (Mfg. Since 1/13)
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Accessories
504
505
510
506
507
512
511
519
518
509
514
513
515
516
517
508
520
REF PART #
DESCRIPTION
REF PART #
DESCRIPTION
504
505
506
507
508
509
510
511
512
P0754304
P0754305
PW06M
TOOLBOX
513
514
515
516
517
518
519
520
P0754313
PAW10M
PAW05M
PAW04M
PAW03M
PWR1719
PWR2224
PAW02.5M
DRIFT KEY
T-BOLT M12-1.75 X 55
HEX WRENCH 10MM
FLAT WASHER 12MM
HEX WRENCH 5MM
PN09M
HEX NUT M12-1.75
HEX WRENCH 4MM
P0754308
P0754309
P0754310
P0754311
P0754312
DRILL CHUCK B16 W/CHUCK KEY
SPINDLE SLEEVE MT#3-MT#2
DRILL CHUCK ARBOR R8-B16
SPINDLE SLEEVE R8-MT#3
BOTTLE FOR OIL
HEX WRENCH 3MM
WRENCH 17 X 19 OPEN-ENDS
WRENCH 22 X 24 OPEN-ENDS
HEX WRENCH 2.5MM
-53-
Model G0755 (Mfg. Since 1/13)
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Machine Labels & cosmetics
606
601
605
602
604
603
REF PART #
DESCRIPTION
REF PART #
DESCRIPTION
601
602
603
P0755601
P0755602
P0755603
HEADSTOCK LABEL
MODEL NUMBER LABEL
MACHINE ID LABEL
604
605
606
PPAINT-01
P0755605
GRIZZLY GREEN TOUCH-UP PAINT
CONTROL PANEL LABEL
ELECTRICITY LABEL
PLABEL-14A
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
-54-
Model G0755 (Mfg. Since 1/13)
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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
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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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