model t23096
industrial 1⁄4" die grinder
oWner's manual
Copyright © ApriL, 2011 By grizzLy industriAL, inC.
Warning: no portion of this manual may be reproduced in any shape
or form Without the Written approval of grizzly industrial, inc.
#Cr14037 printed in ChinA
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table of contents
safety............................................................................................................................2
safety instructions for pneumatic tools.....................................................................2
Additional safety instructions for pneumatic die grinders ........................................3
section 1: introduction .........................................................................................4
Foreword.....................................................................................................................4
specifications..............................................................................................................4
Contact info ................................................................................................................4
identification................................................................................................................5
section 2: setup.........................................................................................................6
unpacking...................................................................................................................6
inventory.....................................................................................................................6
Assembly ....................................................................................................................6
section 3: operations.............................................................................................7
operation overview....................................................................................................7
section 4: accessories...........................................................................................8
section 5: maintenance ........................................................................................10
section 6: service...................................................................................................11
troubleshooting........................................................................................................11
section 7: parts.......................................................................................................13
Main parts diagram..................................................................................................13
Main parts List..........................................................................................................13
Warranty ...................................................................................................................14
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safety
For Your Own Safety Read Instruction Manual
Before Operating This Equipment
The purpose of safety symbols is to attract your attention to possible hazard-
ous conditions. This manual uses a series of symbols and signal words which
are intended to convey the level of importance 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.
Indicates an imminent 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 infor-
mation about proper operation of the equipment.
NOTICE
safety instructions for pneumatic tools
Keep all safety devices in place do not force tool. it will do the job
and in working order.
better and safer at the rate for which it was
designed.
remove adJusting Keys and
Wrenches. Form habit of checking to use the right tool. do not force tool
see that keys and adjusting wrenches are or attachment to do a job for which it was
removed from tool before operation.
not designed.
Keep WorK area clean. Cluttered do not use under the influence
areas and benches invite accidents.
of drugs or alcohol, or When
tired.
Keep children and visitors
aWay. All children and visitors should be
kept at a safe distance from work area.
use correct air pressure.
exceeding the maximum psi rating
of this tool may cause seal damage,
unpredictable operation, or line burst.
maKe WorKshop child proof.
Make sure to lock your shop and shut-
OFF the power and air supply.
Model t23096 industrial 1⁄4" die grinder
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use proper air hose for the tool.
Make sure your air hose is in good
condition and is long enough to reach
your work without stretching.
speed rating. grinding bits and cut-
off wheels operated at a faster speed
than rated, may break or fly apart. Before
installing, make sure the maximum
allowable speed for the grinding stone
or cut-off wheel is equal or higher than
the speed of the tool.
secure WorK. use clamps or a vise to
hold work when practical. it is safer than
using your hand and frees both hands to
operate tool.
air line connection inspection.
An air line that becomes disconnected
from a tool can whip violently, causing
severe injury. Verify that air line is
properly connected and the fittings are
tight and leak free. Leaking fittings can
indicate the fitting is cracked and is
about to fail.
maintain tools With care. Cracked
grinding stones may break and fly apart
during operation. inspect grinding bits
for cracks before each use and replace
cracked wheels immediately!
prevent accidental operation.
do not carry tool with hand on trigger
and always disconnect from air when not
in use.
Wear proper apparel. do not
wear loose clothing, gloves, neckties,
rings, bracelets, or other jewelry that
may get caught in moving parts. non-
slip footwear is recommended. Wear a
protective hair covering to contain long
hair.
electrical shocK hazard. Cutting
into workpieces with hidden wiring can
result in shock or electrocution. Check for
hidden wiring before making any cuts.
use safety goggles. Also use a
face or dust mask if cutting operation is
dusty. everyday eyeglasses only have
impact resistant lenses, they are not
safety glasses.
be aWare of hose location. hoses
can easily become a tripping hazard when
laid across the floor in a disorganized
fashion.
additional safety instructions for
pneumatic die grinders
changing bits. When swapping grinding
bits, disconnect the grinder from air to
prevent an accidental start-up injury.
no list of safety guidelines can be
complete. every shop environment
is different. always consider safety
first, as it applies to your individual
working conditions. use this and
other tools with caution and respect.
failure to do so could result in
serious personal injury, damage to
equipment or poor work results.
tool stability. to establish the best
control possible when grinding, hold the
grinder with two hands, and stabilize your
hands and body against a fixed object.
Free-grinding (using one hand and no
support) can allow the tooling to grab the
workpiece and cause you to lose your grip
on the grinder, leading to severe injury.
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section 1: introduction
foreword
contact info
We are proud to offer this manual with your
new t23096! We've made every effort to
be exact with the instructions, specifica-
tions, drawings, and photographs of the
t23096 we used when writing this manual.
however, sometimes we still make an
occasional mistake.
We stand behind our products. if you have
any service questions, parts requests
or general questions about the product,
please call or write us at the location listed
below.
grizzly industrial, inc.
1203 Lycoming Mall Circle
Muncy, pA 17756
Also, owing to our policy of continuous
improvement, your t23096 may not exact-
ly match the manual. if you find this to be
the case, and the difference between the
manual and t23096 leaves you in doubt,
check our website for the latest manual
update or call technical support for help.
phone: (570) 546-9663
e-Mail: techsupport@grizzly.com
We want your feedback on this manual.
if you can take the time, please email or
write to us at the address below and tell
us how we did:
For your convenience, we post all avail-
able manuals and manual updates for
free on our website at www.grizzly.com.
Any updates to your model of tool will be
reflected in these documents as soon as
they are complete.
grizzly industrial, inc.
C/o technical documentation Manager
p.o. Box 2069
Bellingham, WA 98227-2069
email: manuals@grizzly.com
specifications
tool Bit shank size............................................................................................................ 1⁄4
"
Free speed......................................................................................................... 25,000 rpM
Average Air Consumption ........................................................................................... 3 CFM
operating Air pressure................................................................................................ 90 psi
Maximum Air pressure.............................................................................................. 100 psi
Air inlet size ...............................................................................................................1⁄4" npt
Minimum Air hose inside diameter.................................................................................... 3⁄8
"
Weighted sound pressure Level...........................................................................84.1 dB(A)
sound power Level ...............................................................................................95.1 dB(A)
handle Vibration rating ............................................................................................0.8 m/s2
net Weight..................................................................................................................0.88 lbs
shipping Weight .........................................................................................................1.10 lbs
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identification
Filter
Screen
Exhaust
Port
Trigger Lock
Trigger
Spindle
1⁄4" Quick Disconnect
Fitting Removed
Throttle
Valve
Throttle Valve
Adjustment
Screw
Collet Insert
Collet Nut
figure 1. Components and controls.
this tool presents serious injury
hazards to untrained users. read
through this entire manual to become
familiar with the controls and opera-
tions before using the tool!
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-5-
section 2: setup
unpacking
assembly
your tool was carefully packaged for safe
transportation. remove the packaging
materials from around your tool and inspect
it. if you discover the tool is damaged,
please immediately call Customer Service
at (570) 546-9663 for advice.
to assemble the grinder:
1. remove the plastic plug from the
grinder air inlet.
2. Apply pipe sealant on the quick
disconnect fitting threads, and install
the fitting into the grinder air inlet.
save the containers and all packing
materials for possible inspection by the
carrier or its agent. otherwise, filing a
freight claim can be difficult. When you are
completely satisfied with the condition of
your shipment, inventory the contents.
3. insert the shank of the desired grinding
bit into the collet until it bottoms, and
tighten the collet nut (see figure 1)
using the spindle and collet wrenches.
4. release the trigger lock, depress the
trigger, place a few drops of air tool
oil into the air inlet, and release the
trigger. the grinder is ready for use.
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.
air supply setup tips:
•
if the air hose is longer than 25-feet,
increase the air pressure to 100 psi to
compensate for air flow restriction.
inventory
•
•
For consistent air flow, use air hoses
with an inside diameter of 3⁄8" or larger.
model t23096 inventory (figure 2)
a. die grinder.........................................1
b. Quick disconnect Air Fitting...............1
c. Bottle for oil.......................................1
to eliminate air system moisture and
maintain automatic lubrication, install a
main or in-line filter water separator as
far as possible from the air compressor,
but before any automatic in-line oiler.
see examples in figure 3.
1
d. spindle Wrench ⁄2" ............................1
e. Collet nut Wrench 11⁄16"......................1
a
b
Steel
Air Piping
Quick-Disconnect
Fittings
Male Female
In-Line
Oiler
Filter
Regulator
(Optional)
Compressor
Your
Tool
d
c
Filter
Water
Lead-In Hose
(Optional)
Automatic
Oiler
Separator
Main Air
Supply Hose
Air
Regulator
e
figure 3. typical air supply system.
figure 2. inventory.
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section 3: operations
operation overview
to complete a typical cutting or grinding
operation:
1. secure the workpiece in a vise.
2. remove all combustibles, flammable
materials, and ignition hazards from the
this tool presents serious injury
area.
hazards to untrained users. read
through this entire manual to become
familiar with the controls and opera-
tions before using the tool!
3. Verify the cutter or grinding bit is free of
chips or cracks, and install it if it is safe
to use.
4. put on safety goggles, a face shield,
and respirator.
5. Make sure that the grinder trigger is in
the fully released position (fully out).
eye inJury hazard!
Wear safety goggles with full eye
protection from all sides when
using this grinder.
6. place a few drops of air tool oil into the
air supply inlet, and connect the grinder
to the air supply.
7. hold the grinder body with both hands,
stabilize your body and hands against a
fixed object. next position the grinding
bit next to the workpiece.
lung/ear
inJury hazard!
Wear protective
equipment when
using this tool.
8. slowly press the trigger, and carefully
feed the cutter or grinding bit into the
workpiece. Apply just enough force to
remove material while maintaining a
high tool rpM.
accidental
start hazard!
disconnect before
service or tool
changes.
—
if tool hop or vibration makes the
grinder hard to control, adjust the
throttle valve screw (see figure 1)
to reduce grinder rpM.
air pressure
hazard!
never exceed max
psi rating for tool.
9. When finished, or if leaving the area,
disconnect the grinder from air, and
store it away from children.
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section 4: accessories
1
t20881—in-line lubricator ⁄4" npt
g8210—50-pc. stone set
1
t20887—pressure regulator ⁄4" npt
g6261—Water filter ⁄4" npt
A great selection of high-quality grinding
stones in the most common shapes for
detailed die-grinding work. stones are
1
install an in-line lubricator to apply oil
automatically. install an air regulator right
at the tool for precise air control. install a
filter in your air supply line to prevent water
from traveling into your expensive air tools,
and ruining them.
1
equipped with ⁄4" mounting shanks.
t20887
t20881
figure 4. 50-pc. stone set.
g6261
h7573—2" mini clamp vise
this small vise mounts to any work
surface up to 11⁄8" thick with its sturdy
C-clamp mounting mechanism. other
figure 6. in-line pneumatic accessories.
t20554—compressor oil 32 oz
t20555—tool oil 8 oz
features include V-groove jaws for
7
holding tubing and round stock, ⁄8" x 11⁄2
"
this porter Cable air compressor and tool
oil offers outstanding heat displacement
and friction reduction without eating away
at o-rings and other rubber components
like detergent motor oils.
anvil face and alloy steel construction.
Maximum jaw opening is 2".
figure 5. mini clamp vise.
figure 7. air tool oil.
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t20928—nuisance dust mask
t21767—smart mask
g7870—half mask respirator:
oil / organic vapor
g7871—particulate filter
g7872—filter retainer
h3105—clamp style magnifying lamp
Mount this lamp to your work table or
machine stand for highly detailed viewing.
spring-loaded parallelogram arm design
provides full adjustability. Magnifying
power is 1.75 times. great for close-up
grinding. includes two 9 watt bulbs.
g7866—particulate respirator
g7867—particulate respirator w/valve
these maintenance-free half Mask
respirators come completely and
permanently assembled with cartridges so
they’re ready to use. each features a soft,
lightweight elastomeric face piece, cradle
suspension, easy-adjust head straps and
low profile for greater field of vision with use
of eyeglasses or goggles. the particulate
respirators have custom-designed shapes,
nosepieces and head straps for superior fit
and have collapse resistant, double-shell
construction. the t21767 smart mask is
individually packaged and features a large
3d-cup shape for better fit and 40% less
breathing resistance.
figure 8. illuminated magnifying.
g7871
g7870
g7872
h0736—shop fox® safety glasses
h7194—bifocal safety glasses 1.5
h7195—bifocal safety glasses 2.0
h7196—bifocal safety glasses 2.5
t20502—face shield crown protector
t20503—face shield Window
t20451—"Kirova" clear safety glasses
t20452—"Kirova" anti-reflective
safety glasses
g7866
t21767
g7867
figure 10. personal air filtration.
t20502
t20452
t20451
h0736
t20503
h7194
figure 9. eye protection assortment.
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section 5: maintenance
accidental
start hazard!
disconnect before
service or tool
eye inJury hazard!
Wear safety goggles with full eye
changes.
protection from all sides when
using or servicing this grinder.
air pressure
hazard!
never exceed max
psi rating for tool.
daily maintenance
before and after each use:
lubrication
•
Check for leaking or cracked air fittings;
bubbled, cut, or worn hoses; and
replace as required.
in most cases for periodic tool use, manual
lubrication is sufficient. however, if the tool
is to be used on a consistent basis, we
recommend installing an automatic oiler to
eliminate dry runs and ensure maximum
tool life. the two methods are explained
below.
•
•
place a few drops of air tool oil (not
motor oil) in the air inlet fitting.
drain the air supply compressor
tank and the water filter separator
reservoirs.
Manual Lubrication: every two hours of
use, place a few drops of air tool oil in
the air inlet fitting and at all pivot points.
do not use motor oil as the additives can
corrode the tool seals. next, connect the
tool to the air line and cover the exhaust
port (see figure 1, on page 5) with a rag.
position the end of the tool safely away
from you, and run the tool for 30 seconds
to completely circulate the oil through the
tool and into the rag.
•
Make sure the trigger lock is operational
and that the collet holds the tooling
tightly. Verify that the collet nut and
insert are free of cracks and wear.
periodically as required:
•
•
•
remove the quick disconnect fitting
and clean the filter screen. see figure
1 on page 5 for location.
Automatic Lubrication: Adjust the
automatic in-line oiler. place a sheet of
paper next to the exhaust port, run the tool
at three or four 30-second intervals. When
finished, the paper should show a slight oil
stain. if no oil is seen or excessive oil drips
from the paper, adjust the oiler and repeat
this process until the adjustment is correct.
see figure 3 for location.
Wipe the grinder housing and the
shanks of the tool bits with a lightly
oiled cloth.
Check and adjust the automatic in-line
oiler.
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section 6: service
troubleshooting
important: air tool repairs must be completed by a qualified service person.
symptom
possible cause
solution
tool runs at
1. grinder is being overloaded. 1. reduce feed pressure; install a
new or a smaller diameter bit.
normal speed but
bogs down when
grinding, or tool
runs slowly with
2. tool adjustment at fault.
2. re-adjust the throttle valve
screw to the fully open
position.
little air exiting the 3. trigger or lock is bent and 3. Bend the trigger lock or trigger
exhaust.
binding the trigger.
back into position so the trigger
fully depresses the throttle
valve.
4. intake filter screen is 4. Clean the filter screen behind
clogged.
the air supply fitting (see figure
1, on page 5).
5. insufficient air supply volume 5. set the regulator to 90 psi, or
or pressure.
100 psi if the air hose is longer
than 25 feet. repair any leaking
fittings, remove all restrictions
and hose kinks. ensure that all
hoses and lines have an inside
3
diameter of at least ⁄8".
6. tool shank or collet insert 6. replace worn items. if cutting
is worn, causing tool to slip
inside collet.
wheel is used, verify mounting
arbor is tight.
7. incorrect
affecting tool.
lubrication
is 7. Make sure tool is lubricated
correctly and does not run
dry. prevent oil from flooding
the air tool by re-adjusting the
automatic oiler.
8. Water is entering tool.
8. service or reposition the air
filter water separator as far as
possible from the compressor.
this allows for maximum air
cooling and water condensation
for the water separator.
9. Air tool motor clogged with an 9. Clean or rebuild the air tool as
oil-water sludge.
required, and correct moisture
or lubrication problem in the air
supply system.
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symptom
possible cause
solution
tool does not
1. Motor is at fault.
1. Motor may be stuck in position
operate when the
trigger is pressed,
but air runs freely
from exhaust.
from
improper
storage.
Lubricate the air tool and rotate
spindle by hand a few times.
next use the trigger to operate
the air tool while re-oiling
several times in the process to
flush the tool.
tool runs slowly,
and only a small
amount of air exits
from the exhaust
port.
1. Air regulator or tool
adjustment is at fault.
1. Adjust the air regulator to 90
psi, or 100 psi if the air hose is
longer than 25 feet. re-adjust
the throttle valve screw to the
fully open position.
2. trigger throttle valve is 2. disassemble the throttle valve
obstructed.
and clean out sludge and
contaminants.
3. intake filter screen is 3. Clean the filter screen behind
clogged.
the air supply fitting (see figure
1, on page 5).
4. Motor loaded with moisture 4. disassemble air tool, clean, and
or oil sludge.
relubricate. Lubricate air tool
and rotate spindle by hand a
few times. next use the trigger
to operate the air tool, re-oiling
several times in the process to
flush the system.
tool does
1. trigger bent or throttle valve 1. Bend trigger back to its normal
not shut OFF
when trigger is
released.
at fault.
position so throttle valve is free
to return to fully released or
OFF position.
2. throttle valve stuck open.
2. replace throttle valve spring or
o-rings.
Air tool becomes
hot or noisy
during operation.
1. Air tool heats up from 1. repair air tool, and correct
insufficient lubrication or a
worn bearing.
in-line
oiler
lubrication
adjustment, or follow manual
lubrication requirements.
Air tool becomes
too cold to hold,
or ice crystals
form at exhaust
port.
1. the intake of moisture and 1. Keep compressor tank drained,
the pressure drop is causing
moisture to freeze in the
tool.
service, reposition, or add
additional water separators in
the supply system.
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-12-
section 7: parts
main parts diagram
8
3
7
18
30
5
35
36
34
17
4
31
6
32
2
33
19
20
9
10
23
11
12
13
14
15
16
24
25
26
1
27
29
21
38
22
39
28
21
main parts list
REF PART # DESCRIPTION
REF PART # DESCRIPTION
1
2
3
4
5
6
7
8
N/A
N/A
N/A
N/A
N/A
N/A
HOUSING
THROTTLE VALVE CYLINDER
TRIGGER
TRIGGER LOCK
TORSION SPRING
SPACER
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
P608Z
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
ENDPLATE
LOCK PIN 2 X 6MM
ROTOR
VANE SET
CYLINDER
THRUST WASHER
BUSHING
FRONT COVER
LOCK PIN 1.5 X 4MM
BALL BEARING 608 Z
COLLET SEAT
PRP01M ROLL PIN 4 X 18MM
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
P626Z
CLEVIS PIN 3 X 22MM
O-RING 3.3 X 1.5MM
O-RING 4 X 22MM
VALVE STEM
COMPRESSION SPRING
REGULATOR
9
10
11
12
13
14
15
16
17
18
19
LOCK RING
RUBBER BUMPER
COLLET INSERT 1/4"
COLLET NUT
SPINDLE WRENCH 1/2"
COLLET WRENCH 11/16"
OIL BOTTLE
O-RING 7 X 2MM
O-RING 11 X 2MM
THREADED RETAINER
EXHAUST MUFFLER
SCREENED FITTING
BALL BEARING 626 Z
QUICK DISCONNECT 1/4"
Parts breakdown provided for reference only.
Not all parts shown are available for purchase.
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-13-
Warranty
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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