MODEL H8211
14 PIECE DIE GRINDER KIT
INSTRUCTION MANUAL
COPYRIGHT © AUGUST, 2007 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.
#JM9807 PRINTED IN CHINA
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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 hazardous
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 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
NOTICE
information about proper operation of the equipment.
Safety Instructions For Pneumatic Tools
1. READ THIS MANUAL. This tool may
cause personal injury if used incor-
rectly. This manual contains proper
safety and operating instructions that
must be followed to reduce this risk.
2. WEAR EYE PROTECTION. This
tool may throw small fragments dur-
ing operation, which may cause seri-
ous eye injury. Always wear ANSI
approved safety glasses or face shield
to reduce your risk from this hazard.
3. WEAR A RESPIRATOR. This tool
may produce fine dust during oper-
ation, which can cause respiratory
injury if inhaled. Always wear a respi-
rator NIOSH approved for the type of
material being processed.
4. WEAR HEARING PROTECTION.
Operating this tool for prolonged time
periods may damage your hearing.
Your risk depends on length and fre-
quency of use. To reduce your risk of
this hazard, wear hearing protection.
5. MAINTAIN SAFETY GUARDS. Your
tool may be equipped with safety
guards or other structural compo-
nents designed to reduce the risk of
injury during operation. Never modify
or operate this tool with any guards or
components removed or damaged.
6. KEEP CHILDREN AWAY. Prevent
children from injury by keeping them
away from this tool. Disconnect and
lock the tool away when not in use.
Model H8211 Die Grinder Kit
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7. AVOID ENTANGLEMENTS. Do not
wear loose clothing, gloves, neck-
ties, rings, bracelets, or other jewel-
ry, which may get caught in moving
parts, when operating this tool. Wear
a protective hair covering to contain
long hair.
8. USE CORRECT AIR PRESSURE.
Exceeding the maximum PSI rating
of this tool may cause unpredictable
operation or bursting.
9. DISCONNECT AIR PRESSURE
before servicing, changing accesso-
ries, or moving to another location.
Never leave this tool unattended
when connected to air.
10. SECURE TOOLING. Always verify
tooling is secure before operation.
11. SHARP SURFACES. DO NOT
place hands near the tooling sur-
faces when in operation.
12. REMOVE ADJUSTING KEYS AND
WRENCHES AFTER USE. These
tools become dangerous projectiles
if left on the tool when it is started.
13. AVOID FLAMMABLES. Do not use
this tool around any flammables that
may be ignited by sparks.
14. 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.
15. MAINTAIN TOOLS WITH CARE.
Keep tools lubricated and clean
for best and safest performance.
Follow instructions for lubricating
and changing accessories.
16. DO NOT FORCE TOOL. It will do
the job better and safer at the rate
for which it was designed.
17. CHECK FOR DAMAGED PARTS
BEFORE USING. Check for bind-
ing and alignment of parts, broken
parts, part mounting, loose bolts,
and any other conditions that may
affect operation. Repair or replace
damaged parts before operating.
18. USE GOOD LIGHTING. Keep work
area well lighted. Dark work areas
increase risk of accidental injury.
19. AVOID
UNINTENTIONAL
OPERATION. Always disconnect air
when not in use, and do not carry
tool with hand on trigger.
20. USE
THE
RECOMMENDED
ACCESSORIES. Consult owner’s
manual for recommended acces-
sories. Using improper accessories
may increase the risk of injury.
21. NEVER ALLOW UNTRAINED
USERS TO USE THIS TOOL WHILE
UNSUPERVISED.
22. IF YOU ARE UNSURE OF THE
INTENDED OPERATION, STOP
USING TOOL. Seek formal training
or research books or magazines that
specialize in pneumatic tools.
23. BE AWARE OF HOSE LOCATION.
Hoses can easily become a tripping
hazard when laid across the floor in
a disorganized fashion.
24. DO NOT USE UNDER THE
INFLUENCE OF DRUGS OR
ALCOHOL, OR WHEN TIRED.
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Model H8211 Die Grinder Kit
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INTRODUCTION
Foreword
Specifications
Collet Size..................................1⁄8" and 1⁄4
"
The specifications, details, and photo-
graphs in this manual represent the Model
H8211 as supplied when the manual was
prepared. However, owing to Grizzly’s pol-
icy of continuous improvement, changes
may be made at any time with no obliga-
tion on the part of Grizzly.
No Load Speed.......................22,000 RPM
Air Consumption...............................4 CFM
Air Inlet.....................................................1⁄4
"
Required PSI.....................................90 PSI
Maximum Sound Level...................93.8 dB
Inventory
If you have any comments regarding this
manual, please write to us at the following
address:
H8211 Inventory
Qty
Grizzly Industrial, Inc.
C/O Technical Documentation
P.O. Box 2069
Bellingham, WA 98227-2069
E-Mail: [email protected]
A. Case....................................................1
1
B.
/4" Mini Die Grinder............................1
C. Grinding Stones................................10
1
D.
E.
/
/
4" NPT Male Air Fitting......................1
8" Collet.............................................1
1
F. Wrenches............................................2
Most importantly, we stand behind our
tools. If you have any service questions or
parts requests, please call or write us at
the location listed below.
A
B
Grizzly Industrial, Inc.
1203 Lycoming Mall Circle
Muncy, PA 17756
E
D
Phone: (570) 546-9663
Fax: (800) 438-5901
C
F
E-Mail: [email protected]
Figure 1. Model H8211 Inventory.
Model H8211 Die Grinder Kit
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OPERATIONS
To install a bit:
1. DISCONNECT THE GRINDER FROM
THE AIR SUPPLY!
2. Use the two included wrenches to loos-
en the collet nut, as shown in Figure
2.
Note: It is not necessary to com-
pletely remove the collet nut from the
shaft unless you are also changing the
collet.
Read the manual before operation.
Become familiar with this tool, its
safety instructions, and its operation
before beginning any work. Serious
personal injury may result if safety
or operational information is not
understood or followed.
Collet Nut
Installing Bits
The Model H8211 uses grinding stones and
1
1
cutters with a /4" and /8" diameter shaft.
See the Grizzly catalog or www.grizzly.
com for a complete listing of available bits
and accessories.
Figure 2. Loosening the collet.
1
3. Insert at least
⁄2" of the bit into the
collet.
4. Hand tighten the collet nut, then use
the collet wrenches to tighten the collet
nut. Verify that the tooling bit is secure
and will not pull out.
DO NOT use bits or cutters with a
cutting diameter larger than 1". The
bit or cutter could break apart under
the stresses of high speed use,
causing serious personal injury.
Like all tools there is potential danger
when operating this tool. Accidents
are frequently caused by lack of
familiarity or failure to pay attention.
If normal safety precautions are
overlooked or ignored, serious
personal injury may occur.
-4-
Model H8211 Die Grinder Kit
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The Model H8211 Grinder kit is equipped
1
1
with
/
4" and
/8" collets for the included
grinding stones.
LUNG/EAR
INJURY HAZARD!
Wear protective
equipment when
using this tool.
To change a collet:
1. DISCONNECT THE GRINDER FROM
THE AIR SUPPLY.
ACCIDENTAL
START HAZARD!
Disconnect before
service or tool
changes.
2. Remove the collect nut from the grind-
er.
3. Using needlenose pliers, remove the
AIR PRESSURE
HAZARD!
collet from the shaft.
Never exceed max
PSI rating for tool.
4. Insert the desired collet and tighten the
collet nut with the included wrenches.
EYE INJURY
HAZARD!
Wear protective
equipment when
using this tool.
Using the Grinder
Always test the grinder on a scrap piece
of material similar to the workpiece. Trial
and error is the best way to determine the
ideal setup.
Daily Maintenance
To use the grinder:
The die grinder MUST have 2-6 drops of oil
directly dropped into the air fitting before
each use. In addition, we recommend using
an in-line filter, lubricator, and regulator, as
shown in Figure 3.
1. Attach the 1/4" NPT male quick connect
fitting to the air inlet plug.
2. Attach the grinder to an air supply set
at 90 PSI.
Quick
Connector
Quick
Connector
Lubricator
Regulator
3. Hold the grinder securely.
Your
Tool
Air
Compressor
Quick
Coupler
4. Turn the grinder ON by depressing the
Quick
Coupler
trigger.
Air Hose
Filter
5. Securely holding the grinder, ease the
working end of the bit against the
workpiece with a light, but steady, pres-
sure.
Figure 3. Installed filter lubricator
regulator.
These procedures should be done after
each use:
6. To turn the grinder OFF, release the
trigger.
•
Wipe the motor housing and tool bits
with a dry cloth, or blow off the dust and
debris with compressed air.
7. To avoid accidental starting, discon-
nect the grinder from the air supply
when it is not in use.
•
Check for damage to tooling, hoses,
housing or other accessories.
-5-
Model H8211 Die Grinder Kit
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H8211 PARTS LIST
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REF PART #
DESCRIPTION
REF PART #
DESCRIPTION
1
2
3
4
5
6
7
8
9
PH8211001 HOUSING
PH8211002 VALVE BUSHING
PH8211003 TRIGGER
PH8211004 TRIGGER THROTTLE
PH8211005 TORSION SPRING
PH8211006 ROLL PIN 1.5 X 20
25 PH8211025 SPECIAL WASHER
26 PH8211026 FRONT PLATE
27 PH8211027 STEEL PIN 2 X 6
28 P6000
BALL BEARING 6000ZZ
29 PH8211029 CHUCK SEAT
30 PH8211030 LOCK RING
31 PH8211031 PROTECTING RUBBER
32 PH8211032 1/4" COLLET
33 PH8211033 COLLET NUT
34 PH8211034 WRENCH
PRP43M
ROLL PIN 3 X 22
PORP005 O-RING 4.8 X 1.9 P5
PORP006 O-RING 5.8 X 1.9 P6
10 PH8211010 VALVE STEM
11 PH8211011 COMPRESSION SPRING
12 PH8211012 AIR REGULATOR
13 PORP007 O-RING 6.8 X 1.9 P7
14 POR00016 O-RING 12 X 3
15 PH8211015 SCREW CAP
35 PH8211035 1/8" COLLET
36 PH8211036 1/4" NPT MALE AIR FITTING
37 PH8211037 O-RING KIT
38 PH8211038 PINK MUSHROOM 1/8"
39 PH8211039 GRAY MUSHROOM 1/8"
40 PH8211040 GRAY BULLET 1/8"
41 PH8211041 WHITE BALL 1/8"
42 PH8211042 WHITE CYLINDER 1/8"
43 PH8211043 GRAY CONE 1/4"
44 PH8211044 GRAY CROWN 1/4"
45 PH8211045 GRAY BULLET 1/4"
46 PH8211046 WHITE BALL 1/4"
47 PH8211047 PINK CYLINDER 1/4"
16 PH8211016 MUFFLE COVER
17 PH8211017 AIR INLET
18 P626
BALL BEARING 626
19 PH8211019 END PLATE
20 PH8211020 STEEL BALL
21 PH8211021 ROTOR
22 PH8211022 ROTOR BLADE
23 PH8211023 CYLINDER
24 PH8211024 BUSHING
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