Grizzly H8211 User 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
MODEL H8211
14 PIECE DIE GRINDER KIT
INSTRUCTION MANUAL
Model H8211 Die Grinder Kit -1-
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.
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 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.
Indicates a potentially hazardous situation which, if
not avoided, COULD result in death or serious injury.
Indicates an imminently hazardous situation which,
if not avoided, WILL result in death or serious injury.
This symbol is used to alert the user to useful
information about proper operation of the equipment.
SAFETY
NOTICE
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-2-
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.
Model H8211 Die Grinder Kit -3-
INTRODUCTION
H8211 Inventory Qty
A. Case....................................................1
B. 1/4" Mini Die Grinder............................1
C. Grinding Stones................................10
D. 1/4" NPT Male Air Fitting......................1
E. 1/8" Collet.............................................1
F. Wrenches............................................2
Collet Size..................................1⁄8" and 1⁄4"
No Load Speed.......................22,000 RPM
Air Consumption...............................4 CFM
Air Inlet.....................................................1⁄4"
Required PSI.....................................90 PSI
Maximum Sound Level...................93.8 dB
Specifications
Foreword
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.
If you have any comments regarding this
manual, please write to us at the following
address:
Grizzly Industrial, Inc.
C/O Technical Documentation
P.O. Box 2069
Bellingham, WA 98227-2069
E-Mail: manuals@grizzly.com
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.
Grizzly Industrial, Inc.
1203 Lycoming Mall Circle
Muncy, PA 17756
Phone: (570) 546-9663
Fax: (800) 438-5901
E-Mail: techsupport@grizzly.com
Web Site: http://www.grizzly.com Figure 1. Model H8211 Inventory.
A
D
C
B
E
F
Inventory
Model H8211 Die Grinder Kit-4-
OPERATIONS
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.
Installing Bits
The Model H8211 uses grinding stones and
cutters with a 1/4" and 1/8" diameter shaft.
See the Grizzly catalog or www.grizzly.
com for a complete listing of available bits
and accessories.
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.
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.
3. Insert at least 1⁄2" 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.
Figure 2. Loosening the collet.
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.
Collet Nut
Model H8211 Die Grinder Kit -5-
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.
To use the grinder:
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.
3. Hold the grinder securely.
4. Turn the grinder ON by depressing the
trigger.
5. Securely holding the grinder, ease the
working end of the bit against the
workpiece with a light, but steady, pres-
sure.
6. To turn the grinder OFF, release the
trigger.
7. To avoid accidental starting, discon-
nect the grinder from the air supply
when it is not in use.
Daily Maintenance
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.
Quick
Connector
Quick
Coupler
Air Hose Quick
Coupler
Quick
Connector
Lubricator
Filter
Regulator
Air
Compressor
Your
Tool
Figure 3. Installed filter lubricator
regulator.
ACCIDENTAL
START HAZARD!
Disconnect before
service or tool
changes.
AIR PRESSURE
HAZARD!
Never exceed max
PSI rating for tool.
LUNG/EAR
INJURY HAZARD!
Wear protective
equipment when
using this tool.
EYE INJURY
HAZARD!
Wear protective
equipment when
using this tool.
The Model H8211 Grinder kit is equipped
with 1/4" and 1/8" collets for the included
grinding stones.
To change a collet:
1. DISCONNECT THE GRINDER FROM
THE AIR SUPPLY.
2. Remove the collect nut from the grind-
er.
3. Using needlenose pliers, remove the
collet from the shaft.
4. Insert the desired collet and tighten the
collet nut with the included wrenches.
These procedures should be done after
each use:
• Wipe the motor housing and tool bits
with a dry cloth, or blow off the dust and
debris with compressed air.
• Check for damage to tooling, hoses,
housing or other accessories.
H8211 PARTS LIST
REF PART # DESCRIPTION REF PART # DESCRIPTION
1 PH8211001 HOUSING 25 PH8211025 SPECIAL WASHER
2 PH8211002 VALVE BUSHING 26 PH8211026 FRONT PLATE
3 PH8211003 TRIGGER 27 PH8211027 STEEL PIN 2 X 6
4 PH8211004 TRIGGER THROTTLE 28 P6000 BALL BEARING 6000ZZ
5 PH8211005 TORSION SPRING 29 PH8211029 CHUCK SEAT
6 PH8211006 ROLL PIN 1.5 X 20 30 PH8211030 LOCK RING
7 PRP43M ROLL PIN 3 X 22 31 PH8211031 PROTECTING RUBBER
8 PORP005 O-RING 4.8 X 1.9 P5 32 PH8211032 1/4" COLLET
9 PORP006 O-RING 5.8 X 1.9 P6 33 PH8211033 COLLET NUT
10 PH8211010 VALVE STEM 34 PH8211034 WRENCH
11 PH8211011 COMPRESSION SPRING 35 PH8211035 1/8" COLLET
12 PH8211012 AIR REGULATOR 36 PH8211036 1/4" NPT MALE AIR FITTING
13 PORP007 O-RING 6.8 X 1.9 P7 37 PH8211037 O-RING KIT
14 POR00016 O-RING 12 X 3 38 PH8211038 PINK MUSHROOM 1/8"
15 PH8211015 SCREW CAP 39 PH8211039 GRAY MUSHROOM 1/8"
16 PH8211016 MUFFLE COVER 40 PH8211040 GRAY BULLET 1/8"
17 PH8211017 AIR INLET 41 PH8211041 WHITE BALL 1/8"
18 P626 BALL BEARING 626 42 PH8211042 WHITE CYLINDER 1/8"
19 PH8211019 END PLATE 43 PH8211043 GRAY CONE 1/4"
20 PH8211020 STEEL BALL 44 PH8211044 GRAY CROWN 1/4"
21 PH8211021 ROTOR 45 PH8211045 GRAY BULLET 1/4"
22 PH8211022 ROTOR BLADE 46 PH8211046 WHITE BALL 1/4"
23 PH8211023 CYLINDER 47 PH8211047 PINK CYLINDER 1/4"
24 PH8211024 BUSHING
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