Grizzly Grinder H8211 User Manual

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  
-1-  
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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.  
-2-  
Model H8211 Die Grinder Kit  
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INTRODUCTION  
Foreword  
Specifications  
Collet Size..................................18" and 14  
"
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.....................................................14  
"
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  
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
Figure 1. Model H8211 Inventory.  
Model H8211 Die Grinder Kit  
-3-  
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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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