Grizzly Grinder H8216 User Manual

MODEL H8216  
1
4" ANGLE DIE GRINDER  
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.  
#JM9858 PRINTED IN CHINA  
 
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 H8216 1/4" Angle Die Grinder  
-1-  
 
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.  
No list of safety guidelines is complete, because every work environment is  
different. Always consider safety first and use common sense. Failure to use this  
tool with caution and respect could result in serious personal injury.  
-2-  
Model H8216 1/4" Angle Die Grinder  
 
INTRODUCTION  
Foreword  
Specifications  
The  
specifications,  
details,  
and  
Collet Size...............................................14  
"
photographs in this manual represent  
the Model H8216 as supplied when the  
manual was prepared. However, owing to  
Grizzly’s policy of continuous improvement,  
changes may be made at any time with no  
obligation on the part of Grizzly.  
No Load Speed.......................20,000 RPM  
Air Consumption...............................3 CFM  
Air Inlet.....................................................14  
"
Required PSI.....................................90 PSI  
Maximum Sound Level......................94 dB  
Inventory  
If you have any comments regarding this  
manual, please write to us at the following  
address:  
H8216 Inventory  
Qty  
A. Machine Oil Bottle..............................1  
Grizzly Industrial, Inc.  
C/O Technical Documentation  
P.O. Box 2069  
1
B.  
C.  
/
/
4" Angle Die Grinder.........................1  
4" NPT Male Quick Connect Fitting..1  
1
D. Wrench 12mm....................................1  
E. Wrench 17mm....................................1  
Bellingham, WA 98227-2069  
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  
C
E
D
Phone: (570) 546-9663  
Fax: (800) 438-5901  
Figure 1. Model H8216 Inventory.  
Model H8216 1/4" Angle Die Grinder  
-3-  
 
OPERATIONS  
Installing Bits  
The Model H8216 uses bits and cutters  
with a 1/4" diameter shank. See the Grizzly  
catalog or www.grizzly.com for a complete  
listing of available bits and accessories.  
To install a bit:  
1. DISCONNECT THE GRINDER FROM  
THE AIR SUPPLY!  
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.  
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.  
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.  
Figure 2. Loosening the collet.  
1
3. Insert at least 2" of the bit shank into  
the collet.  
4. Hand tighten the collet nut, then use  
the collet wrenches to fully tighten.  
Verify that the tooling bit is secure and  
will not pull out.  
-4-  
Model H8216 1/4" Angle Die Grinder  
 
Using the Grinder  
Always test the tooling bit on a scrap piece  
of material similar to the workpiece. Trial  
and error is the best way to determine the  
ideal setup.  
LUNG/EAR  
INJURY HAZARD!  
Wear protective  
equipment when  
using this tool.  
To use the grinder:  
ACCIDENTAL  
START HAZARD!  
Disconnect before  
service or tool  
changes.  
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.  
AIR PRESSURE  
HAZARD!  
Never exceed 120  
PSI  
3. Hold the grinder securely.  
4. Using the trigger to control RPM, ease  
the working end of the bit against the  
workpiece with a light, but steady, pres-  
sure.  
EYE INJURY  
HAZARD!  
Wear protective  
equipment when  
using this tool.  
For improved lubrication to extend the life  
span of your die grinder, we recommend  
using an in-line filter, lubricator, and  
regulator, as shown in Figure 4.  
To avoid accidental starting,  
disconnect the grinder from the air  
supply when it is not in use.  
Daily Maintenance  
Drop 2-6 drops of air tool oil directly into  
the air fitting before using the die grinder.  
In addition, drip 2-6 drops of oil directly  
into the ball oiler located in the angle  
housing, as shown in Figure 3.  
Quick  
Connector  
Quick  
Connector  
Lubricator  
Regulator  
Your  
Tool  
Air  
Compressor  
Quick  
Coupler  
Quick  
Coupler  
Air Hose  
Filter  
Figure 4. Installed filter lubricator  
regulator.  
Ball Oiler  
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.  
Figure 3. Ball oiler location.  
Relubricate with 2-6 drops of oil before  
storage.  
Model H8216 1/4" Angle Die Grinder  
-5-  
 
H8216 PARTS LIST  
 
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REF PART #  
DESCRIPTION  
REF PART #  
DESCRIPTION  
1
2
3
4
5
6
7
8
9
PH8216001 HOUSING  
PH8216002 VALVE STEM SEAT  
PH8216003 TRIGGER  
PH8216004 TRIGGER THROTTLE  
PH8216005 TORSION SPRING  
PH8216006 TRIGGER RING  
PH8216007 ROLL PIN 1.5 X 20  
24 PH8216024 CYLINDER  
25 PH8216025 WASHER  
26 PH8216026 BUSHING  
27 PH8216027 FRONT PLATE  
28 PRP54M  
29 P608A  
ROLL PIN 1.5 X 4  
BALL BEARING 608  
30 PH8216030 GEAR  
PRP16M  
PORS004  
ROLL PIN 3 X 25  
O-RING 3.5 X 1.5 S4  
O-RING 4 X 2  
31 PH8216031 RETAINER RING  
32 PH8216032 SCREW CAP  
33 PH8216033 ANGLE HOUSING  
34 PH8216034 BALL OILER  
10 POR0004  
11 PH8216011 VALVE STEM  
12 PH8216012 COMPRESSION SPRING  
13 PH8216013 AIR REGULATOR  
35 PH8216035 BALL BEARING R4  
36 PH8216036 GEAR  
14 PORP007  
15 PORP011-2 O-RING 11 X 2.4 P11.2  
16 PH8216016 SCREW CAP  
17 PH8216017 MUFFLE COVER  
18 PH8216018 AIR INLET PLUG  
19 P625  
20 PH8216020 END PLATE  
21 PH8216021 BOLT M2-.4 X 6  
22 PH8216022 ROTOR  
O-RING 6.8 X 1.9 P7  
37 PH8216037 THREADED RING  
38 PH8216038 ROTATION AXIS  
39 PH8216039 SEMICIRCULAR KEY  
40 PH8216040 COLLET 1/4"  
41 PH8216041 COLLET NUT  
42 PH8216042 FLAT WRENCH 12MM  
43 PH8216043 FLAT WRENCH 17MM  
44 PH8216044 1/4" NPT MALE FITTING  
45 PH8216045 O-RING KIT  
BALL BEARING 625ZZ  
23 PH8216023 ROTOR BLADE  
 

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