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
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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 H8216 1/4" Angle Die Grinder
-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.
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
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INTRODUCTION
Foreword
Specifications
The
specifications,
details,
and
Collet Size...............................................1⁄4
"
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.....................................................1⁄4
"
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
E-Mail: [email protected]
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
E-Mail: [email protected]
Figure 1. Model H8216 Inventory.
Model H8216 1/4" Angle Die Grinder
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OPERATIONS
Installing Bits
The Model H8216 uses bits and cutters
with a 1/4" diameter shank. See the Grizzly
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-
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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
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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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