Grizzly Grinder H4380 User Manual

8" BUFFER  
MODEL H4380  
INSTRUCTION MANUAL  
COPYRIGHT © APRIL, 2002 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.  
PRINTED IN CHINA.  
ONLINE MANUAL DISCLAIMER  
THE INFORMATION IN THIS MANUAL REPRESENTS THE CONFIGURATION OF THE MACHINE AS IT IS CURRENTLY BEING SHIPPED. THE  
MACHINE CONFIGURATION CAN CHANGE AS PRODUCT IMPROVEMENTS ARE INCORPORATED. IF YOU OWN AN EARLIER VERSION OF THE  
MACHINE, THIS MANUAL MAY NOT EXACTLY DEPICT YOUR MACHINE. CONTACT CUSTOMER SERVICE IF YOU HAVE ANY QUESTIONS  
ABOUT DIFFERENCES. PREVIOUS VERSIONS ARE NOT AVAILABLE ONLINE.  
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Table Of Contents  
PAGE  
1. SAFETY  
SAFETY RULES FOR POWER TOOLS ..............................................................2-3  
ADDITIONAL SAFETY INSTRUCTIONS FOR BUFFERS ......................................4  
2. CIRCUIT REQUIREMENTS  
110V OPERATION ..................................................................................................5  
EXTENSION CORDS ..............................................................................................5  
GROUNDING ..........................................................................................................5  
3. INTRODUCTION  
COMMENTARY........................................................................................................6  
UNPACKING ............................................................................................................7  
MOUNTING ..............................................................................................................7  
4. OPERATIONS  
TEST RUN................................................................................................................8  
GENERAL ................................................................................................................8  
BUFFING & POLISHING..........................................................................................9  
WHEEL REMOVAL ..................................................................................................9  
BUFFING WHEEL SELECTION ............................................................................10  
BUFFING COMPOUND SELECTION....................................................................10  
BUFFING TIPS ......................................................................................................11  
5. MAINTENANCE  
LUBRICATION........................................................................................................12  
MISCELLANEOUS ................................................................................................12  
6. CLOSURE ....................................................................................................................13  
MACHINE DATA................................................................................................................14  
PARTS BREAKDOWN AND PARTS LIST ......................................................................15  
WARRANTY AND RETURNS ..........................................................................................16  
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SECTION 1: 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 information about  
proper operation of the equipment.  
NOTICE  
Safety Instructions For Power Tools  
1. KEEP GUARDS IN PLACE and in working  
5. KEEP CHILDREN AND VISITORS  
AWAY. All children and visitors should be  
kept a safe distance from work area.  
order.  
2. REMOVE ADJUSTING KEYS AND  
WRENCHES. Form habit of checking to  
see that keys and adjusting wrenches are  
removed from tool before turning on.  
6. MAKE WORKSHOP CHILD PROOF with  
padlocks, master switches, or by removing  
starter keys.  
3. KEEP WORK AREA CLEAN. Cluttered  
7. DO NOT FORCE TOOL. It will do the job  
better and safer at the rate for which it was  
designed.  
areas and benches invite accidents.  
4. DO NOT USE IN DANGEROUS ENVI-  
RONMENT. Do not use power tools in  
damp or wet locations, or where any flam-  
mable or noxious fumes may exist. Keep  
work area well lighted.  
8. USE RIGHT TOOL. Do not force tool or  
attachment to do a job for which it was not  
designed.  
-2-  
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Safety Instructions For Power Tools  
9. USE PROPER EXTENSION CORD. Make  
sure your extension cord is in good condi-  
tion. Conductor size should be in accor-  
dance with the chart below. The amperage  
rating should be listed on the motor or tool  
nameplate. An undersized cord will cause  
a drop in line voltage resulting in loss of  
power and overheating. Your extension  
cord must also contain a ground wire and  
plug pin. Always repair or replace exten-  
sion cords if they become damaged.  
16. REDUCE THE RISK OF UNINTENTION-  
AL STARTING. On machines with magnet-  
ic contact starting switches there is a risk of  
starting if the machine is bumped or jarred.  
Always disconnect from power source  
before adjusting or servicing. Make sure  
switch is in OFF position before reconnecting.  
17. MANY WOODWORKING TOOLS CAN  
“KICKBACK” THE WORKPIECE toward the  
operator if not handled properly. Know what  
conditions can create “kickback” and know  
how to avoid them. Read the manual accom-  
panying the machine thoroughly.  
Minimum Gauge for Extension Cords  
LENGTH  
AMP RATING  
0-6  
25ft  
18  
18  
16  
14  
12  
10  
50ft 100ft  
18. CHECK DAMAGED PARTS. Before fur-  
ther use of the tool, a guard or other part  
that is damaged should be carefully  
checked to determine that it will operate  
properly and perform its intended function.  
Check for alignment of moving parts, bind-  
ing of moving parts, breakage of parts,  
mounting, and any other conditions that  
may affect its operation. A guard or other  
part that is damaged should be properly  
repaired or replaced.  
16  
16  
16  
12  
12  
10  
16  
14  
14  
12  
10  
No  
7-10  
11-12  
13-16  
17-20  
21-30  
10. WEAR PROPER APPAREL. Do not wear  
loose clothing, gloves, neckties, rings,  
bracelets, or other jewelry which may get  
caught in moving parts. Non-slip footwear  
is recommended. Wear protective hair cov-  
ering to contain long hair.  
19. NEVER LEAVE TOOL RUNNING UNAT-  
TENDED. TURN POWER OFF. Do not  
leave tool until it comes to a complete stop.  
11. ALWAYS USE SAFETY GLASSES. Also  
use face or dust mask if cutting operation is  
dusty. Everyday eyeglasses only have impact  
resistant lenses, they are NOT safety glasses.  
20. NEVER OPERATE A MACHINE WHEN  
TIRED, OR UNDER THE INFLUENCE OF  
DRUGS OR ALCOHOL. Full mental alert-  
ness is required at all times when running a  
machine.  
12. 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.  
21. NEVER ALLOW UNSUPERVISED OR  
UNTRAINED PERSONNEL TO OPER-  
ATE THE MACHINE. Make sure any  
instructions you give in regards to machine  
operation are approved, correct, safe, and  
clearly understood.  
13. DO NOT OVER-REACH. Keep proper  
footing and balance at all times.  
14. MAINTAIN TOOLS WITH CARE. Keep  
tools sharp and clean for best and safest  
performance. Follow instructions for lubri-  
cating and changing accessories.  
22. IF AT ANY TIME YOU ARE EXPERIENC-  
ING DIFFICULTIES performing the intend-  
ed operation, stop using the machine! Then  
contact our service department or ask a  
qualified expert how the operation should  
be performed.  
15. USE RECOMMENDED ACCESSORIES.  
Consult the owner’s manual for recom-  
mended accessories. The use of improper  
accessories may cause risk of injury.  
H4380 Buffer  
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Additional Safety Instructions For Buffers  
7. DO NOT allow your hands to come into  
contact with buffing wheels during opera-  
tion. Abrasive accessories have the abil-  
ity to remove a lot of material, including  
skin, very quickly.  
1. ALWAYS WEAR EYE PROTECTION!  
2. WEAR AN APPROVED DUST MASK  
OR RESPIRATOR. Buffing operations  
produce dust.  
8. ANY PROBLEM concerned with any  
moving parts or accessories must be  
investigated and corrected with the  
power disconnected, and after everything  
has come to a complete stop.  
3. MAKE SURE BUFFER IS SECURED  
FIRMLY TO A BENCH OR STAND  
BEFORE USE. Any “wobbles” must be  
corrected by shimming or blocking before  
operation.  
9. NEVER leave the machine running unat-  
4. DO NOT USE GRINDING WHEELS ON  
THIS MACHINE. It is strictly designed for  
buffing and drum sanding only.  
tended.  
10. NEVER BUFF BY PLACING THE  
WORKPIECE ON TOP OF THE BUFF-  
ING WHEEL. The wheel may kick the  
workpiece toward the operator. Always  
buff on the downward part of the buffing  
wheel.  
5. DO NOT stand directly in front of buffing  
or sanding accessories when turning  
machine on.  
6. PERFORM machine inspections and  
maintenance service promptly when  
called for.  
11. HOLD THE WORKPIECE FIRMLY  
WHILE BUFFING.  
To operate this or any power tool safely and  
efficiently, it is essential to become as famil-  
iar with it as possible. The time you invest  
before you begin to use your Model H4380  
will be time well spent. DO NOT operate this  
machine until you are completely familiar  
with the contents of this manual or serious  
personal injury may occur.  
No list of safety guidelines can be com-  
plete. Every shop environment is different.  
Always consider safety first, as it applies to  
your individual working conditions. Use  
this and other machinery with caution and  
respect. Failure to follow guidelines could  
result in serious personal injury, damage to  
equipment or poor work results.  
-4-  
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SECTION 2: CIRCUIT REQUIREMENTS  
110V Operation  
This equipment must be  
grounded. Verify that any  
1
The Model H4380 is wired for 110V. The 2 H.P.  
existing electrical outlet  
motor will safely draw 3.5 amps at 110V. If you  
and circuit you intend to  
plug into is actually  
grounded. Under no cir-  
cumstances should the  
grounding pin from any  
three-pronged plug be  
operate this machine on any circuit that is already  
close to its capacity, it might blow a fuse or trip a  
circuit breaker. However, if an unusual load does  
not exist and a power failure still occurs, contact a  
qualified electrician or our service department.  
removed. Serious injury  
may occur.  
A 10 amp circuit should be used with this buffer.  
Always check to see if your current wires are  
capable of handling a 10 amp load. If you are  
unsure, consult the advice of a qualified electri-  
cian.  
Extension Cords  
If you find it necessary to use an extension cord  
with the Model H4380, make sure the cord is  
rated Hard Service (grade S) or better. Refer to  
the chart in the standard safety instructions to  
determine the minimum gauge for the extension  
cord. The extension cord must also contain a  
ground wire and plug pin. Always repair or replace  
extension cords when they become worn or dam-  
aged.  
Figure 1A. Do not remove grounding pin.  
Grounding  
In the event of an electrical short, grounding  
reduces the risk of electric shock by providing  
electric current a path of least resistance. This  
tool is equipped with a power cord having an  
equipment-grounding conductor. See Figure 1B.  
The outlet must be properly installed and ground-  
ed in accordance with all local codes and ordi-  
nances.  
Figure 1B. Typical 110V plug and outlet.  
H4380 Buffer  
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SECTION 3: INTRODUCTION  
Most importantly, we stand behind our machines.  
Commentary  
If you have any service questions or parts  
requests, please call or write us at the location  
listed below:  
We are proud to offer the Grizzly Model H4380 8"  
Buffer. The Model H4380 is part of a growing  
Grizzly family of fine woodworking machinery.  
When used according to the guidelines set forth in  
this manual, you can expect years of trouble-free,  
enjoyable operation and proof of Grizzly’s com-  
mitment to customer satisfaction.  
Grizzly Industrial, Inc.  
1203 Lycoming Mall Circle  
Muncy, PA 17756  
Phone: (570) 546-9663  
Fax: (800) 438-5901  
1
The Model H4380 offers a 2 HP, 3450 RPM,  
The specifications, drawings, and photographs  
illustrated in this manual represent the Model  
H4380 as supplied when the manual was pre-  
pared. However, owing to Grizzly’s policy of con-  
tinuous improvement, changes may be made at  
any time with no obligation on the part of Grizzly.  
Whenever possible, though, we send manual  
updates to all owners of a particular tool or  
machine. Should you receive one, we urge you to  
insert the new information with the old and keep it  
for reference.  
110V motor. A number of buffing wheels for the  
Model H4380 are available through the Grizzly  
catalog.  
We are also pleased to provide this manual with  
the Model H4380. It was written to guide you  
through assembly, review safety considerations,  
and cover general operating procedures. It repre-  
sents our effort to produce the best documenta-  
tion possible. If you have any comments regard-  
ing this manual, please write to us at the address  
below:  
Grizzly Industrial, Inc.  
Technical Documentation  
P.O. Box 2069  
C
/O  
Read the manual before  
assembly and opera-  
tion. Become familiar  
with the machine and its  
operation before begin-  
ning any work. Serious  
personal injury may  
result if safety or opera-  
tional information is not  
understood or followed.  
Bellingham, WA 98227-2069  
-6-  
H4380 Buffer  
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Unpacking  
Mounting  
The Model H4380 is shipped from the manufac-  
turer in a carefully packed carton. If you discover  
the machine is damaged after you have signed  
for delivery, immediately call Customer Service  
for advice.  
The Model H4380 weighs approximately 17 lbs.  
Make sure the workbench on which you plan to  
mount the buffer is sturdy enough to hold the  
weight of the machine. The workbench should  
have a level surface and be heavy, or attached to  
the floor, so it will not move during operation. To  
mount the buffer:  
When you are completely satisfied with the con-  
dition of your shipment, you should inventory its  
parts.  
1. Pick a spot on the workbench that will allow  
enough room to move the size of an antici-  
pated workpiece around the buffer. The oper-  
ator (and possibly bystanders) should have  
enough room to stand out of the way in an  
emergency.  
Some metal parts may  
have sharp edges on  
them after they are  
formed. Please examine  
the edges of all metal  
parts before handling  
them. Failure to do so  
could result in injury.  
2. Mount the buffer to the workbench with bolts  
that are long enough to exceed the thickness  
of your workbench and the buffer base.  
Secure these bolts with a flat washers, a lock  
washer and a hex nut. Because sizes vary for  
each individual situation, the hardware in this  
step is not included with the Model H4380.  
3. Mount the buffer in an area with proper light-  
ing and near electrical outlets. Lighting  
should be bright enough to eliminate shadow  
and prevent eye strain. Electrical circuits  
should be dedicated or large enough to han-  
dle amperage requirements. Keep power or  
extension cords clear of high-traffic areas.  
Observe local electrical codes for proper  
installation of new lighting, outlets, or circuits.  
Piece Inventory  
After all the parts have been removed from the  
carton, you should have:  
• Buffing Unit  
• Wheel Flanges (4)  
• Arbor Nuts (2)  
Make your shop “child safe.”  
Ensure that your workplace  
is inaccessible to children  
by closing and locking all  
entrances when you are  
away. Never allow visitors in  
your shop when assembling,  
adjusting, or operating  
equipment.  
NOTICE  
A full parts list and breakdown can be found  
toward the end of this manual. For easier  
assembly, or to identify specific parts,  
please refer to the detailed illustrations at  
the end of the manual.  
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SECTION 6: OPERATIONS  
Test Run  
Keep loose clothing  
rolled up and out of the  
way of machinery and  
keep hair pulled back.  
Once mounting is complete and adjustments are  
done to your satisfaction, you are ready to test  
the machine. Before testing, remove the flanges  
and shaft nuts from the arbor. Facing the  
machine, the left-hand nut has left-handed  
threads (remove by turning clockwise) and the  
right-hand nut has right-handed threads (remove  
by turning counterclockwise).  
Disconnect power to the  
machine when perform-  
ing any maintenance,  
!
assembly  
or  
adjust-  
Plug in the power and turn the buffer ON. Make  
sure that your hand is poised near the switch in  
case there is a problem. The buffer should run  
smoothly with little or no vibration or rubbing nois-  
es. Strange or unnatural noises should be inves-  
tigated and corrected before operating the  
machine further.  
ments. Failure to do this  
may result in serious per-  
sonal injury.  
Wear safety glasses dur-  
ing the entire operation  
process. Failure to com-  
ply may result in serious  
personal injury.  
If you cannot easily locate the source of an  
unusual noise or vibration, feel free to contact our  
service department for help.  
Using this machine pro-  
duces sawdust which may  
cause allergic reactions  
and respiratory problems.  
Use an approved dust  
mask to protect yourself  
from these hazards!  
General  
The Model H4380 8" Buffer is strictly designed for  
buffing operations. IT IS NOT A GRINDER. The  
absence of grinding wheel guards prohibit the use  
of this machine as a grinder.  
NOTICE  
This buffer has a left and right shaft to provide the  
option of mounting two different buffing wheels,  
depending on your application. The convenience  
of having two shafts allows you to mount different  
textured buffing wheels onto each shaft.  
The following section was designed to give  
instructions on the basic operations of this  
buffer. However, it is in no way comprehen-  
sive of every buffer application. There are  
many different buffing wheels, compounds  
and attachments available for buffers. WE  
STRONGLY RECOMMEND that you read  
books, trade magazines, or get formal train-  
ing to maximize the potential of your  
machine.  
-8-  
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5. With both hands, firmly grasp the item to be  
polished. Lightly and evenly move the work-  
piece back and forth on the edge of the buff-  
ing wheel in the grayed in area shown in  
Figure 3. Be careful when polishing plated  
metals; there is a chance that the thin plated  
material may be damaged. A light pressure is  
all that is needed for quality work.  
Buffing & Polishing  
For buffing and polishing, Grizzly offers a broad  
line of buffing wheels and polishing compounds.  
Please refer to our current catalog for more infor-  
mation on these. To buff or polish with the buffer:  
1. Make sure the power cord is unplugged and  
5
remove the 8" hex nuts at the end of each  
shaft. Facing the machine, the left-hand shaft  
has left-handed threads. The right-hand shaft  
has right-handed threads.  
2. Sandwich a buffing wheel between the two  
wheel flanges provided and slide the assem-  
bly onto the shaft. Use only the wheel flanges  
supplied with this machine. The buffing  
assembly should look similar to Figure 2.  
Front  
Make  
Contact  
Here  
Figure 3. Illustrated from a side profile, shows  
the only portion of the wheel that should be used  
during buffing.  
Figure 2. Buffing wheels mounted.  
Wheel Removal  
3. Tighten the hex nut while holding the shaft  
with your other hand. The direction of the  
threads and motor rotation ensure that the  
nuts on both sides will not self loosen.  
To remove the buffing wheels, ensure that the  
switch is turned OFF and the power cord is dis-  
connected! Hold the shaft with one hand while  
loosening the nut with a wrench. Remember, the  
left-hand nut and shaft have left-handed threads.  
4. Plug the buffer into the power source. Select  
the appropriate stick of polishing compound  
for your application, turn ON the buffer and  
apply the compound to the rotating face of  
the wheel. Always wear safety glasses  
because particles of polishing compound or  
buffing wheel may fly off.  
Disconnect power to the  
!
machine when removing  
the wheels. Failure to do  
this may result in serious  
personal injury.  
DO NOT buff on the top of the wheel or the  
workpiece may be thrown back at you.  
Refer to Figure 3 before using your buffer.  
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Laminated Sisal  
Buffing Wheel  
Selection  
Designed for rough cut-  
ting, sisal works well  
with various steels,  
copper, aluminum and  
brass  
to  
remove  
Buffing wheels are available for most types of  
metals and for different stages in the buffing  
process. The following pictures and descriptions  
describe some of the more common wheel types:  
scratches and prepare  
the piece for polishing.  
Check with your current Grizzly catalog for avail-  
ability on any of these wheel types.  
Loose Muslin  
Soft  
feather-edged  
muslin stitched together  
near the center leaves  
the outer edge to pro-  
vide a wide angle, fine  
polishing  
surface.  
Buffing Compound  
Selection  
Perfect for polishing  
stainless steel, chrome,  
gold or silver.  
Airway Soft  
Most colors of abrasives have similar applica-  
tions, but always check with the manufacturer of  
your particular compound. Grizzly offers the fol-  
lowing compounds:  
Made of 100% cotton  
sheets and held togeth-  
er with a steel retainer.  
Pleats in the material  
help hold compound.  
These wheels are great  
for polishing soft metals  
and plastics.  
Red Rouge — Made for fine polishing on brass  
and gold. Provides an excellent shine when used  
with the loose muslin buffing wheel.  
Green (Extra Fine) — Great for extra-fine polish-  
ing on most metals to bring out that mirror finish.  
Works best with loose muslin and spiral sewn  
buffing wheels.  
Spiral Sewn  
Consist of layers of  
100% unbleached cot-  
ton sheeting that are  
1
spiral sewn 8" apart.  
White — Great for ivory, plastic and resins when  
used successively with the soft spiral sewn and  
soft airway buffing wheels.  
Works well for initial  
polish on brass, stain-  
less steel, aluminum,  
bronze and cast iron.  
Black — Designed to be used with sisal and air-  
way hard buffing wheels, this compound is perfect  
for the initial rough cut on stainless steel and iron.  
Airway Hard  
Made of 100% cotton  
sheets that are treated  
to stiffen the material.  
Pleats in the material  
help hold compound.  
These are great for  
rough cutting plastics  
and initial polishing a  
wide variety of metals.  
Tripoli — A true middle-of-the-road abrasive,  
Tripoli provides an excellent medium cut for  
brass, aluminum and zinc alloy.  
Green (Fine) — Slightly more abrasive than the  
extra fine green, this green compound is great for  
a medium to fine polish with most softer metals.  
-10-  
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Keep buffing wheels raked out before each  
use and when buildup gets heavy during use.  
“Raking” means to clean the buffing wheels  
with a wheel rake to remove buildup com-  
pounds and metal particles. An old rough-cut  
saw blade or a large hacksaw blade will also  
work as an alternative to a wheel rake.  
ALWAYS use light pressure when raking  
wheels!  
Buffing Tips  
Here are some quick tips for getting the most out  
of your buffer:  
Thoroughly clean all parts that you are plan-  
ning to buff. Any kind of dirt, oil, rust, paint or  
other film must be removed either chemically  
or sprayed off with water. Make sure to dry off  
parts with a rag after cleaning.  
Do not mix two different compounds on the  
same wheel. For best results, use a separate  
wheel for each compound.  
Apply buffing compounds in small amounts at  
a time. While the machine is running, press  
the compound on the wheel for a couple of  
seconds. Avoid using too much compound.  
Use an upward stroke with heavy to moder-  
ate pressure for cutting. Use a downward  
stroke with light to pressure for polishing. See  
Figure 5.  
Put your workpiece under the wheel when  
you are loading the compound on the buffing  
wheel. This way, you will catch any com-  
pound that would normally be wasted on the  
floor.  
Downward  
to Polish  
Only use the area grayed-out in Figure 4 to  
do the actual buffing. Contacting the work-  
piece on areas outside of the grayed out area  
may flip the workpiece out of your hands.  
Upward  
to Cut  
Front  
Figure 5. Cutting and Polishing strokes.  
Wear safety equipment when buffing. If the  
buffer forces the workpiece out of your hand,  
be prepared for it to come flying at you! Wear  
safety glasses and a heavy leather apron.  
Also, wear a dust mask to protect your lungs  
from microscopic particulate that will be flying  
off the wheel.  
Make  
Contact  
Here  
Figure 4. Illustrated from a side profile, shows  
the only portion of the wheel that should be used  
during buffing.  
Remember, there is no substitute for experience.  
Learning how to hold the workpiece, how much  
pressure to apply, how to move the workpiece  
against the wheel and how much compound to  
use will require some trial-and-error.  
Hold the workpiece tightly at all times while  
buffing. One hand near the contact point will  
give you better control.  
H4380 Buffer  
-11-  
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SECTION 7: MAINTENANCE  
Miscellaneous  
Disconnect power to the  
machine when perform-  
!
ing any maintenance,  
assembly or adjust-  
ments. Failure to do this  
may result in serious  
personal injury.  
Always be aware of the condition of your buffer.  
Routinely check the condition of the following  
items and repair or replace as necessary:  
Loose mounting bolts  
Worn switch  
Lubrication  
Worn or damaged cord  
Worn or damaged shaft bearings  
Shielded and pre-lubricated ball bearings require  
no lubrication for the life of the bearings. All bear-  
ings are standard sizes, and replacements can  
be purchased from our parts department or a  
bearing supply store.  
-12-  
H4380 Buffer  
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SECTION 8: CLOSURE  
We recommend you keep a copy of our current  
The following pages contain general machine  
data, parts diagrams/lists, a troubleshooting guide  
and Warranty/Return information for your Model  
H4380.  
catalog for complete information regarding  
Grizzly's warranty and return policy. If you need  
additional technical information relating to this  
machine, or if you need general assistance or  
replacement parts, please contact the Service  
Department listed in Section 3: Introduction.  
If you need parts or help in assembling your  
machine, or if you need operational information,  
we encourage you to call our Service Department.  
Our trained service technicians will be glad to help  
you.  
Additional information sources are necessary to  
realize the full potential of this machine. Trade  
journals, woodworking magazines, and your local  
library are good places to start.  
If you have comments dealing specifically with  
this manual, please write to our Bellingham,  
Washington location using the address in Section  
3: Introduction.  
The Model H4380 was specifically designed  
for buffing. DO NOT MODIFY AND/OR USE  
THIS MACHINE FOR ANY OTHER PUR-  
POSE. Modifications or improper use of this  
tool will void the warranty. If you are con-  
fused about any aspect of this machine, DO  
NOT use it until all your questions have  
been answered or serious personal injury  
may occur.  
We have included some important safety mea-  
sures that are essential to this machine’s opera-  
tion. While most safety measures are generally  
universal, Grizzly reminds you that each work-  
shop is different and safety rules should be con-  
sidered as they apply to your specific situation.  
Use common sense!  
Operating this equipment creates the poten-  
tial for flying debris to cause eye injury.  
Always wear safety glasses or goggles  
when operating equipment. Everyday glass-  
es or reading glasses only have impact  
resistant lenses, they are not safety glasses.  
Be certain the safety glasses you wear meet  
the appropriate standards of the American  
National Standards Institute (ANSI).  
Like all power tools, there is danger asso-  
ciated with the Model H4380. Accidents  
are frequently caused by lack of familiarity  
or failure to pay attention. Use this tool  
with respect and caution to lessen the  
possibility of operator injury. If normal  
safety precautions are overlooked or  
ignored, serious personal injury may  
occur.  
H4380 Buffer  
-13-  
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MACHINE DATA  
SHEET  
Customer Service #: (570) 546-9663 • To Order Call: (800) 523-4777 • Fax #: (800) 438-5901  
MODEL H4380 BUFFER  
Design Type.......................................................................... Bench Model  
Overall Dimensions:  
Height ................................................................................................8"  
Width................................................................................................21"  
Depth ..............................................................................................714  
"
Shipping Weight ........................................................................20 lbs.  
Net Weight..................................................................................17 lbs.  
Box Size..........................................................18" L x 11" W x 1114" H  
Footprint..................................................................................8" x 7516"  
Arbor ................................................................................................58  
Buffing Wheel Size ....................................................................8" x 34  
"
"
Motor:  
Type....................................................TEFC Capacitor-Start Induction  
Horsepower..................................................................................12 HP  
Phase / Voltage ....................................................Single-Phase ⁄ 110V  
Amps (No Load) ..............................................................................3.5  
Cycle / RPM ........................................................60 Hertz ⁄ 3450 RPM  
Bearings ......................................Shielded & Permanently Lubricated  
Features:  
..............................................................................Rocker-Type Switch  
..................................................................................Flanges Included  
....................................................Extended Wheel-to-Motor Clearance  
Specifications, while deemed accurate, are not guaranteed.  
-14-  
H4380 Buffer  
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28  
34  
48  
46  
6
30  
19  
20  
21  
4
44  
48  
CBB  
60  
32  
33  
31  
47  
29  
35  
22  
23  
37  
6
3
38  
4
C
O
G
6
N
2
I
0
R
2
A
-
2
E
R
B
S
S
A
B O  
B
42  
39  
20  
19  
36  
MODEL H4380 PARTS  
Ref# Part#  
Description  
Ref# Part#  
Description  
HEX NUT 58  
"
33 PS01  
34 PH4379034 MACHINE ID LABEL  
35 PH4378035 FRONT BODY  
PHLP HD SCR 10-24 X 12  
"
3
4
6
PN04  
PH4380004 OUTER FLANGE  
PH4380005 INNER FLANGE  
36 PS22  
PHLP HD SCR 10-24 X 58  
"
19 PH4379019 BUSHING  
37 PH4378037 SWITCH  
38 PH4378038 BASE PLATE  
39 PH4378039 PAD  
20 P6203  
BALL BEARING 6203-2RS  
21 PH4379021 MOTOR STATOR  
22 PH4378022 WIRE NUT  
23 PH4380023 MOTOR SHAFT  
42 PW03  
44 PS06  
FLAT WASHER #10  
PHLP HD SCR 10-24 X 38  
"
28 PN27  
LEFT HAND HEX NUT 58  
"
46 PH4378046 STRAIN RELIEF PLATE  
47 PH4378047 CAPACITOR BRACKET  
29 PH4378029 WIRE  
30 PH4378030 STRAIN RELIEF  
31 PH4378031 BACK B0DY  
32 PH4378032 CAPACITOR CBB60  
48 PS01  
PHLP HD SCR 10-24 X 1"  
H4380 Buffer  
-15-  
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WARRANTY AND RETURNS  
Grizzly Industrial, Inc. warrants every product it sells for a period of 1 year to the original purchaser from  
the date of purchase. This warranty does not apply to defects due directly or indirectly to misuse, abuse,  
negligence, accidents, repairs or alterations or lack of maintenance. This is Grizzly’s sole written warranty  
and any and all warranties that may be implied by law, including any merchantability or fitness, for any par-  
ticular purpose, are hereby limited to the duration of this written warranty. We do not warrant or represent  
that the merchandise complies with the provisions of any law or acts unless the manufacturer so warrants.  
In no event shall Grizzly’s liability under this warranty exceed the purchase price paid for the product and  
any legal actions brought against Grizzly shall be tried in the State of Washington, County of Whatcom.  
We shall in no event be liable for death, injuries to persons or property or for incidental, contingent, spe-  
cial, or consequential damages arising from the use of our products.  
To take advantage of this warranty, contact us by mail or phone and give us all the details. We will then  
issue you a “Return Number,” which must be clearly posted on the outside as well as the inside of the car-  
ton. We will not accept any item back without this number. Proof of purchase must accompany the mer-  
chandise.  
The manufacturers reserve the right to change specifications at any time because they constantly strive to  
achieve better quality equipment. We make every effort to ensure that our products meet high quality and  
durability standards and we hope you never need to use this warranty.  
Please feel free to write or call us if you have any questions about the machine or the manual.  
Thank you again for your business and continued support. We hope to serve you again soon.  
-16-  
H4380 Buffer  
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WARRANTY CARD  
Name ____________________________________________________________________________________  
Street ____________________________________________________________________________________  
City ______________________________________________________________State________Zip_________  
Phone Number_______________________E-Mail_______________________FAX________________________  
MODEL # H4380 8" Buffer  
Serial#__________________________Order #___________________________  
The following information is given on a voluntary basis. It will be used for marketing purposes to help us develop better products and services. Of  
course, all information is strictly confidential.  
1.  
How did you learn about us?  
___Advertisement  
___Catalog  
___Friend  
___Card Deck  
10.  
Which benchtop tools do you own? Check all that apply.  
___World Wide Web  
___1" x 42" Belt Sander  
___5" - 8" Drill Press  
___8" Table Saw  
___8" - 10" Bandsaw  
___Disc/Belt Sander  
___Mini Jointer  
___6" - 8" Grinder  
___Mini Lathe  
___10" - 12" Thickness Planer  
___Scroll Saw  
___Spindle/Belt Sander  
___Other__________________________________________________  
Which of the following magazines do you subscribe to.  
2.  
___American Woodworker  
___Cabinetmaker  
___Practical Homeowner  
___Shop Notes  
___Today’s Homeowner  
___WOOD  
___Wooden Boat  
___Woodshop News  
___Woodsmith  
___Woodwork  
___Woodworker  
___Woodworker’s Journal  
___Workbench  
___Other__________________________________________________  
How many of the machines checked above are Grizzly? ____________  
___Family Handyman  
___Fine Homebuilding  
___Fine Woodworking  
___Home Handyman  
___Journal of Light Construction  
___Old House Journal  
___Popular Mechanics  
___Popular Science  
11.  
12.  
Which portable/hand held power tools do you own? Check all that apply.  
___Belt Sander  
___Biscuit Joiner  
___Circular Saw  
___Detail Sander  
___Drill/Driver  
___Orbital Sander  
___Palm Sander  
___Portable Planer  
___Saber Saw  
___Reciprocating Saw  
___Router  
___Popular Woodworking  
___Other__________________________________________________  
Which of the following woodworking/remodeling shows do you watch?  
___Miter Saw  
3.  
___Other__________________________________________________  
What machines/supplies would you like Grizzly Industrial to carry?  
___Backyard America  
___Home Time  
___The New Yankee Workshop  
___This Old House  
13.  
___The American Woodworker  
___Woodwright’s Shop  
__________________________________________________________  
__________________________________________________________  
What new accessories would you like Grizzly Industrial to carry?  
__________________________________________________________  
__________________________________________________________  
What other companies do you purchase your tools and supplies from?  
__________________________________________________________  
__________________________________________________________  
Do you think your purchase represents good value?  
___Other__________________________________________________  
What is your annual household income?  
4.  
5.  
14.  
15.  
___$20,000-$29,999  
___$30,000-$39,999  
___$40,000-$49,999  
___$50,000-$59,999  
___$60,000-$69,999  
___$70,000-$79,999  
___$80,000-$89,999  
___$90,000 +  
What is your age group?  
___20-29  
___30-39  
___40-49  
___50-59  
___60-69  
___70 +  
16.  
17.  
18.  
6.  
7.  
8.  
How long have you been a woodworker?  
___Yes  
Would you recommend Grizzly Industrial to a friend?  
___Yes ___No  
___No  
___0 - 2 Years  
___2 - 8 Years  
___8 - 20 Years  
___20+ Years  
How would you rank your woodworking skills?  
Would you allow us to use your name as a reference for Grizzly customers  
in your area? Note: We never use names more than three times.  
___Simple  
___Intermediate  
___Advanced  
___Master Craftsman  
___Yes  
___No  
What stationary woodworking tools do you own? Check all that apply.  
19.  
Comments:_________________________________________________  
__________________________________________________________  
__________________________________________________________  
__________________________________________________________  
__________________________________________________________  
___Air Compressor  
___Band Saw  
___Drill Press  
___Drum Sander  
___Dust Collector  
___Horizontal Boring Machine  
___Jointer  
___Panel Saw  
___Planer  
___Power Feeder  
___Radial Arm Saw  
___Shaper  
___Spindle Sander  
___Table Saw  
___Lathe  
___Mortiser  
___Vacuum Veneer Press  
___Wide Belt Sander  
___Other__________________________________________________  
How many of your woodworking machines are Grizzly? _____________  
9.  
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FOLD ALONG DOTTED LINE  
Place  
Stamp  
Here  
GRIZZLY INDUSTRIAL, INC.  
P.O. BOX 2069  
BELLINGHAM, WA 98227-2069  
FOLD ALONG DOTTED LINE  
Send a Grizzly Catalog to a friend:  
Name_______________________________  
Street_______________________________  
City______________State______Zip______  
TAPE ALONG EDGES--PLEASE DO NOT STAPLE  
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