Grizzly Grinder G9928 User Manual

FLEX SHAFT GRINDER  
MODEL G9928  
INSTRUCTION MANUAL  
COPYRIGHT © MARCH, 2002 BY GRIZZLY INDUSTRIAL, INC.  
1821 VALENCIA ST., BELLINGHAM, WA 98227  
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  
 
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 progres-  
sion of symbols is described below. Remember that safety messages by them-  
selves do not eliminate danger and are not a substitute for proper accident pre-  
vention 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  
5. KEEP CHILDREN AND VISITORS  
AWAY. All children and visitors  
should be kept a safe distance from  
work area.  
1. KEEP ALL SAFETY DEVICES IN  
PLACE and in working order.  
2. REMOVE ADJUSTING KEYS AND  
WRENCHES. Form habit of check-  
ing to see that keys and adjusting  
wrenches are removed from tool  
before operation.  
6. MAKE  
WORKSHOP  
CHILD  
PROOF with padlocks, master  
switches, or by removing starter  
keys.  
3. KEEP WORK AREA CLEAN.  
Cluttered areas and benches invite  
accidents.  
7. DO NOT FORCE TOOL. It will do  
the job better and safer at the rate  
for which it was designed.  
4. DO NOT USE IN DANGEROUS  
ENVIRONMENT. Do not use power  
tools in damp or wet locations, or  
where any flammable or noxious  
fumes may exist. Keep work area  
well lighted.  
8. USE THE RIGHT TOOL. Do not  
force tool or attachment to do a job  
for which it was not designed.  
9. DO NOT USE UNDER THE INFLU-  
ENCE OF DRUGS OR ALCOHOL.  
G9928 Flex Shaft Grinder  
-1-  
 
Safety Instructions For Power Tools  
10. WEAR PROPER APPAREL. Do not  
ACCESSORIES.  
Consult  
the  
wear loose clothing, gloves, neck-  
ties, rings, bracelets, or other jewel-  
ry which may get caught in moving  
parts. Non-slip footwear is recom-  
mended. Wear protective hair cover-  
ing to contain long hair.  
owner’s manual for recommended  
accessories. The use of improper  
accessories may cause risk of injury.  
19. CHECK DAMAGED PARTS. Before  
further 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 align-  
ment of moving parts, binding 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.  
11. ALWAYS USE SAFETY GLASSES.  
Also use face or dust mask if cutting  
operation is dusty. Everyday eye-  
glasses only have impact resistant  
lenses, they are NOT safety glass-  
es.  
12. WEAR APPROVED HEARING  
PROTECTION.  
13. 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.  
20. NEVER ALLOW UNTRAINED  
USERS TO RUN THIS TOOL  
WHILE UNSUPERVISED.  
21. IF YOU ARE UNSURE OF THE  
INTENDED OPERATION, STOP  
USING THE TOOL.  
14. DO NOT OVERREACH. Keep prop-  
er footing and balance at all times.  
15. MAINTAIN TOOLS WITH CARE.  
Keep tools sharp and clean for best  
and safest performance. Follow  
instructions for lubricating and  
changing accessories.  
22. DO NOT BEND SHAFT MORE  
THAN 90 DEGREES. Make sure the  
Flexible Shaft (P9928021) is not  
bent more than a 90 degree angle.  
If the Flexible Shaft is kinked or  
crimped, it could cause inefficient  
grinder operation and create a safe-  
ty hazard. Note: Performance of the  
Flexible Shaft Grinder may vary  
depending on local line voltage or  
use of an extension cord.  
16. REDUCE THE RISK OF UNINTEN-  
TIONAL STARTING. Make sure  
switch is in off position before plug-  
ging in.  
17. DISCONNECT TOOLS before ser-  
vicing and changing accessories.  
18. USE  
THE  
RECOMMENDED  
-2-  
G9928 Flex Shaft Grinder  
 
INTRODUCTION  
Most importantly, we stand behind our  
Commentary  
tools. 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  
G9928 Flex Shaft Grinder. This model is  
part of a growing Grizzly family of fine  
power tools. 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 commit-  
ment to customer satisfaction.  
Grizzly Industrial, Inc.  
1203 Lycoming Mall Circle  
Muncy, PA 17756  
Phone: (570) 546-9663  
Fax: (800) 438-5901  
The Model G9928 features a 42" long flex  
shaft to maneuver around your workpiece,  
a foot pedal to control the speed from 0 to  
15,000 R.P.M., a motor hanger, and a 532"  
keyed chuck handpiece. To use chisels,  
please order H0757 4-Pc. Carving Chisels  
from the current catalog.  
We are pleased to provide this manual  
with the Model G9928. It was written to  
encourage safety considerations and  
guide you through general operating pro-  
cedures and maintenance. This manual  
represents our effort to produce the best  
documentation possible.  
Read the manual before assembly  
and 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 infor-  
mation is not understood or fol-  
The specifications, details, and photo-  
graphs in this manual represent the Model  
G9928 as supplied when the manual was  
prepared. However, owing to Grizzly’s  
policy of continuous improvement, chang-  
es may be made at any time with no obli-  
gation on the part of Grizzly. If you have  
any comments regarding this manual,  
please write to us at the address below:  
Grizzly Industrial, Inc.  
Technical Documentation  
P.O. Box 2069  
C
/
O
Bellingham, WA 98227-2069  
-3-  
G9928 Flex Shaft Grinder  
 
OPERATION  
Operating this tool can propel  
objects into the air, causing immedi-  
ate eye damage. To protect yourself,  
always wear American National  
Standards Institute (ANSI) approved  
safety glasses or goggles when oper-  
ating this equipment.  
Under normal working conditions  
and use, it is normal for the Motor  
Housing to become hot. However,  
the hot surface may cause personal  
injury if touched or present a possi-  
ble danger of an extreme fire hazard  
if near flammable material. If the  
Flexible Shaft Grinder is used for a  
prolonged period of time and the  
motor housing becomes EXTREME-  
LY HOT, stop using the machine and  
let it cool down.  
OPERATION  
1. Before using the Flexible Shaft  
Grinder, determine a location in the  
work area to mount the Holder and the  
Hanger. Drive (2) wood screws  
through (2) Electrical Rings and  
through the Hanger to the mounting  
location selected. Attach the Hanger  
to the Motor Housing with (2) screws.  
2. The Flex Shaft and Flex Shaft Housing  
need to be lubricated with a light lithi-  
um lubricant or machine oil. Use only  
as small amount. Too much lubricant  
can become messy and possibly get  
on your workpiece. Do not use auto-  
motive grease as it is too viscous.  
3. A setscrew holds the Flex Shaft to the  
Motor Shaft. When the Flex Shaft is  
secure to the Motor Shaft, thread the  
end of the Flex Shaft Housing onto the  
base of the Motor Housing. Be sure  
that the Flexible Shaft assembly is not  
bent more than 90 degrees or kinked.  
4. The Grinder Head fits onto the end of  
the Flex Shaft. It is secure when you  
hear a snap. To remove the Grinder  
Head from the Flex Shaft, firmly grasp  
the Grinder Head and Flex Shaft with  
two hands and pull apart.  
5. Loosen the Drill Chuck with the Chuck  
Key. Insert the desired bit and tighten  
the Drill Chuck with the Chuck Key.  
6. Attach the Foot Control as follows.  
Insert the Plug into the Female Plug.  
Insert the Power Plug into the electri-  
cal outlet. The depth of the Foot  
Control can be set by using the  
setscrew on the Foot Control, this will  
allow the operator to adjust for desired  
maximum speed. Tightening and low-  
ering the screw will allow for greater  
speeds. Loosening and raising the  
screw will limit the speed allowed by  
the Foot Control.  
7. Make sure all safety instructions have  
been followed before turning the  
machine “ON”.  
8. Once the tool is on, select the desired  
speed by using the Foot Control.  
-4-  
G9928 Flex Shaft Grinder  
 
MAINTENANCE  
LUBRICATING FLEX SHAFT  
The Flex Shaft and Flex Shaft Housing  
should be lubricated after every 8 hours of  
use. A small amount of light lithium lubri-  
cant or machine oil applied to the length of  
the Flex Shaft is all that is needed. Too  
much lubricant can become messy and  
possibly get on your workpiece. Do not  
use automotive grease as it is too vis-  
cous.  
!
REPLACEMENT ACCESSORIES  
Should you need to order replacement  
parts for your Model G9928, please refer  
to the following parts diagram and list.  
Disconnect power to the machine  
when performing any maintenance,  
assembly or adjustments. Failure to  
do this may result in serious person-  
al injury.  
(1, 2, 3)  
4
CARBON BRUSH REPLACEMENT  
Normal Carbon Brush life is 500–2000  
hours, depending on use. Always replace  
both brushes when it is time for replace-  
ment.  
5
1. Use a small screwdriver and remove  
the Carbon Brushes from the sides of  
the Motor Housing. Be careful when  
removing the brushes, as the brushes  
are spring-loaded and may spring out.  
If the brush does not spring out, gently  
remove it using the tip of the screw-  
driver. Examine the brush surface for  
scratches or breakage. If the brush is  
broken, replace immediately with a  
replacement brush from Grizzly  
Industrial, Inc.  
6
7
Ref  
Part #  
Description  
01 P9928022  
02 P9928023  
03 P9928024  
04 P9928001  
05 P9928025  
06 P9928027  
07 P9928021  
08 P9928008  
CHUCK HOUSING  
BEARING 608Z  
CHUCK  
2. If the brush is not broken and is dirty,  
remove the dirt using a pencil eraser.  
Gently rub with the eraser until all of  
the dirt has been removed. Remove all  
eraser dust so it will not interfere with  
the machine.  
HANGER  
CHUCK KEY  
FOOT CONTROL  
FLEX SHAFT  
CARBON BRUSH (NOT SHOWN)  
3. Reinstall the brushes and gently tight-  
en with the screwdriver.  
-5-  
G9928 Flex Shaft Grinder  
 
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 main-  
tenance. 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 particular purpose, are here-  
by 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, con-  
tingent, special, 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 Authorization Number,” which must be clearly posted on  
the outside as well as the inside of the carton. We will not accept any item back without this  
number. Proof of purchase must accompany the merchandise.  
The manufacturers reserve the right to change specifications at any time because they con-  
stantly 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 man-  
ual.  
Grizzly Industrial, Inc.  
1203 Lycoming Mall Circle  
Muncy, PA 17756  
Phone: (570) 546-9663  
Fax: (800) 438-5901  
E-Mail:  
Thank you again for your business and continued support. We hope to serve you again  
soon!  
-6-  
G9928 Flex Shaft Grinder  
 
WARRANTY CARD  
Name__________________________________________________________  
Street__________________________________________________________  
City____________________State________Zip_________  
Phone Number____________E-Mail___________________FAX____________  
Model #___________________________ Serial #_______________________  
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.  
9. How many of the machines checked above are  
Grizzly? ____________  
1. How did you learn about us?  
___Advertisement  
___Friend  
___Catalog  
___World Wide Web  
___Other__________________________  
___Card Deck  
10. 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  
2. What is your annual household income?  
___$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 +  
___Miter Saw  
___Other_________________________________  
3. What is your age group?  
___20-29  
11. What machines/supplies would you like Grizzly  
Industrial to carry?  
___50-59  
___60-69  
___70 +  
___30-39  
___40-49  
________________________________________  
________________________________________  
________________________________________  
________________________________________  
4. How long have you been a woodworker?  
___0 - 2 Years  
___2 - 8 Years  
___8 - 20 Years  
___20+ Years  
12. What new accessories would you like Grizzly  
Industrial to carry?  
5. How would you rank your woodworking skills?  
________________________________________  
________________________________________  
________________________________________  
________________________________________  
___Simple  
___Advanced  
___Intermediate  
___Master Craftsman  
6. What stationary woodworking tools do you own?  
Check all that apply.  
13. What other companies do you purchase your tools  
and supplies from?  
___Air Compressor  
___Band Saw  
___Panel Saw  
___Planer  
_________________________________________  
_________________________________________  
_________________________________________  
___Drill Press  
___Power Feeder  
___Radial Arm Saw  
___Shaper  
___Jointer  
___Lathe  
___Drum Sander  
___Dust Collector  
___Spindle Sander  
___Table Saw  
14. Do you think your purchase represents good value?  
___Yes  
___No  
___Mortiser  
___Wide Belt Sander  
___Horiz.Boring Machine  
___Vacuum Veneer Press  
___Other______________________________  
15. Would you recommend Grizzly to a friend?  
___Yes ___No  
16. Would you allow us to use your name as a refer-  
ence for Grizzly customers in your area? Note: We  
never use names more than three times.  
7. How many of your woodworking machines are  
Grizzly? _____________  
___Yes  
___No  
8. Which benchtop tools do you own? Check all  
that apply.  
17.Comments:________________________________  
_________________________________________  
_________________________________________  
_________________________________________  
___1"x42" Belt Sander ___6" - 8" Grinder  
___5" - 8" Drill Press ___Mini Lathe  
___8" Table Saw  
___Scroll Saw  
___8" - 10" Bandsaw  
___Disc/Belt Sander  
___Spindle/Belt Sander ___Mini Jointer  
___10"-12"Thickness Planer  
___Other______________________________  
 
Send a Grizzly Catalog to a friend:  
Name________________________________  
Street________________________________  
City______________State______Zip_______  
FOLD ALONG DOTTED LINE  
Place  
Stamp  
Here  
GRIZZLY INDUSTRIAL, INC.  
P.O. BOX 2069  
BELLINGHAM, WA 98227-2069  
TAPE ALONG EDGES--PLEASE DO NOT NAIL  
 
 
 

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