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
FLEX SHAFT GRINDER
MODEL G9928
INSTRUCTION MANUAL
For Your Own Safety Read Instruction Manual
Before Operating This Equipment
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.
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.
NOTICE
Safety Instructions For Power Tools
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.
3. KEEP WORK AREA CLEAN.
Cluttered areas and benches invite
accidents.
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.
SAFETY
5. KEEP CHILDREN AND VISITORS
AWAY. All children and visitors
should be kept a safe distance from
work area.
6. MAKE WORKSHOP CHILD
PROOF with padlocks, master
switches, or by removing starter
keys.
7. DO NOT FORCE TOOL. It will do
the job better and safer at the rate
for which it was designed.
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 INFLUENCE OF DRUGS OR ALCOHOL.
G9928 Flex Shaft Grinder -1-
G9928 Flex Shaft Grinder
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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 covering to contain long hair.
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.
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.
14. DO NOT OVERREACH. Keep proper 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.
16. REDUCE THE RISK OF UNINTENTIONAL STARTING. Make sure
switch is in off position before plugging in.
17. DISCONNECT TOOLS before servicing and changing accessories.
18. USE THE RECOMMENDED
ACCESSORIES. Consult the
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 alignment 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.
20. NEVER ALLOW UNTRAINED
USERS TO RUN THIS TOOL
WHILE UNSUPERVISED.
21. IF YOU ARE UNSURE OF THE
INTENDED OPERATION, STOP
USING THE TOOL.
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 safety hazard. Note: Performance of the
Flexible Shaft Grinder may vary
depending on local line voltage or
use of an extension cord.
Safety Instructions For Power Tools
INTRODUCTION
Commentary
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 commitment to customer satisfaction.
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 5⁄32"
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 procedures and maintenance. This manual
represents our effort to produce the best
documentation possible.
The specifications, details, and photographs in this manual represent the Model
G9928 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. If you have
any comments regarding this manual,
please write to us at the address below:
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.
Grizzly Industrial, Inc.
1203 Lycoming Mall Circle
Muncy, PA 17756
Phone: (570) 546-9663
Fax: (800) 438-5901
E-Mail: techsupport@grizzly.com
Web Site: http://www.grizzly.com
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 information is not understood or fol-
Grizzly Industrial, Inc.
C
/O Technical Documentation
P.O. Box 2069
Bellingham, WA 98227-2069
G9928 Flex Shaft Grinder
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G9928 Flex Shaft Grinder
-4-
OPERATION
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 lithium 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 electrical 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 lowering 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.
Operating this tool can propel
objects into the air, causing immediate eye damage. To protect yourself,
always wear American National
Standards Institute (ANSI) approved
safety glasses or goggles when operating 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 possible 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 EXTREMELY HOT, stop using the machine and
let it cool down.
G9928 Flex Shaft Grinder
-5-
MAINTENANCE
CARBON BRUSH REPLACEMENT
Normal Carbon Brush life is 500–2000
hours, depending on use. Always replace
both brushes when it is time for replacement.
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 screwdriver. Examine the brush surface for
scratches or breakage. If the brush is
broken, replace immediately with a
replacement brush from Grizzly
Industrial, Inc.
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.
3. Reinstall the brushes and gently tight-
en with the screwdriver.
REPLACEMENT ACCESSORIES
Should you need to order replacement
parts for your Model G9928, please refer
to the following parts diagram and list.
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 lubricant 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 viscous.
Disconnect power to the machine
when performing any maintenance,
assembly or adjustments. Failure to
do this may result in serious personal injury.
01 P9928022 CHUCK HOUSING
02 P9928023 BEARING 608Z
03 P9928024 CHUCK
04 P9928001 HANGER
05 P9928025 CHUCK KEY
06 P9928027 FOOT CONTROL
07 P9928021 FLEX SHAFT
08 P9928008 CARBON BRUSH (NOT SHOWN)
Ref Part # Description
(1, 2, 3)
4
5
6
7
!
G9928 Flex Shaft Grinder
-6-
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 particular 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, 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 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.
Grizzly Industrial, Inc.
1203 Lycoming Mall Circle
Muncy, PA 17756
Phone: (570) 546-9663
Fax: (800) 438-5901
E-Mail:
techsupport@grizzly.com
Web Site: http://www.grizzly.com
Thank you again for your business and continued support. We hope to serve you again
soon!
WARRANTY AND RETURNS
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.
WARRANTY CARD
9. How many of the machines checked above are
Grizzly? ____________
10. Which portable/hand held power tools do you own?
Check all that apply.
___Belt Sander ___Orbital Sander
___Biscuit Joiner ___Palm Sander
___Circular Saw ___Portable Planer
___Detail Sander ___Saber Saw
___Drill/Driver ___Reciprocating Saw
___Miter Saw ___Router
___Other_________________________________
11. What machines/supplies would you like Grizzly
Industrial to carry?
________________________________________
________________________________________
________________________________________
________________________________________
12. What new accessories would you like Grizzly
Industrial to carry?
________________________________________
________________________________________
________________________________________
________________________________________
13. What other companies do you purchase your tools
and supplies from?
_________________________________________
_________________________________________
_________________________________________
14. Do you think your purchase represents good value?
___Yes ___No
15. Would you recommend Grizzly to a friend?
___Yes ___No
16. 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.
___Yes ___No
17.Comments:________________________________
_________________________________________
_________________________________________
_________________________________________
1. How did you learn about us?
___Advertisement ___Friend
___Catalog ___Card Deck
___World Wide Web
___Other__________________________
2. What is your annual household income?
___$20,000-$29,999 ___$60,000-$69,999
___$30,000-$39,999 ___$70,000-$79,999
___$40,000-$49,999 ___$80,000-$89,999
___$50,000-$59,999 ___$90,000 +
3. What is your age group?
___20-29 ___50-59
___30-39 ___60-69
___40-49 ___70 +
4. How long have you been a woodworker?
___0 - 2 Years ___8 - 20 Years
___2 - 8 Years ___20+ Years
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.
___Air Compressor ___Panel Saw
___Band Saw ___Planer
___Drill Press ___Power Feeder
___Drum Sander ___Radial Arm Saw
___Dust Collector ___Shaper
___Spindle Sander ___Jointer
___Table Saw ___Lathe
___Mortiser ___Wide Belt Sander
___Horiz.Boring Machine
___Vacuum Veneer Press
___Other______________________________
7. How many of your woodworking machines are
Grizzly? _____________
8. Which benchtop tools do you own? Check all
that apply.
___1"x42" Belt Sander ___6" - 8" Grinder
___5" - 8" Drill Press ___Mini Lathe
___8" Table Saw ___8" - 10" Bandsaw
___Scroll Saw ___Disc/Belt Sander
___Spindle/Belt Sander ___Mini Jointer
___10"-12"Thickness Planer
___Other______________________________
FOLD ALONG DOTTED LINE
GRIZZLY INDUSTRIAL, INC.
P.O. BOX 2069
BELLINGHAM, WA 98227-2069
TAPE ALONG EDGES--PLEASE DO NOT NAIL
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Street________________________________
City______________State______Zip_______
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