MODEL T10828
ROTARY TOOL WORKSHOP
OWNER'S MANUAL
(For models manufactured since 12/14)
COPYRIGHT © JANUARY, 2015 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.
V1.01.15
#BB17036 PRINTED IN CHINA
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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 hazard-
ous 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 imminent 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 infor-
mation about proper operation of the equipment.
NOTICE
Safety Instructions for Power Tools
OWNER’S MANUAL. Read and under- MENTAL ALERTNESS REQUIRED. Full
mental alertness is required for safe oper-
ation of power tools. Never operate under
the influence of drugs or alcohol, when
tired, or when distracted.
stand this owner’s manual BEFORE using
machine.
TRAINED OPERATORS ONLY. Untrained
operators have a higher risk of being hurt
or killed. Only allow trained/supervised
people to use this power tool. When tool
is not being used, disconnect power, and
store in out-of-reach location to prevent
unauthorized use—especially around
children. Make workshop kid proof!
DISCONNECT POWER FIRST. Always
disconnect tool from power supply
BEFORE making adjustments, chang-
ing tooling, or servicing machine. This
prevents an injury risk from unintended
startup or contact with live electrical com-
ponents.
DANGEROUS ENVIRONMENTS. Do not
use tools in areas that are wet, cluttered,
or have poor lighting. Operating tools in
these areas greatly increases risk of acci-
dents and injury.
EYE PROTECTION. Always wear ANSI-
approved safety glasses or a face shield
when operating or observing machinery to
reduce the risk of eye injury or blindness
from flying particles. Everyday eyeglasses
are not approved safety glasses.
Model T10828 (Mfd. since 12/14)
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ELECTRICAL SAFETY. Tool plug must SECURING
WORKPIECE.
When
match outlet. Double-insulated tools have required, use clamps or vises to secure
a polarized plug (one blade is wider than workpiece. This protects hands and frees
the other), which must be plugged into a both of them to operate tool.
polarized outlet. Never modify plug. Do
not use adapter for grounded tools. Use GUARDS & COVERS. Guards and cov-
a ground fault circuit interrupter if opera- ers reduce accidental contact with mov-
tion is unavoidable in damp locations. ing parts or flying debris. Ensure they
Avoid touching grounded surfaces when are properly installed, undamaged, and
operating tool.
working correctly.
WEARING PROPER APPAREL. Do not CHILDREN & BYSTANDERS. Keep chil-
wear clothing, apparel or jewelry that dren and bystanders at a safe distance
can become entangled in moving parts. from the work area. Stop using tool if they
Always tie back or cover long hair. Wear become a distraction.
non-slip footwear to avoid accidental
slips, which could cause loss of workpiece USE RECOMMENDED ACCESSORIES.
control. Wear hard hat as needed.
Consult this manual or manufacturer
for recommended accessories. Using
HAZARDOUS DUST. Dust created while improper accessories will increase risk of
using tools may cause cancer, birth
serious injury.
defects, or long-term respiratory damage.
Be aware of dust hazards associated with MAINTAIN WITH CARE. Keep cutting
each workpiece material, always wear tool edges sharp and clean. Follow all
a NIOSH-approved respirator, and con- maintenance instructions and lubrication
nect tool to an appropriate dust collection schedules to keep tool in good work-
device to reduce your risk.
ing condition. A tool that is improperly
maintained could malfunction, leading to
HEARING PROTECTION. Always wear serious personal injury or death. Only
hearing protection when operating or have tool serviced by qualified service-
observing loud machinery. Extended personnel using matching replacement
exposure to this noise without hearing parts.
protection can cause permanent hearing
loss.
CHECK DAMAGED PARTS. Regularly
inspect tool for any condition that may
REMOVE ADJUSTING TOOLS. Never affect safe operation. Immediately repair
leave adjustment tools, chuck keys,
or replace damaged or mis-adjusted parts
wrenches, etc. in or on tool—especially before operating tool.
near moving parts. Verify removal before
starting!
MAINTAIN POWER CORDS. When dis-
connecting cord-connected tools from
INTENDED USAGE. Only use tool for its power, grab and pull the plug—NOT the
intended purpose. Never modify or alter cord. Carrying or pulling the cord may
tool for a purpose not intended by the damage wires inside. Do not handle cord/
manufacturer or serious injury or death plug with wet hands. Avoid cord damage
may result!
by keeping it away from heated surfaces,
high traffic areas, harsh chemicals, sharp
AWKWARD POSITIONS. Keep proper edges, moving parts, and wet/damp loca-
footing and balance at all times when tions. Damaged cords increase risk of
operating tool. Do not overreach! Avoid electrocution.
awkward hand positions that make tool
control difficult or increase the risk of UNATTENDED OPERATION. Never
accidental injury.
leave tool running while unattended. Turn
tool OFF and ensure all moving parts
SAFE HANDLING. Firmly grip tool. To completely stop before walking away.
avoid accidental firing, do not keep finger
on switch or trigger while carrying.
EXPERIENCING DIFFICULTIES. If at
any time you experience difficulties per-
FORCING TOOLS. Use right tool for job, forming the intended operation, stop
and do not force it. It will do job safer and using the machine! Contact our Technical
better at rate for which it was designed.
Support at (570) 546-9663.
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Model T10828 (Mfd. since 12/14)
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Additional Safety Instructions for
Rotary Tool Grinders
CLAMP THE WORKPIECE. If the spin - ELECTROCUTION HAZARDS. DO NOT
ning tool slips from the workpiece while operate this tool in wet or damp condi-
you are holding it, you could suffer pierc- tions. Remove all liquids from the work
ing or abrasion injuries. DO NOT hold the area before beginning operation. Make
workpiece with one hand and operate the sure your hands are clean and dry.
tool with the other. Secure the workpiece
in a vise or work-holding device before WORKPIECE CONTACT. Jamming the
starting the rotary tool.
spinning tool against the workpiece could
cause the workpiece or tool to shatter
EXPLOSION HAZARDS. Sparks from and send debris in all directions. Firmly
the grinding operation can easily ignite grasp the rotary tool and ease it into the
flammable gasses, fluids, or materials. workpiece.
ALWAYS make sure that these substanc-
es are completely removed from the work TOOL CAPACITIES. To avoid damage
area before beginning operation.
to the tool or workpiece that may cause
operator injury, ALWAYS operate this tool
ENTANGLEMENT HAZARDS. Loose within the capacities stated on Page 4.
clothing or jewelry can become entan-
gled with the spinning tool, pulling hands ACCIDENTAL STARTUP. To avoid unex-
and fingers into the bit. To avoid this risk, pected startup that may cause injuries,
remove jewelry, secure loose clothing, ALWAYS make sure the rotary speed dial
button long sleeves, and tie back long is turned OFF before connecting the tool
hair.
to power.
No list of safety guidelines can be
complete. 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 do so could result
in serious personal injury, damage to
equipment or poor work results.
Model T10828 (Mfd. since 12/14)
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SECTION 2: INTRODUCTION
Foreword
Contact Info
We are proud to offer this manual with
your new T10828 Rotary Tool! We've made
every effort to be exact with the instruc-
tions, specifications, drawings, and photo-
graphs of the T10828 Rotary Tool we used
when writing this manual. However, some-
times we still make an occasional mistake.
We stand behind our machines. If you
have any service questions, parts requests
or general questions about the machine,
please call or write us at the location listed
below.
Grizzly Industrial, Inc.
1203 Lycoming Mall Circle
Muncy, PA 17756
Also, owing to our policy of continuous
improvement, your T10828 Rotary Tool
may not exactly match the manual. If you
find this to be the case, and the differ-
ence between the manual and T10828
Rotary Tool leaves you in doubt, check our
website for the latest manual update or call
technical support for help.
Phone: (570) 546-9663
E-Mail: [email protected]
We want your feedback on this manual.
If you can take the time, please email or
write to us at the address below and tell
us how we did:
For your convenience, we post all avail-
able manuals and manual updates for free
updates to your model of machine will be
reflected in these documents as soon as
they are complete.
Grizzly Industrial, Inc.
C/O Technical Documentation Manager
P.O. Box 2069
Bellingham, WA 98227-2069
Email: [email protected]
Specifications
Required Power:................................110V
Speed Range: .......... 10,000–32,000 RPM
Maximum Collet Chuck Capacity: .........1⁄8
"
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 under-
stood or followed.
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Identification
Become familiar with the names and locations of the controls and features shown below to
better understand the instructions in this manual.
D
E
G
H
I
C
B
F
M
L
J
K
A
K
Figure 1. T10828 component identification.
A. Flexible Shaft Collet Nut
B. Flexible Locking Sleeve
C. Inner Spindle
D. Flexible Shaft Locking Ring
E. Flexible Shaft
To reduce your risk of
serious injury, read this
entire manual BEFORE
using machine.
F. Spindle Lock Button
G. Motor Brush Cap
H. Variable-Speed Control
I. Tool Hanger
J. ON/OFF Switch
K. Motor Brush Cap
L. Rotary Tool Locking Ring
M. Rotary Tool Collet Nut
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SECTION 3: SETUP
Unpacking
Inventory
Your machine was carefully packaged for
safe transportation. Remove the packag-
ing materials from around your machine
and inspect it. If you discover the machine
is damaged, please immediately call
Customer Service at (570) 546-9663 for
advice.
Model T10828 Inventory (Figure 2)
A. Toolbox
—Collet Wrench.................................1
—Collet 1⁄8".........................................2
—Collet 3⁄32"........................................1
—Collet 1⁄16"........................................1
—Dressing Stone...............................1
—Drum Mandrel 1⁄2" ...........................1
—Drum Mandrel 1⁄4" ...........................1
—Screw Mandrel ...............................2
—Threaded Mandrel..........................1
—Cutoff Wheels.................................5
—Grinding Stone (Green)..................4
—Grinding Stone (Red) .....................6
—Grinding Wheel (Green).................5
—Grinding Wheel (Red) ....................5
—Rubber Emery Wheel.....................1
—Wire Brushes..................................3
—Bristle Brushes ...............................3
—Sanding Drum 1⁄2"...........................8
—Sanding Drum 1⁄4"...........................8
—Felt Buffing Pads............................7
—Felt Buffing Cone ...........................1
—Felt Buffing Cylinder.......................1
—Flap Wheel (80 Grit).......................1
—Polishing Rouge .............................1
B. Flexible Shaft .....................................1
C. Variable-Speed Rotary Tool ..............1
Save the containers and all packing mate-
rials for possible inspection by the car-
rier or its agent. Otherwise, filing a freight
claim can be difficult.
When you are completely satisfied with
the condition of your shipment, inventory
the contents.
If any non-proprietary parts are missing
(e.g., a nut or a washer), we will gladly
replace them; or for the sake of expedi-
ency, replacements can be obtained at
your local hardware store.
A
B
C
Figure 2. T10828 inventory.
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Model T10828 (Mfd. since 12/14)
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Power Connection
Serious injury or death can result
from using this machine BEFORE
understanding its controls and
related safety information. DO NOT
operate, or allow others to oper-
ate, machine until the information is
understood.
After you have completed all previous
setup instructions, the machine is ready to
be connected to the power supply.
To avoid unexpected startups or property
damage, use the following steps whenever
connecting or disconnecting the machine.
Connecting Power
Test Run
1. Turn machine power switch OFF.
2. Insert power cord plug into a matching
power supply receptacle. Tool is now
connected to power source.
To test run machine:
1. Clear all setup tools away from
machine.
2. Remove collet nut and collet.
3. Set variable-speed knob to lowest set-
ting.
4. Connect machine to power supply.
5. Turn machine ON, verify motor opera-
tion, and then turn machine OFF.
Tool should run smoothly and without
unusual problems or noises.
Figure 3. Connecting power.
Disconnecting Power
1. Turn machine power switch OFF.
2. Grasp molded plug and pull it com-
pletely out of receptacle. Do not pull
by the cord as this may damage wires
inside.
Figure 4. Disconnecting power.
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SECTION 4: OPERATIONS
4. Insert bit shank into collet.
Installing Bits
The Model T10828 uses bits and cutters
with a ⁄8" diameter shaft. See the Grizzly
catalog or website for a complete listing of
available bits and accessories.
Note: At least 1⁄2" of bit shank should be
mounted into end of collet.
1
5. Hand-tighten collet nut while pressing
spindle lock button to secure bit.
1
6. Tighten ⁄3 of a turn with collet wrench.
DO NOT use bits or cutters with a
cutting surface larger than 1". The
bit could break apart under the
stresses of high speed use caus-
ing serious personal injury.
DO NOT over tighten.
Failure to wear safety glasses
while operating the grinder could
cause serious personal eye injury.
To install a bit:
1. DISCONNECT TOOL FROM POWER!
Operating Rotary Tool
2. Press spindle lock and rotate collet nut
until spindle locks (see Figure 5).
The Model T10828 is best suited for high-
RPM, low-torque applications. Most opera-
tions performed with the tool will perform
best at higher RPM settings; however,
slower RPM settings are ideal when work-
ing with plastics that melt easily.
3. Loosen collet nut by turning counter-
clockwise.
NOTE: DO NOT completely remove
collet nut from shaft.
High RPM Uses
High RPM's are best for general carving,
cutting, routing, and grinding. The grinder
removes material quicker at higher RPM's.
Collet Nut
Low RPM Uses
Low RPM's are best for grinding and cut-
ting materials that have low melting points.
Plastics in particular often melt from the
heat generated by high-speed bits. Low
RPM's are also best for polishing and buff-
ing with the felt accessories included.
Spindle Lock
Figure 5. Loosening collet nut by pressing
spindle lock and turning Counterclockwise
w/wrench.
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To use rotary tool:
1. Install collet and bit.
2. Grasp tool firmly.
Inner Spindle
3. Turn tool ON.
Attachment
Threads
4. Adjust speed dial to change RPM.
5. Ease tool against workpiece using
Figure 6. Example of inserting spindle into
rotary tool collet with attachment threads
exposed.
light pressure.
Note: Always test bit and RPM com-
bination on a scrap piece of material
similar to workpiece.
3. Pull inner spindle partially out of flex
shaft (see Figure 6).
4. Insert inner spindle into rotary tool
collet, then tighten collet nut, as
described in Steps 5–6 on Page 8.
Use low RPM settings when work-
ing with plastics or other materials
with low melting points. Melted
plastics can liquefy, be thrown into
the air, and stick to the operator,
causing serious personal injury.
5. Thread flexible shaft plastic locking ring
onto rotary tool attachment threads.
6. Insert shank of tool bit into collet as
shown in Figure 7, then slide down flex
shaft locking sleeve and tighten collet.
Installing Flex Shaft
The flex shaft allows the user to get into
tight spaces and is easier to control—
more like a pencil. DO NOT operate the
flex shaft with sharp bends.
Note: Hold flex shaft firmly when start-
ing rotary tool.
Tool Bit
Shaft
To install flex shaft:
1. DISCONNECT TOOL FROM POWER!
2. Loosen collet nut and remove plastic
locking ring on rotary tool (see Figure 1
on Page 5) to expose shaft attachment
threads, as shown in Figure 6.
Figure 7. Tightening flex shaft collet.
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SECTION 6: MAINTENANCE
2. Apply a thin film of lubricant on inner
spindle.
Note: Too much lubricant can become
!
messy and possibly get on your
workpiece. DO NOT use automotive
grease; it is too thick.
3. Re-install inner spindle into flex shaft.
Always
DISCONNECT
POWER
Carbon Brush Replacement
Carbon brush life is 500–2000 hours,
depending on the nature of use. Always
replace both brushes at the same time.
before servicing, adjusting, or doing
maintenance to reduce the risk of
accidental injury or electrocution.
To replace carbon brushes:
Schedule
1. Use small flathead screwdriver, includ-
ed in toolbox, to remove caps from
sides of motor housing (see Figure 8).
For optimum performance from your
machine, follow this maintenance sched-
ule and refer to any specific instructions
given in this section.
Note: Brushes are spring loaded; take
care when removing caps.
Daily Check
•
Wipe motor housing, flex shaft, and tool
bits with dry cloth or blow off dust and
debris with compressed air( be sure to
wear a respirator while doing this.).
•
Check for damage to bits, cords, or the
housing.
Lubrication
Figure 8. Replacing 1 of 2 carbon
brushes.
The flex shaft needs to be lubricated with
a light lithium lubricant or machine oil after
25-30 hours of use.
2. Install new brushes.
To lubricate flex shaft:
3. Re-install brush cap. Run tool for 5
minutes to seat brushes before using it
on a workpiece.
1. Remove inner spindle.
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SECTION 7: SERVICE
Troubleshooting
Symptom
Possible Cause
Solution
Motor won't start.
1. Brushes dirty or worn.
2. Power supply inoperative.
3. Power cord defective.
1. Clean or replace burshes.
2. Check circuit breaker.
3. Replace power cord.
Bit slipping.
1. Collet not tight.
1. See Installing Bits on
Page 8.
2. Collet damaged.
3. Bit damaged.
2. Replace collet.
3. Replace bit
Excessive
vibration.
1. Bit not inserted correctly.
1. See Installing Bits on
Page 8.
2. Brushes worn.
2. Replace brushes.
Motor
overheats.
1. Dirty or blocked motor vents.
1. Blow out and wipe down
motor vents.
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Parts Breakdown
REF PART #
DESCRIPTION
REF PART #
DESCRIPTION
1
2
3
4
5
6
7
8
9
PT10828001 POWER CORD 18G 2W 71" 1-15P
PT10828002 TOOL HANGER
10
11
12
13
14
15
16
17
PT10828010 STATOR
PT10828011 ROTOR
PT10828003 ON/OFF SWITCH, CANAL MR-2 125V
PT10828004 AIR DEFLECTOR (L)
PT10828005 AIR DEFLECTOR (R)
PT10828006 CIRCUIT BOARD
PT10828012 HOUSING (R)
PT10828013 SPINDLE LOCK BUTTON
PT10828014 LOCKING RING PLASTIC
PT10828015 COLLET
PT10828007 TAP SCREW M3 X 8
PT10828008 CARBON BRUSH (2-PC SET)
PT10828009 HOUSING (L)
PT10828016 COLLET NUT
PT10828017 TAP SCREW M3 X 15
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WARRANTY
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 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.
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