Wen AT6510 User manual

OSCILLATING
SPINDLE SANDER
Instruction Manual
IMPORTANT: Your new tool has been engineered and manufactured to WEN’s highest standards for dependability,
ease of operation, and operator safety. When properly cared for, this product will supply you years of rugged,
trouble-free performance. Pay close attention to the rules for safe operation, warnings, and cautions. If you use
your tool properly and for its intended purpose, you will enjoy years of safe, reliable service.
NEED HELP? CONTACT US!
Have product questions? Need technical support? Please feel free to contact us:
For replacement parts and the most up-to-date instruction manuals, visit WENPRODUCTS.COM
MODEL AT6510

CONTENTS
WELCOME 3
Introduction ..................................................................................................... 3
Specifications................................................................................................... 3
SAFETY 4
General Safety Rules........................................................................................ 4
Spindle Sander Safety Warnings...................................................................... 6
Electrical Information....................................................................................... 8
BEFORE OPERATING 9
Know Your Spindle Sander ...............................................................................9
Assembly & Adjustments............................................................................... 10
OPERATION & MAINTENANCE 13
Operation ....................................................................................................... 13
Maintenance....................................................................................................14
Troubleshooting Guide................................................................................... 15
Exploded View & Parts List.............................................................................17
Warranty Statement ........................................................................................20
To purchase accessories and replacement parts for your tool, visit WENPRODUCTS.COM
80-Grit Sanding Sleeves (Model 6510SP80)
120-Grit Sanding Sleeves (Model 6510SP120)
150-Grit Sanding Sleeves (Model 6510SP150)
240-Grit Sanding Sleeves (Model 6510SP240)
Assorted Sanding Sleeve Combo Pack (Model 6510SPC)
2

Model Numbers AT6510
Power 120V, 60 Hz, 3.5A
No Load Speed 2000 RPM
Oscillations 58 OPM with 5/8" of Travel
Spindle Size 1/2"
Sanding Sleeve Sizes 1/2", 3/4", 1", 1-1/2", 2", 3" (80 Grit)
Maximum Workpiece Height 3-5/8"
Weight 35 Pounds
SPECIFICATIONS
INTRODUCTION
Thanks for purchasing the WEN Spindle Sander. We know you are excited to put your tool to work, but first, please
take a moment to read through the manual. Safe operation of this tool requires that you read and understand this
operator’s manual and all the labels affixed to the tool. This manual provides information regarding potential safety
concerns, as well as helpful assembly and operating instructions for your tool.
NOTE: The following safety information is not meant to cover all possible conditions and situations that may occur.
WEN reserves the right to change this product and specifications at any time without prior notice.
At WEN, we are continuously improving our products. If you find that your tool does not exactly match this manual,
please visit wenproducts.com for the most up-to-date manual or contact our customer service at 1-800-232-1195.
Keep this manual available to all users during the entire life of the tool and review it frequently to maximize
safety for both yourself and others.
Indicates danger, warning, or caution. The safety symbols and the explanations with them deserve your
careful attention and understanding. Always follow the safety precautions to reduce the risk of fire, electric shock
or personal injury. However, please note that these instructions and warnings are not substitutes for proper ac-
cident prevention measures.
3

GENERAL SAFETY RULES
WORK AREA SAFETY
1. Keep work area clean and well lit. Cluttered or dark
areas invite accidents.
2. Do not operate power tools in explosive atmo-
spheres, such as in the presence of flammable liquids,
gases or dust. Power tools create sparks which may ig-
nite the dust or fumes.
3. Keep children and bystanders away while operating
a power tool. Distractions can cause you to lose control.
ELECTRICAL SAFETY
1. Power tool plugs must match the outlet. Never mod-
ify the plug in any way. Do not use any adapter plugs
with earthed (grounded) power tools. Unmodified plugs
and matching outlets will reduce risk of electric shock.
2. Avoid body contact with earthed or grounded surfac-
es such as pipes, radiators, ranges and refrigerators.
There is an increased risk of electric shock if your body
is earthed or grounded.
3. Do not expose power tools to rain or wet conditions.
Water entering a power tool will increase the risk of elec-
tric shock.
4. Do not abuse the cord. Never use the cord for car-
rying, pulling or unplugging the power tool. Keep cord
away from heat, oil, sharp edges or moving parts.
Damaged or entangled cords increase the risk of electric
shock.
5. When operating a power tool outdoors, use an ex-
tension cord suitable for outdoor use. Use of a cord
suitable for outdoor use reduces the risk of electric
shock.
6. If operating a power tool in a damp location is un-
avoidable, use a ground fault circuit interrupter (GFCI)
protected supply. Use of a GFCI reduces the risk of elec-
tric shock.
PERSONAL SAFETY
1. Stay alert, watch what you are doing and use com-
mon sense when operating a power tool. Do not use a
power tool while you are tired or under the influence
of drugs, alcohol or medication. A moment of inatten-
tion while operating power tools may result in serious
personal injury.
2. Use personal protective equipment. Always wear
eye protection. Protective equipment such as a respira-
tory mask, non-skid safety shoes and hearing protection
used for appropriate conditions will reduce the risk of
personal injury.
3. Prevent unintentional starting. Ensure the switch is
in the off-position before connecting to power source
and/or battery pack, picking up or carrying the tool.
Carrying power tools with your finger on the switch or
energizing power tools that have the switch on invites
accidents.
4. Remove any adjusting key or wrench before turning
the power tool on. A wrench or a key left attached to a
rotating part of the power tool may result in personal
injury.
5. Do not overreach. Keep proper footing and balance
at all times. This enables better control of the power
tool in unexpected situations.
6. Dress properly. Do not wear loose clothing or jew-
elry. Keep your hair and clothing away from moving
parts. Loose clothes, jewelry or long hair can be caught
in moving parts.
Safety is a combination of common sense, staying alert and knowing how your item works. The term “power tool”
in the warnings refers to your mains-operated (corded) power tool or battery-operated (cordless) power tool.
SAVE THESE SAFETY INSTRUCTIONS.
WARNING! Read all safety warnings and all instructions. Failure to follow the warnings and instructions may
result in electric shock, fire and/or serious injury.
4

GENERAL SAFETY RULES
7. If devices are provided for the connection of dust
extraction and collection facilities, ensure these are
connected and properly used. Use of dust collection
can reduce dust-related hazards.
POWER TOOL USE AND CARE
1. Do not force the power tool. Use the correct power
tool for your application. The correct power tool will
do the job better and safer at the rate for which it was
designed.
2. Do not use the power tool if the switch does not turn
it on and off. Any power tool that cannot be controlled
with the switch is dangerous and must be repaired.
3. Disconnect the plug from the power source and/or
the battery pack from the power tool before making
any adjustments, changing accessories, or storing
power tools. Such preventive safety measures reduce
the risk of starting the power tool accidentally.
4. Store idle power tools out of the reach of children
and do not allow persons unfamiliar with the power
tool or these instructions to operate the power tool.
Power tools are dangerous in the hands of untrained us-
ers.
5. Maintain power tools. Check for misalignment or
binding of moving parts, breakage of parts and any
other condition that may affect the power tool’s opera-
tion. If damaged, have the power tool repaired before
use. Many accidents are caused by poorly maintained
power tools.
6. Keep cutting tools sharp and clean. Properly main-
tained cutting tools with sharp cutting edges are less
likely to bind and are easier to control.
7. Use the power tool, accessories and tool bits, etc.
in accordance with these instructions, taking into ac-
count the working conditions and the work to be per-
formed. Use of the power tool for operations different
from those intended could result in a hazardous situa-
tion.
8. Use clamps to secure your workpiece to a stable
surface. Holding a workpiece by hand or using your
body to support it may lead to loss of control.
9. KEEP GUARDS IN PLACE and in working order.
SERVICE
1. Have your power tool serviced by a qualified repair
person using only identical replacement parts. This
will ensure that the safety of the power tool is main-
tained.
CALIFORNIA PROPOSITION 65 WARNING
Some dust created by power sanding, sawing, grinding,
drilling, and other construction activities may contain
chemicals, including lead, known to the State of Califor-
nia to cause cancer, birth defects, or other reproductive
harm. Wash hands after handling. Some examples of
these chemicals are:
• Lead from lead-based paints.
• Crystalline silica from bricks, cement, and other
masonry products.
• Arsenic and chromium from chemically treated
lumber.
Your risk from these exposures varies depending on
how often you do this type of work. To reduce your ex-
posure to these chemicals, work in a well-ventilated area
with approved safety equipment such as dust masks
specially designed to filter out microscopic particles.
Safety is a combination of common sense, staying alert and knowing how your item works. The term “power tool”
in the warnings refers to your mains-operated (corded) power tool or battery-operated (cordless) power tool.
SAVE THESE SAFETY INSTRUCTIONS.
WARNING! Read all safety warnings and all instructions. Failure to follow the warnings and instructions may
result in electric shock, fire and/or serious injury.
5

SPINDLE SANDER SAFETY
1. TOOL PURPOSE. This sander is designed to sand
wood or wood-like products only. Sanding or grinding
other materials could result in fire, injury, or damage to
the workpiece. Using the machine for any other purpose
for which it is not designed may result in serious inju-
ries, machine damage and voiding of the warranty.
2. MACHINE MOUNTING. For operation safety, the
sander must be securely mounted onto a flat and stable
surface or stand.
3. PERSONAL SAFETY
• Always wear ANSI Z87.1-approved glasses with side
shields, hearing protection and a dust mask.
• Do not wear loose clothing or jewelry, as they might
get drawn in by the tool. Tie back long hair.
• DO NOT wear gloves while operating this machine.
4. ELECTRIC CORDS. Keep cords away from heat, oil,
sharp edges, and moving parts of the tool. Have an elec-
trician replace or repair damaged or worn cords imme-
diately.
5. TOOL & ACCESSORIES INSPECTION. Before opera-
tion, check the tool and accessories for any damage or
missing parts. Do not use the tool if any part is missing
or damaged. Make sure all adjustments are correct and
all connections are tight. Keep all guards in place.
6. SANDING ACCESSORIES
• Do not use sanding sleeves or drums that are dam-
aged, torn, or loose. Replace worn or damaged
sanding sleeves before operation.
• Always unplug the unit before making adjustments or
changing sandpaper, rubber drums or throat plates.
• Always use the throat plate that matches the diam-
eter of the drum to minimize the gap between the
drum and the throat plate opening; this will reduce
the risk of personal injury.
7. WORKPIECE REQUIREMENTS
• Only stand workpieces sturdy enough to withstand
the force of the sanding spindle.
• Inspect the workpiece for imperfections, nails, sta-
ples, etc. before sanding. Never sand stock that has
questionable imperfections or embedded foreign ob-
jects.
• When sanding a large workpiece, provide additional
support. Do not sand with the workpiece unsup-
ported.
• Sand only one workpiece at a time.
8. PREVENTING ACCIDENTAL STARTING. Make sure
the power switch is in the OFF position prior to plugging
in the machine. Always make sure the power switch is
in the OFF position and the machine is unplugged when
doing any cleaning, assembly, setup operations, or when
not in use.
SPINDLE SANDER SAFETY WARNINGS
WARNING! Do not operate the power tool until you have read and understood the following instructions and
the warning labels.
6

These safety instructions can’t possibly warn of every scenario that may arise with this tool,
so always make sure to stay alert and use common sense during operation.
SPINDLE SANDER SAFETY WARNINGS
WARNING! Do not operate the power tool until you have read and understood the following instructions and
the warning labels.
9. Do not operate this tool until it is completely assem-
bled and installed according to the instructions.
10. Remove scrap pieces and other objects from the
table and sanding sleeve before turning ON the sander.
11. FEEDING THE WORKPIECE
• Allow spindle to reach full speed before feeding the
workpiece. Do not turn on the machine while the
sanding sleeve is contacting the workpiece.
• Be aware of the direction of the spindle’s rotation
(counterclockwise). Only feed the workpiece against
the rotation of the spindle.
• Firmly hold the workpiece and lightly ease it against
the spindle. Do not forcefully jam a workpiece into
the sanding surface.
12. Do not touch moving pieces. Keep hands away from
the drum during operation. If cleaning is necessary, use
a brush to remove sawdust and chips instead of your
hands.
13. Never perform layout, assembly or set-up work on
the table while the sander is operating.
14. After turning off the sander, wait until the spindle
comes to a complete stop before touching the work-
piece.
15. Always turn off and unplug the machine before
cleaning, making adjustments or changing attachments.
Accidental start-ups may occur if the tool is plugged in
during an accessory change or adjustment.
16. CLEANING. Never use solvents to clean plastic parts.
Solvents could dissolve or otherwise damage the mate-
rial. Use only a soft damp cloth to clean plastic parts.
17. REPLACEMENTS. Should any component of your
sander be missing/damaged or fail in any way, shut off
the switch and remove the plug from power supply out-
let. Replace the missing, damaged, or failed parts using
only identical replacement parts before resuming opera-
tion.
7

ELECTRICAL INFORMATION
1. EXAMINE EXTENSION CORD BEFORE USE. Make sure your extension cord is properly wired and in good condi-
tion. Always replace a damaged extension cord or have it repaired by a qualified person before using it.
2. DO NOT ABUSE EXTENSION CORD. Do not pull on cord to disconnect from receptacle; always disconnect by pull-
ing on plug. Disconnect the extension cord from the receptacle before disconnecting the product from the extension
cord. Protect your extension cords from sharp objects, excessive heat and damp/wet areas.
3. USE A SEPARATE ELECTRICAL CIRCUIT FOR YOUR TOOL. This circuit must not be less than a 12-gauge wire
and should be protected with a 15A time-delayed fuse. Before connecting the motor to the power line, make sure
the switch is in the OFF position and the electric current is rated the same as the current stamped on the motor
nameplate. Running at a lower voltage will damage the motor.
GUIDELINES AND RECOMMENDATIONS FOR EXTENSION CORDS
When using an extension cord, be sure to use one heavy enough to carry the current your product will draw. An
undersized cord will cause a drop in line voltage resulting in loss of power and overheating. The table below shows
the correct size to be used according to cord length and ampere rating. When in doubt, use a heavier cord. The
smaller the gauge number, the heavier the cord.
AMPERAGE REQUIRED GAUGE FOR EXTENSION CORDS
25 ft. 50 ft. 100 ft. 150 ft.
3.5A 18 gauge 16 gauge 16 gauge 14 gauge
IMPORTANT: Servicing a double-insulated product requires extreme care and knowledge of the system, and
should be done only by qualified service personnel using identical replacement parts. Always use original factory
replacement parts when servicing.
1. POLARIZED PLUGS. To reduce the risk of electric shock, this equipment has a polarized plug (one blade is wider
than the other). This plug will fit in a polarized outlet only one way. If the plug does not fit fully in the outlet, reverse
the plug. If it still does not fit, contact a qualified electrician to install a proper outlet. Do not modify the machine
plug or the extension cord in any way.
2. GROUND FAULT CIRCUIT INTERRUPTER PROTECTION (GFCI) should be provided on the circuit or outlet used
for this power tool to reduce the risk of electric shock.
3. SERVICE AND REPAIR. To avoid danger, electrical appliances must only be repaired by qualified service techni-
cian using original replacement parts.
DOUBLE-INSULATED TOOLS
The tool’s electrical system is double insulated where two systems of insulation are provided. This
eliminates the need for the usual three-wire grounded power cord. Double insulated tools do not need
to be grounded, nor should a means for grounding be added to the product. All exposed metal parts
are isolated from the internal metal motor components with protecting insulation.
8

Dust Port
Accessory Storage
(On 3 sides of the machine)
Spindle
Spindle Upper Washer
Sanding Drum & Sleeve
Throat Plate
Circuit
Breaker
ON/OFF Switch
with Safety Key
Work Table
Rubber
Sanding
Drums
Mounting Holes
CLEANING THE WORK TABLE SURFACE
Your sander's work table comes protected with a layer of anti-rust coating. Clean the rust-protected surfaces using
a soft cloth, moistened with kerosene. Do not use gasoline, or cellulose-based solvents such as paint thinner or
lacquer thinner, as these will damage the painted surfaces.
After cleaning, apply a coat of paste wax to the table to prevent rust. Wipe all parts thoroughly with a clean, dry cloth.
KNOW YOUR SPINDLE SANDER
UNPACKING
With the help of a friend or trustworthy foe, carefully remove the Spindle Sander from the packaging. Make sure to
take out all contents and accessories. Do not discard the packaging until everything is removed. Check the packing
list below to make sure you have all of the parts and accessories. If any part is missing or broken, please contact
TOOL PURPOSE
Spindle sanding is the preferred method of removing material from inside curves and irregular edges. The oscil-
lating spindle moves up and down as it rotates to help smooth workpiece surfaces quickly and evenly. Refer to the
diagram below to become familiarized with the parts and controls of your spindle sander.
WARNING! Do not plug in or turn on the tool until it is fully assembled according to the instructions. Failure
to follow the safety instructions may result in serious personal injury.
FRONT
VIEW
9

Hardware & Tools
Accessories
Before using the spindle sander, you must configure the machine by installing the appropriate sanding drum, sand-
ing sleeve, throat plate and spindle washer for your operation. Check your packing list against the diagram below.
If any part is damaged or missing, please contact our customer service at 1-(800) 232-1195, M-F 8-5 CST or email
PACKING LIST
Spindle Nut
Wrench
Spindle with
Lock Nut
ASSEMBLY & ADJUSTMENTS
(13 mm)
1/2"
(19 mm)
3/4"
(26 mm)
1"
(38 mm)
1-1/2"
(51 mm)
2"
(76 mm)
3"
NOTE: 1/2" sanding sleeve
fits directly on the spindle.
Rubber Sanding Drums (5)
80-Grit Sanding Sleeves (6)
Sanding Throat Plates (6)
Upper Spindle Washer Size Small Medium Large
10
Upper Spindle Washer (3)
L
S M
Lower Spindle Washer (1)
Locking
Washer (1)

Align the notch
1
2
3
4
5
6
8
7
ACCESSORY SELECTION
Refer to the packing list diagram on page 10 to ensure that you are using the proper sizes of throat plates, drums
and washers for each respective sanding sleeve. To ensure the workpiece can be properly supported and to mini-
mize clearance, use the throat plate that matches the drum and sleeve that you’ll be working with. The size of the
throat plate is marked on the plate's surface.
NOTE: The smallest size sanding sleeve does not include a drum. It goes directly onto the bare spindle.
INSTALLING THE ACCESSORIES
1. Disconnect the machine from the power source.
2. Slide the lower spindle washer (Fig. 2 - 2) over the spin-
dle shaft.
3. Install the preferred rubber drum (Fig. 2 - 4) onto the
spindle shaft, followed by the corresponding sanding sleeve
(Fig. 2 - 5) and throat plate (Fig. 2 - 3). Make sure the
printed side of the throat plate is facing up.
NOTE: The 1/2" sleeve is installed directly onto the spindle.
4. Secure the sanding accessories in place with the proper
size of upper spindle washer (Fig. 2 - 6), according to the
packing list on p. 10, and a locking washer (Fig. 2 - 7).
Tighten the spindle nut on top (Fig. 2 - 8) with the spindle
nut wrench until the sanding drum is fully expanded and
securely holds the sanding sleeve. The sleeve should not be
able to freely rotate without also rotating the sanding drum.
ASSEMBLY & ADJUSTMENTS
WARNING! Do not plug in or turn on the tool until it is fully assembled according to the instructions. Failure
to follow the safety instructions may result in serious personal injury.
Fig. 2
11
8

MACHINE MOUNTING
For safe operation, the machine must be secured onto a flat, secure workbench or stand. The base of the machine
has four 6 mm mounting holes. Place the sander on the mounting surface, and insert a pencil through the mounting
holes to mark the hole locations. Remove the sander and drill out the mounting holes. Then align the sander base
over the mounting holes and secure the machine using four mounting bolts, washers, locking washers and hex nuts
(mounting hardware not included). Securely tighten the hex nuts.
For temporary mounting, secure the sander to a mobile mounting board and use 2 large C-Clamps to secure the
mounting board to a solid surface.
TIP: Your spindle sander is compatible with the WEN MSA658T Multipurpose Planer Stand, available at wen-
products.com. Forget measuring and drilling holes on your workbench. Simply mount your machine onto the
stand with pre-drilled holes, and transport your machine around the workshop with ease.
DUST COLLECTION
To connect a dust collection system to the machine:
1. Fit a 1.5-inch dust hose (not included) over the dust port
and secure the hose in place with a hose clamp if needed (not
included).
2. Tug the hose to make sure the fitting is tight. A tight fit is
necessary for proper performance.
3. Connect the other end of the dust hose to the dust collection system of your choice. A dust port adapter may be
needed (not included), depending on the inlet size of your dust extractor. The dust port has an outer diameter of 1.5
inches, and an inner diameter of 1.4 inches.
NOTE: Failure to use a dust collection system will void the warranty on this item. You must use a dust collection
system for the warranty to be valid.
ASSEMBLY & ADJUSTMENTS
WARNING! Do not plug in or turn on the tool until it is fully assembled according to the instructions. Failure
to follow the safety instructions may result in serious personal injury.
Fig. 3
WARNING! Sanding operations are dusty and can pro-
duce particles that are harmful to your health. Always wear
a dust mask and use an adequate dust collection system.
12

OPERATING THE SPINDLE SANDER
1. Make sure that the machine has been securely mounted, and all
accessories have been properly installed according to the instruc-
tions in the "ASSEMBLY & ADJUSTMENTS" section.
2. Plug in and turn ON the sander. Let the spindle reach full speed.
3. Maintain a firm grip with both hands on the workpiece for maxi-
mum control. Slowly guide the workpiece against the rotation of
the spindle (Fig. 5).
ON/OFF SWITCH WITH SAFETY KEY
The keyed ON/OFF switch (Fig. 4) is intended to prevent unau-
thorized use of the sander.
1. To turn the sander ON, insert the safety key into the key slot in
the center of the switch. Lift the switch up to turn ON the sander.
3. To turn the sander OFF, push switch down. Remove the safety
key when the sander has come to a complete stop by gently pull-
ing it out.
NOTE: The spindle rotates in a counterclockwise direction. Guide the workpiece from the right to left.
If you guide the workpiece in the opposite direction, the forces of the spinning sanding sleeve will tend to throw or
bounce the workpiece away from the sanding sleeve, possibly resulting in injuries.
4. Maintain downward pressure on the workpiece against the table, gently working it along the sanding sleeve until
the desired curve has been created. Do not force the workpiece against the sanding sleeve.
5. When you are finished, turn OFF the sander and wait for the spindle to come to a complete stop.
6. Remove the safety key and unplug the machine from the outlet. Follow the maintenance instructions on the next
page to clean and maintain your sander.
OPERATION
WARNING! Remove the safety key whenever the sander is not in use. Place the key in a safe place and out
of the reach of children.
Fig. 4
ON
OFF
Fig. 5
13

ROUTINE INSPECTION
Before each use, inspect the general condition of the tool. If any of these following conditions exist, do not use until
parts are replaced or the sharpener is properly repaired.
Check for:
• Loose hardware or improper mounting,
• Misalignment or binding of moving parts,
• Damaged cord/electrical wiring,
• Cracked or broken parts, and
• Any other condition that may affect its safe operation
CLEANING & STORAGE
1. After every operation, use a vacuum to remove dust and chips from the tool surfaces, motor housing and work
area. Keep the ventilation openings free from dust and debris to prevent the motor from overheating.
2. Wipe the tool surfaces clean with a soft cloth or brush. Make sure water does not get into the tool.
3. Periodically, remove the throat plate and lower spindle washer and remove any dust accumulation in the throat
plate area.
CAUTION: Most plastics are susceptible to damage from various types of commercial solvents. Do not use any
solvents or cleaning products that could damage the plastic parts. Some of these include but are not limited to:
gasoline, carbon tetrachloride, chlorinated cleaning solvents, and household detergents that contain ammonia.
4. Store the tool in a clean and dry place away from the reach of children. Store sanding accessories away from
extremely hot/dry temperatures. Do not bend or fold the sanding sleeves.
LUBRICATION
All ball bearings are sealed and permanently lubricated. No further lubrication is required.
PRODUCT DISPOSAL
Used power tools should not be disposed of together with household waste. This product contains electronic com-
ponents that should be recycled. Please take this product to your local recycling facility for responsible disposal and
to minimize its environmental impact.
MAINTENANCE
WARNING! To avoid accidents, turn OFF and unplug the tool from the electrical outlet before cleaning, ad-
justing, or performing any maintenance or lubrication work.
WARNING! Any attempt to repair or replace electrical parts on this tool may be hazardous. Servicing of the
tool must be performed by a qualified technician. When servicing, use only identical WEN replacement parts.
Use of other parts may be hazardous or induce product failure.
14

PROBLEM CAUSE SOLUTION
Sander does
not turn on.
1. Power cord or extension cord dam-
aged or not properly plugged in.
1. Check the power cord, extension cord, power plug
and the power outlet. Make sure the tool is properly
plugged in. Do not use the if any cord is damaged.
2. Safety key is removed from power
switch. 2. Insert the safety key into the power switch.
3. Defective power switch, defective
motor or wiring, short circuit or loose
connections.
3. Stop using the tool and contact customer service at
1-(800) 232-1195, M-F 8-5 CST for assistance. Repairs
must be done by a qualified technician.
4. Circuit breaker is tripped. 4. Push circuit breaker to reset.
5. Worn carbon brushes. 5. Replace carbon brushes.
Motor
overheats.
1. Motor overloaded. 1. Reduce load on motor - reduce pressure on the work-
piece being sanded.
2. Extension cord too long with an insuf-
ficient gauge.
2. Utilize an extension cord of appropriate gauge and
length or plug tool directly into outlet (see page 8).
3. Dust collection not being used. 3. Use dust collection.
Sanding grains
easily rub off.
1. Sanding sleeve has been stored in an
incorrect environment.
1. Store sanding accessories away from extremely hot/
dry temperatures.
2. Sanding sleeve has been damaged or
folded. 2. Store sanding accessories flat—not bent or folded.
Deep
sanding
grooves or
scars in
workpiece.
1. Sanding sleeve grit is too coarse for
the desired finish. 1. Use a finer-grit sanding accessory.
2. Workpiece sanded across the grain. 2. Sand with the grain of the wood.
3. Too much sanding force. 3. Reduce pressure on workpiece while sanding.
4. Workpiece held still against sanding
surface for too long.
4. Keep workpiece moving while sanding on the sanding
sleeve.
TROUBLESHOOTING GUIDE
WARNING! Stop using the tool immediately if any of the following problems occur. Repairs and replace-
ments should only be performed by an authorized technician. For any questions, please contact our customer
15

PROBLEM CAUSE SOLUTION
Burns on the
workpiece.
1. Using a sanding grit that is too fine. 1. Use a coarser-grit sanding accessory.
2. Using too much pressure. 2. Reduce sanding pressure on workpiece.
3. Work held still for too long. 3. Do not keep workpiece in one place for too long.
4. Sanding sleeve loaded with debris. 4. Clean or replace the sanding sleeve.
Sanding
surface clogs
quickly.
1. Too much pressure against sleeve. 1. Clean sanding sleeve. Reduce pressure on workpiece
while sanding.
2. Sanding softwood.
2. Use different stock/sanding accessories, or accept
that this will happen and plan on cleaning or replacing
sleeves frequently.
Sander
vibrates
excessively
or has noisy
operation.
1. Sanding sleeve out of balance or is
loose. 1. Ensure sleeve is properly installed.
2. Motor or internal components loose. 2. Inspect/replace damaged bolts/nuts and retighten
with thread-locking fluid.
3. Machine not properly mounted. 3. Tighten mounting hardware.
4. Faulty motor bearings. 4. Test by rotating shaft; rotational grinding/loose shaft
requires bearing replacement.
Sanding stops
oscillating.
1. Spindle drive belt is broken and re-
quires replacement.
1. Contact customer service at 1-(800) 232-1195, M-F
8-5 CST for assistance. Repairs must be done by a
qualified technician.
TROUBLESHOOTING GUIDE
WARNING! Stop using the tool immediately if any of the following problems occur. Repairs and replace-
ments should only be performed by an authorized technician. For any questions, please contact our customer
16
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