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Trouble
Machine will not
Incorrect wiring of the unit.
start/restart or
repeatedly trips
circuit breakers
or blows fuses.
On/off switch failure.
Extension cord too light or
too long.
Sanding belt
won't come up to
Low (incoming) voltage.
speed.
Excessive bite or feed
pressure too great.
Drum is worn.
Belt won't track.
Belt is stretched unevenly. Replace belt.
Belt slips or stalls
Sanding belt tension not
on application of
adequate.
pressure.
Too much pressure being
Excessive
used during cuts.
sanding belt
replacement.
Not using full width of belt. Stroke across the belt using full width.
Improper motor mounting. Check and adjust mounting.
Spring on tension
mechanism is fatigued or
Machine vibrates
broken.
excessively.
Drum is loose.
Bad or broken sanding
belt.
Sanding belt too coarse
Sanding marks
for required finish.
on workpiece.
Workpiece sanded across
grain.
Sanding grains
Sanding belt has lost its
quickly rub off
original properties.
belt.
Sanding painted surface.
Sanding belt
becomes glazed.
Wood is wet or gummy.
Probable Cause
Check to make certain all electrical connections are
correct and properly tight. The electrical connections
other than the motor are preassembled and tested at
the factory. Therefore, the motor connections should
be checked as the highest probability for error. If
problems persist, double check the factory wiring.
If the on/off switch is suspect, you have two options:
Have a qualified electrician test the switch for
function, or purchase a new on/off switch and
establish if that was the problem on change out.
Use adequate size extension cord.
Contact qualified electrician.
Allow sanding belt to cut freely, do not force.
Replace drum.
Make sure lever is down all the way.
Reduce pressure.
Replace with new spring.
Tighten cap screw in motor.
Replace sanding belt.
Use proper grit. Coarser grits for stock removal, and
finer grits for finish work.
When surface sanding, use very fine sanding belt
then finish by hand, working in direction of grain.
Do not store sanding belts in extremely dry or high-
temperature areas. Do not fold sanding belts.
Use open-end grain/flint belt.
No cure. Use different stock.
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24
Remedy
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