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OPERATION
-31-
Troubleshooting
SYMPTOM POSSIBLE REASON HOW TO REMEDY
The sander
wobbles or
vibrates.
The mobile base, stand, or platform is loose or
unstable.
The motor or other components are loose,
misaligned, or out of adjustment.
Make sure all fasteners are tight, the rubber
feet are installed, and the sander is operating
on a flat floor.
Make sure all fasteners and sander parts are
tight and/or correctly adjusted.
The belt
has
broken.
The workpiece has been pushed into the belt
with too much force, and/or has been pushed
into the belt against the grain of the wood thus
catching and tearing the belt.
There is too much belt tension for the belt
being used.
The belt is worn out, or the belt splice is
defective.
The idler or drive roller is out of alignment.
A previous fault at one time has damaged the
belt.
1. Push the workpiece into the belt with less
force, and use a coarser grit belt.
2. Dress or replace belts when needed.
3. Only sand wood with the grain and in the
proper sanding direction using the back
stop.
Reduce the belt tension, but NOT so the belt is
too loose.
1. Replace the belt, and contact the belt
manufacturer.
2. Follow all belt-manufacturer storage and
handling instructions.
Re-align the roller system.
Replace the belt.
The sander
will not
start.
There is no power to the wall receptacle or the
sander power cord.
The circuit breaker or fuse has tripped.
The power cord, or extension cord is damaged.
Plug in the power cord and close the applicable
shop power switch.
1. Get a qualified electrician to troubleshoot
and correct the cause for the circuit
breaker or fuse trip.
2. Use another circuit capable of the
increased amperage load.
Replace the power cord or extension cord.
(Continued Next Page)
Use this troubleshooting chart to correct common edge sander problems.