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Symptom
Motor will not start.
Motor will not start; fuses or circuit break-
ers blow.
Motor fails to develop full power (output
of motor decreases rapidly with decrease
in voltage at motor terminals).
Motor overheats.
Motor stalls (resulting in blown fuses or
tripped circuit).
Vibration when running or cutting.
G0565 Adjustable Sponge Sander
Troubleshooting
Possible Cause
1. Low voltage.
2. Open circuit in motor or loose connec-
tions.
1. Short circuit in line cord or plug.
1. Power line overloaded with lights, appli-
ances, and other motors.
2. Undersized wires or circuits too long.
3. General overloading of power company
facilities.
1. Motor overloaded.
2. Air circulation through the motor
restricted.
1. Short circuit in motor or loose connec-
tions.
2. Low voltage.
3. Incorrect fuses or circuit breakers in
power line.
4. Motor overloaded.
1. Loose or damaged sanding belt or
sponge drum.
2. Worn arbor bearings.
3. Damaged arbor shaft.
Disconnect power to the
machine when perform-
ing any troubleshooting.
Failure to do this may
result in serious person-
al injury.
Possible Solution
1. Check power line for proper voltage.
2. Inspect all lead connections on motor
for loose or open connections.
1. Repair or replace cord or plug for dam-
aged insulation and shorted wires.
1. Reduce load on power line.
2. Increase wire sizes or reduce length of
the circuit.
3. Request a power check from the power
company.
1. Reduce load on motor.
2. Clean out motor to provide normal air
circulation.
1. Repair or replace connections on motor
for loose or shorted terminals or worn
insulation.
2. Correct the low voltage conditions.
3. Install correct fuses or circuit breakers.
4. Reduce load on motor.
1. Tighten or replace sanding belt or
sponge drum.
2. Check/replace arbor bearings.
3. Replace the arbor shaft.
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