Troubleshooting - Craftsman 351.225950 Operator's Manual

SYMPTOM POSSIBLE CAUSE(S) CORRECTIVE ACTION
Motor will not start 1. Low voltage 1. Check power line for proper voltage
2. Open circuit in motor or loose 2. Inspect all lead connections on motor for loose or
connections open connection
1. Short circuit in line cord or plug Motor will not start;
fuses blown or circuit
breakers are tripped
Motor fails to develop full
power (power output of
motor decreases rapidly
with decrease in voltage
at motor terminals)
2. Short circuit in motor or loose
connections
3. Incorrect fuses or circuit breakers in
power line
1. Power line overloaded with lights,
appliances and other motors
2. Undersize wires or circuits too long
3. General overloading of power
company's facilities
Motor overheats Motor overloaded
Motor stalls
(resulting in blown
fuses or tripped circuit
breakers)
1. Short circuit in motor or loose
connections
2. Low voltage
3. Incorrect fuses or circuit breakers in
power line
4. Motor overload
1. Inspect line cord or plug for damaged insulation and
shorted wires
2. Inspect all lead connections on motor for loose or
shorted terminals or worn insulation on wires
3. Install correct fuses or circuit breakers
1. Reduce the load on the power line
2. Increase wire sizes, or reduce length of wiring
3. Request a voltage check from the power company
Machine slows down Applying too much pressure to workpiece
while operating
Abrasive belt runs off top Not tracking properly See operation "Replacing Abrasive Belt"
wheel
Reduce load on motor
1. Inspect connections in motor for loose or shorted
terminals or worn insulation on lead wires.
2. Correct the low line voltage conditions
3. Install correct fuses or circuit breakers
4. Reduce load on motor
Ease up on pressure
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