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G0537 Scroll Saw -25-
SYMPTOM
Blade won’t stay on layout
line.
Excessive blade break-
age.
Motor will not start.
Motor will not start; fuses
or circuit breakers blow.
Motor overheats.
Motor stalls (resulting in
blown fuses or tripped cir-
cuit).
Machine slows or stalls
when operating.
POSSIBLE CAUSE
1. Blade not tensioned enough.
1. Blade tensioned too much.
2. Upper and lower blade guides are not
perfectly in line.
1. Low voltage.
2. Open circuit in motor or loose connec-
tions.
1. Short circuit in line cord or plug.
2. Short circuit in motor or loose connec-
tions.
3. Incorrect fuses or circuit breakers in
power line.
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. Applying too much pressure to work-
piece.
2. Badly worn motor brushes.
CORRECTIVE ACTION
1. Increase tension on blade.
1. Loosen blade tension.
2. Loosen guides and line them up.
1. Check power line for proper voltage.
2. Inspect all lead connections on motor for loose or open connec-
tions.
1. Inspect cord or plug for damaged insulation and shorted wires.
2. Inspect all connections on motor for loose or shorted terminals
or worn insulation.
3. Install correct fuses or circuit breakers.
1. Reduce load on motor.
2. Clean out motor to provide normal air circulation.
1. Inspect 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. Feed workpiece slower.
2. Replace motor brushes.
Troubleshooting Guide