Royce RC130 - Troubleshooting

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TROUBLESHOOTING
SYMPTOM Motor won’t start;
Running slow;
Getting hot.
POSSIBLE CAUSE Fault in wiring;
Voltage drop;
Faulty unloader;
Faulty pressure switch;
Faulty starter;
Faulty motor.
SYMPTOM Compressor flywheel will not
turn.
POSSIBLE CAUSE Pump seized;
Low oil;
Foreign obstruction.
SYMPTOM Vibration
POSSIBLE CAUSE Uneven location;
Loose mounting bolts;
Internal pump damage;
Wear in pump;
Belts worn or loose.