Table 3-2. Unit Maintenance Troubleshooting.
TEST OR INSPECTION
FLYWHEEL REVOLVES IN WRONG DIRECTION.
Check that proper oil level is visible through sight gage (para 3-2).
If oil level is normal, notify Forward Intermediate Maintenance.
MOTOR/COMPRESSOR SPEED SLOWS DOWN.
Check line voltage for 115 vac.
If line voltage is abnormal, notify your supervisor.
Check for damaged motor pulley and damaged compressor flywheel.
If motor pulley is damaged, replace damaged motor pulley (para 3-15)
If compressor flywheel is damaged, replace damaged compressor flywheel (para 3-17).
If motor pulley and compressor flywheel are undamaged, proceed to step 2.
If compressor flywheel is wobbling, replace compressor (para 3-16).