TM 5-4320-274-14&P
Table 5-1. Troubleshooting (Cont'd)
Malfunction
Test or Inspection
Corrective Action
ELECTRIC MOTOR
1. ELECTRIC MOTOR OVERHEATS.
Step 1. Inspect for defective bearings.
Replace defective bearings (para f-11).
Step 2. Inspect and test for faulty stator windings.
Replace defective stator (para 6-11).
2. ELECTRIC MOTOR VIBRATES.
Step 1. Inspect for defective or broken fan.
If defects are apparent, replace fan (para 6-11).
Step 2. Inspect for defective bearings.
Replace defective bearings (para 6-11).
Step 3. Inspect for warped rotor shaft.
If warped, replace rotor (para 6-11).
3. ELECTRIC MOTOR FAILS TO START.
Step 1. Check for defective bearings.
If defective, replace bearings (para 6-11).
Step 2 Inspect and test for faulty stator windings.
Replace defective stator (para 6-11).
Step 3. Inspect for defective rotor.
If defective, replace rotor (para 6-11).
4. POWER LEAKAGE IN ELECTRIC MOTOR.
Step 1. Inspect for defective bearings.
Replace bearings (para 6-11).
Step 2. Inspect and test rotor and stator.
If defective, replace rotor and stator (para 611).
5-3