TM 5-4310-373-14
Table 4-2. Troubleshooting continued
Malfunction
Test or Inspection
Corrective Action
ELECTRIC continued
4. MOTOR WON'T RUN.
Step 1. Check if main power and on/off switch is open.
Turn main power on.
Step 2. Check motor controls
Repair motor controls.
Step 3. Check wiring of motor.
Rewire motor correctly.
Figure 4-14. External wiring of motor
Step 4. Check for open motor windings. Check for open circuit between motor leads T1 and T2, T1 and T3, and
T2 and T3 (para 4-41).
If windings are open, notify direct support..
5. IF OVERLOAD KICKS OUT REPEATEDLY.
Step 1. Check for short circuits between windings T1, T2, T3 and motor frame (para 4-41).
If windings are shorted, notify direct support.
Step 2. Check interstage safety relief valve for sticking.
Clean and replace if defective.
Step 3. Check compressor valves for damage or sticking.
Clean and replace if defective.
4-11
