TM 5-4310-362-14
9-3.
TROUBLESHOOTING CHART
The troubleshooting chart has three headings:
MALFUNCTION. Malfunctions listed are the ones moat likely to happe n. Not all possible malfunctions can be
foreseen and listed.
TEST OR INSPECTION. Tests or inspections are listed to help you find the cause of the malfunction. The tests
that are easiest to do are listed first. The tests that are hardest to do are listed last.
CORRECTIVE ACTION. Corrective actions are listed to help you eliminate the malfunction. Where the
corrective action is too complicated to be listed in full detail, the paragraph number of the detailed procedure is
given in parentheses.
Troubleshooting
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. MOTOR HUMS BUT WON'T RUN
Step 1. Check for bad capacitor. Substitute good 890 mfd capacitor or use capacitor tester
to see if capacitor is 890 mfd. (para 9-8)
Replace bad capacitor
Step 2. Check for open centrifugal switch. (para 9-7)
Replace switch.
Step 3. Check for open starter windings. (para 9-8)
Replace frame and stator assembly.
9-2
