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 TM 55-1905-222-14
Troubleshooting - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
ELECTRICAL SYSTEM - Continued
3.
NOISY ALTERNATOR.
Step 1.
Check to see if alternator drive belts are worn or defective.
Replace alternator drive belts.
Step 2.
Check to see if alternator bearings are worn.
Replace alternator (para 4-12). Send defective alternator to direct support maintenance for repair.
4.
BATTERIES WILL NOT HOLD CHARGE.
Test to see if batteries are defective.
Replace batteries (para 4-11.)
5.
ELECTRICAL SWITCHES FAIL TO START ENGINE.
Step 1.
Check to see if batteries are dead.
Replace batteries (para 4-7).
Step 2.
Check to see if wiring is defective.
Replace/repair wiring (para 4-7).
Step 3.
Check to see if switches are defective.
Replace switches (para 4-7).
6.
ENGINE ROOM/LAZARETTE/CARGO WELL LIGHTS DO NOT LIGHT UP.
Step 1.
Check to see if wiring is defective.
Replace/repair wiring (para. 4-17).
4-9
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