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 TM 55-1905-221-14-2
Table 5-1. Troubleshooting.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
ALTERNATOR (Cont)
Step 3. Check for shorted or open rectifier diode(s).
Remove, disassemble alternator, and test diode plates to determine which plate has
faulty diode(s). Replace defective diode(s). Refer to paragraph 5-12.1.
3. Alternator noisy.
Check for worn bearings.
Remove and disassemble alternator and replace worn or defective bearings.
Refer to paragraph 5-12.1.
ELECTRIC STARTING MOTOR
Starter does not crank engine adequately.
Step 1. Check for defective brushes.
Replace brushes. Refer to paragraph 5-12.2.
Step 2. Check for damaged Bendix drive.
Replace Bendix drive. Refer to paragraph 5-12.2.
Step 3. Check for worn bearings.
Remove starter from engine, disassemble, and replace defective bearings. Refer
5-10
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