TM 5-6115-584-34
NAVFAC P-8-622-34
TO-35C2-3-456-2
TM-0568C-34
Table 2-3. Troubleshooting (Cont)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
15. STICKING VALVES (CONT).
Step 3. Check clearance between valve stem and guide (paragraph 7-9).
Correct clearance.
16. ENGINE RUNS NORMALLY BUT GENERATOR HAS NO OUTPUT.
Step 1. Check voltage regulator (paragraph 6-6).
Repair or replace regulator.
Step 2. Check exciter field (stator) for open or shorted windings (paragraph 8-2).
Replace stator if necessary.
Step 3. Check diodes on exciter rotor (paragraph 8-2),
Replace diodes if necessary.
Step 4. Check generator field (rotor) for open or shorted windings
Replace rotor if necessary.
Step 5. Check generator rotor flashing circuit (paragraph 6-9).
Replace diode CR2 or bridge rectifier.
(paragraph 8-2).
Step 6. Check generator stator for open, shorted, or grounded windings (paragraph 8-2).
Replace stator if necessary.
Step 7. Check exciter rotor for open, shorted, or grounded windings (paragraph 8-2).
Replace exciter rotor if necessary.
Step 8. Check bridge assembly A4 for defective resistor or diodes (paragraph 6-9).
Replace defective resistor or diodes
17. ENGINE RUNS NORMALLY BUT GENERATOR HAS LOW OUTPUT.
Step 1. Check voltage regulator (paragraph 6-6).
Adjust, repair, or replace regulator.
Step 2. Check generator stator for open or shorted windings (paragraph 8-2),
Replace stator.
Step 3. Check exciter rotor for shorted windings (paragraph 8-2),
Replace rotor.
Step 4. Check diodes on exciter rotor (paragraph 8-2).
Replace diodes as necessary.
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