Table 2-3. Troubleshooting (Cont)

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. 2-10