Table 3-3. Operator Troubleshooting (Continued)

Table 3-3. Operator Troubleshooting (Continued) - TM-9-6115-604-12_143

SECTION V. OPERATOR MAINTENANCE INSTRUCTIONS

TM-9-6115-604-12 Generator Set Diesel Engine Driven Tactical Skid Rtd. 60 Kw 3 Phase 4 Wire 120/208 and 240/416 Volts Manual
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ARMY TM 9-6115-604-12 NAVY NAVFAC P-8-633-12 Table 3-3. Operator Troubleshooting (Continued) MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION 6. ENGINE EXHAUST EXCESSIVELY BLACK. Step 1 Check air restriction indicators. If ether or both air restriction Indicators shows red, service air cleaner In accordance with paragraph 3-15. Step 2. Check AC KILOWATTS meter on control panel for overload condition. Reduce load to rated level. Step 3. Inspect crankcase breather and hose for obstruction Refer to the next higher level of maintenance for repair. Step 4. Restricted exhaust system. Repair exhaust system. Step 5. Light loads. Increase load. 7. ENGINE EXHAUST WHITE OR BLUE. Step 1 Verify that proper grade fuel and lubricant Is used. Refer to Table 3-1 for proper grade fuel and lubricant. Step 2. Check for excessive lube oil using sight gage with engine running or oil level gage If not running. Drain crankcase until proper level is indicated. Step 3 Excessive oil consumption Refer to the next higher level of maintenance. 8. GENERATOR OUTPUT FREQUENCY AND VOLTAGE CANNOT BE MAINTAINED. Finely adjust the FREQ ADJ rheostat on the front panel until the exact desired frequency reading is obtained on the FREQUENCY meter. If frequency still cannot be maintained, see malfunction 5, above. 9. ANNUNCIATOR PANEL INDICATOR LAMPS FAIL TO LIGHT. Check FAULT indicator lamps by pressing ANNUNCIATOR TEST switch. If any lamps fall to light or light dimly, replace lamp If replacing lamp falls to correct problem, refer to direct support maintenance level. 10. LOAD CIRCUIT BREAKER CB101 FAILS TO CLOSE. Step 1. Check phase connection of generator set to bus. Load circuit breaker CB101 will not close If generator set and bus are out of phase Shut down generator set. Correct phase connections. Step 2. Check status of bus. Load circuit breaker CB101 will not close onto live bus If In single unit operation. Perform parallel operating procedures to close onto a live bus. 3-22

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