ENGINE HYDRAULIC STARTING SYSTEM OPERATIONAL CHECK (Continued)

ENGINE HYDRAULIC STARTING SYSTEM OPERATIONAL CHECK - TM-55-1520-240-T-3_775

ENGINE HYDRAULIC STARTING SYSTEM OPERATIONAL CHECK - TM-55-1520-240-T-3_777

TM-55-1520-240-T-3 CH-47D Heilcopter Manual
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TM 55-1520-240-T 15-5.5 ENGINE HYDRAULIC STARTING SYSTEM OPERATIONAL CHECK (Continued) 15-5.5 TASK RESULT 6. Set ENGINE 1 START switch (5) to OFF. NO. 1 ENGINE gas producer tachometer (6) indica- tion shall decrease to 0. If tachometer indication does not decrease or engine continues to motor, go to task 15-5.7. MOTOR NO. 2 ENGINE 7. Set ENGINE 2 START switch (7) to MOTOR. ENGINE 2 STARTER ON light (4) shall come on. NO. 2 ENGINE gas producer tachometer (8) shall indi- cate 10 to 15% N1 as starter motors engine. If EN- GINE 2 STARTER light does not come on, go to task 4-4.10. If engine does not motor, go to task 15-5.6. 8. Set ENGINE 2 START switch (7) to OFF. NO. 2 ENGINE gas producer tachometer (8) indica- tion shall decrease to 0. If tachometer indication does not decrease or engine continues to motor, go to task 15-5.7. FOLLOW-ON MAINTENANCE: TM 55-1520-240-23: Battery disconnected. Electrical power off. Hydraulic power off. END OF TASK Change 23 15-96.1

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