ENGINE HYDRAULIC STARTING SYSTEM OPERATIONAL CHECK

ENGINE HYDRAULIC STARTING SYSTEM VISUAL CHECK (Continued)

ENGINE HYDRAULIC STARTING SYSTEM OPERATIONAL CHECK (Continued) - TM-55-1520-240-T-3_776

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 15-5.5 INITIAL SETUP Equipment Condition: Applicable Configurations: TM 55-1520-240-23: Without 74 Battery Connected Electrical Power On Tools: Hydraulic Power On None Ignition Switch Key Removed Materials: General Safety Instructions: None Personnel Required: Medium Helicopter Repairer (2) WARNING References: Make sure that rotor blades are clear of TM 55-1520-240-23 obstructions and that personnel are aware that rotor blades may turn dur- ing engine motoring. Turning blades can cause damage or serious injury to personnel. TASK RESULT 1. Check that ENGINE NO. 1 START & TEMP circuit If START & TEMP circuit breaker (1) is open, close it. If it breaker (1) is closed. opens again, go to task 4-4.6. 2. Check that ENGINE NO. 2 START & TEMP circuit If START & TEMP circuit breaker (2) is open, close it. If it breaker (2) is closed. opens again, go to task 4-4.8. 3. Press and release ENGINE 1 STARTER ON light (3). Light (3) shall momentarily come on. If it does not light, go to task 4-4.9. 4. Press and release ENGINE 2 STARTER ON light (4). Light (4) shall momentarily come on. If it does not light, go to task 4-4.10. MOTOR NO. 1 ENGINE 5. Set ENGINE I START switch (5) to MOTOR. ENGINE 1 STARTER ON light (3) shall come on. NO. 1 ENGINE gas producer tachometer (6) shall indicate 10 to 15% N1 as starter motors engine. If ENGINE 1 STARTER light does not come on, go to task 4-4.9. If engine does not motor, go to task 15-5.6. GO TO NEXT PAGE 15-96 Change 23

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