4-4.4 ENGINE START AND IGNITION SYSTEM OPERATIONAL CHECK

ENGINE START AND IGNITION SYSTEM VISUAL CHECK (Continued)

ENGINE START AND IGNITION SYSTEM OPERATIONAL CHECK (Continued) - TM-55-1520-240-T-1_278

TM-55-1520-240-T-1 CH-47D Heilcopter Manual
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TM 55-1520-240-T 4-4.4 ENGINE START AND IGNITION SYSTEM OPERATIONAL CHECK 4-4.4 INITIAL SETUP References: Applicable Configurations: TM 55-1520-240-23 Without 74 Equipment Condition: Tools: TM 55-1520-240-23: None Battery Connected Materials: Electrical Power On None Hydraulic Power On Engine Start and Ignition System Visual Check Personnel Required:Performed (Task 4-4.3) Medium Helicopter Repairer Army Rotary Wing Aviator (2) ' TASK RESULT 1. Check that ENGINE NO. 1 IGN and START & TEMP If IGN or START & TEMP circuit breaker (1 or 2) is open, circuit breakers (1 and 2) are closed. close it. If IGN circuit breaker opens again, go to task 4-4.5. If START & TEMP circuit breaker opens again, go to task 4-4.6. 2. Check that ENGINE NO. 2 IGN and START & TEMP If IGN or START & TEMP circuit breaker (3 or 4) is open, circuit breakers (3 and 4) are closed. close it. If IGN circuit breaker opens again, go to task 4-4.7. If START & TEMP circuit breaker opens again, go to task 4-4.8. 3. Press and release ENGINE 1 STARTER ON light (5). Light (5) shall momentarily come on. If it does not light, go to task 4-4.9. 4. Press and release ENGINE 2 STARTER ON light (6). Light (6) shall momentarily come on. If it does not light, go to task 4-4.10. CHECK NO. 1 ENGINE START AND IGNITION SYSTEM 5. Have pilot motor No. 1 engine. ENGINE 1 STARTER ON light (5) shall come on. NO. 1 ENGINE gas producer tachometer (7) shall indicate 10 to 15%. If ENGINE 1 STARTER ON light does not come on, go to task 4-4.9. If NO. 1 ENGINE gas producer tachometer does not indicate 10 to 15% N1, go to task 4-4.11. GO TO NEXT PAGE 4-56 Change 17

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