ENGINE FUEL FLOW INDICATING SYSTEM OPERATIONAL CHECK

ENGINE FUEL FLOW INDICATING SYSTEM VISUAL CHECK

ENGINE NO. 1 FUEL FLOW CIRCUIT BREAKER WILL NOT STAY CLOSED

TM-55-1520-240-T-2 CH-47D Heilcopter Manual
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TM 55-1520-240-T 8-16.3 ENGINE FUEL FLOW INDICATING SYSTEM OPERATIONAL CHECK 8-16.3 INITIAL SETUP References: Applicable Configurations: TM 55-1520-240-10 All TM 55-1520-240-23 Tools: Equipment Condition: None TM 55-1520-240-23: Materials: Battery Connected None Electrical Power On Personnel Required: Hydraulic Power Off Army Rotary Wing Aviator (2) Engine Fuel Flow Indicating System Visual Check Aircraft Electrician Completed (Task 8-16.2) TASK RESULT 1. Check that ENGINE NO. 1 FUEL FLOW circuit breaker If circuit breaker (1) is open, close it. If it opens again, go (1) is closed. to task 8-16.4. 2. Check that ENGINE NO. 2 FUEL FLOW circuit breaker If circuit breaker (2) is open, close it. If it opens again, go (2) is closed. to task 8-16.5. 3. Have pilot start engines and stabilize rotors at ground Indicator readings shall be approximately the same as idle and minimum beep. Observe fuel flow indicator (3) indicated by IDLE FUEL FLOW chart. If No. 1 pointer and compare readings with IDLE FUEL FLOW chart. does not indicate any fuel flow, go to task 8-16.6. If No. 1 (Ref TM 55-1520-240-10.) pointer does not indicate approximate fuel flow, go to task 8-16.7. If No. 2 pointer does not indicate any fuel flow, go to task 8-16.8. If No. 2 pointer does not indicate approximate fuel flow, go to task 8-16.9. FOLLOW-ON MAINTENANCE: TM 55-1520-240-23: Shut down engines. Battery disconnected. Electrical power off. Hydraulic power off. END OF TASK Change 19 8-347

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