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
