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WITH POWER LEVER (N1) IN GROUND IDLE POSITION, ENGINE DOES NOT
REACH GROUND IDLE SPEED - VISUAL CHECK
INITIAL SETUP
Personnel Required:
68B20 Aircraft Powerplant Repairer
Applicable Configurations:
All
References:
TM 55-1520-240-T
TM 55-4920-328-13
Tools:
Powerplant Mechanic's Tool Kit,
NSN 5180-00-323-4944
Materials:
None
RESULT
TASK
In the following two steps, if differential
pressure indicator button becomes ex-
tended more than once within each
period of engine operation, inspect con-
taminated fuel system (Ref. Task 1-85).
If differential pressure indicator button is ex-
1. Check in-line fuel filter differential pressure in-
tended service in-line filter (Ref. Task 1-103)
dicator button.
and reset button.
If differential pressure indicator button is ex-
2. Check main fuel filter differential pressure in-
tended service main fuel filter (Ref. Task 1-102)
dicator button.
and reset button.
If lever is not in middle of ground idle band ad-
3. Check fuel control power lever for position.
just linkage as needed (Ref. TM 55-1520-240-T
or TM 55-4920-328-13).
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