TM 55-2840-254-23
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ERRATIC OR OSCILLATING N1 SPEED WHILE ENGINE IS TOPPED OUT
(GOVERNING ON N1) (Continued)
ADJUST LINKAGE AS NEEDED.
CHECK N1 LEVER (REF. TM 55-1520-240-T
OR TM 55-4920-328-13).
DOES LEVER NEED ADJUSTMENT?
TIGHTEN OR REPLACE HOSE ASSEMBLY
CHECK HOSE ASSEMBLY (INTERSAGE AIR-
BLEED ACTUATOR TO FUEL CONTROL).
(REF. TASK 2-73) AS NEEDED.
IS HOSE ASSEMBLY LOOSE OR LEAKING?
CHECK HOSE ASSEMBLY (AIR DIFFUSER AS-
TIGHTEN OR REPLACE (REF. TASK 2-79)
SEMBLY TO FUEL CONTROL).
HOSE ASSEMBLY AS NEEDED.
IS HOSE ASSEMBLY LOOSE OR LEAKING?
,
ADJUST AND PERFORM AIR-BLEED BAND
CHECK COMPRESSOR AIR-BLEED BAND
CLOSURE (REF. TASK 2-8 AND 1-108).
OPERATION (REF. TASK 2-8 AND 1-108).
IS BLEED BAND PROPERLY ADJUSTED?
CLEAR RESTRICTION.
CHECK FUEL SUPPLY TO FUEL BOOST
PUMP (REF. TM 55-1520-240-T OR TM 55-4920-
328-13).
IS FUEL SUPPLY RESTRICTED?
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