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TM 9-4110-257-14
b.
Engine Cranks But Will Not Start Or Stops During Operation.
CHECK FUEL LEVEL AND FILL IF NEEDED. DOES
ENGINE START/RUN?
YES
NO
IF FUEL FILTERS ARE SUSPECTED TO BE CLOGGED,
REPLACE THEM (PARA 4-55 and 4-62). DOES
ENGINESTART/RUN?
YES
NO
CHECK AIR CLEANER AND MUFFLER FOR
OBSTRUCTIONS AND REPLACE IF NECESSARY (PARA
4-49 and 4-50). DOES ENGINE START/RUN?
YES
NO
PUT UNIT BACK INTO SERVICE.
NOTIFY DIRECT SUPPORT MAINTENANCE TO
CHECK AND REPLACE INJECTOR NOZZLES
AND/OR INJECTION PUMPS IF NEEDED.
c.
Engine Knocks When Operating.
CHECK ENGINE OIL LEVEL AND FILL IF NEEDED.
DOES ENGINE STILL KNOCK?
NO
YES
PUT UNIT BACK INTO SERVICE.
CHECK FUEL FOR CONTAMINANTS. DRAIN
ANDFILL
FUEL TANK IF NECESSARY (PARA 4-
65).
4-35
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