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Page Title:
ENGINE CRANKS BUT DOES NOT START OR ENGINE STALLS AFTER STARTING (CONT) |
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 TM 9-2320-366-20-1
b1. ENGINE CRANKS BUT DOES NOT START OR ENGINE STALLS AFTER STARTING (CONT)
WARNING
Read WARNING
KNOWN INFO
TEST OPTIONS
on following page.
12.
Malfunction in fuel system.
Visual inspection
Engine cranking speed OK.
REASON FOR QUESTION
Is fuel supply hose free
Fuel return hose OK.
If compressed air does not flow
from kinks, blockage,
Fuel transfer pump OK.
freely through fuel supply hose,
or damage?
Fuel transfer hose OK.
fuel supply hose is faulty.
Fuel filter OK.
Fuel tube OK.
Fuel pressure regulating
valve OK.
NO
Orifice tube assembly OK.
Cylinder head OK.
POSSIBLE PROBLEMS
Faulty fuel supply hose.
Replace fuel supply
Faulty fuel tank.
YES
hose (para 4-9).
Faulty fuel/water separator.
WARNING
Read WARNING
KNOWN INFO
TEST OPTIONS
on following page.
13.
Visual inspection
Malfunction in fuel system.
Engine cranking speed OK.
REASON FOR QUESTION
Fuel return hose OK.
Is fuel pick-up tube free
If compressed air does not
Fuel transfer pump OK.
from blockage or damage?
flow freely through fuel pick-up
Fuel transfer hose OK.
tube, fuel tank is faulty. If
Fuel filter OK.
compressed air flows freely
Fuel tube OK.
through fuel pick-up tube,
Fuel pressure regulating
fuel/water separator is faulty.
valve OK.
Orifice tube assembly OK.
NO
Cylinder head OK.
Fuel supply hose OK.
POSSIBLE PROBLEMS
Faulty fuel tank.
Faulty fuel/water separator.
Replace fuel tank
YES
(para 4-8).
Replace fuel/water
separator (para 4-13).
Change 1
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