b1. ENGINE CRANKS BUT DOES NOT START OR ENGINE STALLS AFTER STARTING (CONT)
TM 9-2320-365-20-1
2-106.8 Change 1
TEST OPTIONS
REASON FOR QUESTION
Visual inspection
KNOWN INFO
WARNING
Read WARNING
on following page.
12.
KNOWN INFO
13.
Visual inspection
REASON FOR QUESTION
TEST OPTIONS
WARNING
Read WARNING
on following page.
If compressed air does not
flow freely through fuel pick-up
tube, fuel tank is faulty. If
compressed air flows freely
through fuel pick-up tube,
fuel/water separator is faulty.
Replace fuel/water
separator (para 4-13).
YES
Replace fuel tank
(para 4-8).
NO
POSSIBLE PROBLEMS
Malfunction in fuel system.
Engine cranking speed OK.
Fuel return hose OK.
Fuel transfer pump OK.
Fuel transfer hose OK.
Fuel filter OK.
Fuel tube OK.
Fuel pressure regulating
valve OK.
Orifice tube assembly OK.
Cylinder head OK.
Fuel supply hose OK.
Faulty fuel tank.
Faulty fuel/water separator.
Is fuel pick-up tube free
from blockage or damage?
POSSIBLE PROBLEMS
Faulty fuel supply hose.
Faulty fuel tank.
Faulty fuel/water separator.
Is fuel supply hose free from
kinks, blockage, or damage?
If compressed air does not flow
freely through fuel supply
hose, fuel supply hose is
faulty.
YES
Replace fuel supply hose
(para 4-9).
NO
Malfunction in fuel system.
Engine cranking speed OK.
Fuel return hose OK.
Fuel transfer pump OK.
Fuel transfer hose OK.
Fuel filter OK.
Fuel tube OK.
Fuel pressure regulating
valve OK.
Orifice tube assembly OK.
Cylinder head OK.
