TM
5-5420-226-20-1
DETAILED
TROUBLESHOOTING
PROCEDURE
VEHICLE
OPERATION
- POWERPLANT,
STARTING
(Continued)
Symptom-7
. T
Check for free fuel flow at outlet side of engine
fuel pump.
First
Technician
(Rear
of Crew
Compartment)
l Tighten
hose
between
backflow
valve
and
engine
fuel
pump.
l Disconnect
hose
between
engine
fuel pump
and
fuel
water
separator
at fuel pump.
l Place a container
under
engine
fuel pump
to catch
any fuel.
Second
Technician
(Operators
Station)
l Operate
primer
pump.
Does fuel flow freely from outlet side of engine
fuel pump?
E
FUEL
PUMP
OUTLET
\\,,
L\
-.-_
Replace engine fuel pump
(page 7-37).
/
TA106893
4-204