TM 5-5420-226-20-1
Symptom-1
1
DETAILED
TROUBLESHOOTING
PROCEDURE
VEHICLE
OPERATION
- POWERPLANT,
RUNNING
(Continued)
o
STEP
11
CONTINUED
I
.
Backflow
valve.
I.Backflowvalve outlethose,
l Fuel water separator
inlet
hose.
.
Fuel water
separator.
Il Fuel water separatoroutlethose.
I
Are lines or hoses leaking
cir damaged?
( )
l Tighten
leaking
connections.
l If connections
are still
leaking
or any parts are
damaged,
replace
the
following
as necessary:
.
Main fuel feed line
(page 7-316).
.
Main fuel feed hose
(page 7-245).
.
Quick disconnect.
.
Primary
fuel filter
inlet
hose (page 7-180).
.
Primary
fuel filter
housing
(page 7-199).
.
Primary
fuel filter
outlet
hose (page 7-199).
.
Backflow
valve
assembly
(page 7-25).
.
Backflow
valve outlet
hose (page 7-40).
.
Fuel water separator
inlet hose (page 7-20).
.
Fuel water separator
outlet
hose (page 7-34).
TA106953
4-264