TM 5-5420-226-20-1
Symptom-n
DETAILED
TROUBLESHOOTING
PROCEDURE
VEHICLE
OPERATION
- POWERPLANT,
RUNNING
. T
(Continued)
Check for fuel flow on inlet side of engine driven
fuel pump.
First Technician
(Front of Engine)
l Connect fuel-water separator inlet hose to engine
driven fuel pump and fuel-water separator.
l Disconnect fuel backflow valve outlet hose from
engine driven fuel pump.
*
s
Place suitable container
under hose.
Second Technician
(Operators
Station)
l Set FUEL PUMPS switch ON for a few seconds,
then OFF.
First Technician
(Front of Engine)
l Check if fuel flows freely into container.
Does fuel flow freely?
m
FUEL BACK
FLOW VALVE
ENGINE
DRIVEN
FUEL
PUMP
-
\
FUEL BACKFLOW
OUTLET
HOSE
T
Replace engine driven fuel
pump (page 7-37).
TA106962
4-273
.
.