.
. .
TM 5-5420-226-20-1
Symptom-2
DETAILED
TROUBLESHOOTING
PROCEDURE
VEHICLE
OPERATION
- POWERPLANT,
STARTING
T
(Continued)
BLEED
VALVE
Check for free fuel flow from primary
fuel filter
bleed valve.
1
First
Technician
(Rear
of Crew
Compartment)
l Connect
main
fuel line quick
disconnect.
l Loosen bleed valve on primary
fuel filter.
Second
Technician
(Operators
Station)
l Set MASTER
BATTERY
switch
ON.
l Set FUEL
PUMPS
switch
ON
for approximately
10
seconds
then
set FUEL
PUMPS
switch
OFF.
l Set MASTER
BATTERY
switch
OFF.
First
Technician
(Rear
of Crew
Compartment)
l Check for free fuel flow from primary
fuel filter
bleed
valve.
Did fuel flow freely
from primary
fuel filter bleed
valve?
B
1
PRIMARY
FUEL FILTER
/
\
- UPPER
ENGINE
ACCESS
PANEL
.
l Check for free fuel flow to
primary
fuel filter.
o
l See Step
77
.
TA10682O
.-
4-131
,