TM 5-5420-226-20-1
Symptom-7
DETAILED
TROUBLESHOOTING
PROCEDURE
VEHICLE
OPERATION
- POWERPLANT,
STARTING
FROM
STEP
(Continued)
0°0
i
A-
.
1
WARNING
\
Wear goggles to protect eyes from
spraying fuel. Fuel pressure in primer
pump pressure
line may reach 200
psi.
\
.
1
I
Check for free fuel flow from primer pump
pressure line at left hull bulkhead.
Second
Technician
(Operators
Station)
l Set MASTER
BATTERY
switch
OFF.
l Disconnect
primer
pump
pressure
line at bulkhead
fitting.
l Place a container
under
line to catch
any fuel.
l Operate
primer
pump.
&
Does fuel flow freely from primer pump pressure
line at bulkhead?
m
.
/
I
\vPRIMERPUMP
IIPRESSURELINE
LEFT HULL
BULKHEAD
(VIEWED
FROM
OPERATORS
STATION)
(
pump and fitting at left hull-
bulkhead by blowing with
compressed
air. If this does not
work, replace line (page 7-327).
I
TA106888
4-199