TM 5-5420-226-20-1
DETAILED
TROUBLESHOOTING
PROCEDURE
VEHICLE
OPERATION
- POWERPLANT,
STARTING
Symptom-7
. T
)
Check for free fuel flow from primer pump pressure
line at quick disconnect
in engine compartment.
Second
Technician
(Operator’s
Station)
l Connect
primer
pump
pressure
line at bulkhead
fitting,
First
Technician
(Rear
of Crew
Compartment)
l Remove
upper
engine
access
cover
(page
17-14).
l Separate
primer
pump
pressure
line at quick
disconnect.
l Push on female end of quick disconnect
with
a
punch
or phillips
screwdriver.
Second
Technician
(Operator’s
Station)
l Operate
primer
pump.
Does fuel flow freely from primer pump pressure
line at quick disconnect?
I
i
PRIMER
PUMP
PRESSURE
LINE
/.
.
-—
.._
_.
$
ICK
NNECT
7
L-
FOR CLARITY
BOTH
ACCESS
COVERS
REMOVED
(LClear clogged line between quick
disconnect
and left hull bulkhead
by blowing with compressed
air.
If this does not work, notify
support
maintenance.
TA106889
4-200
