TM
5-5420-226-20-1
—
(
-.
Symptom-2
DETAILED
TROUBLESHOOTING
PROCEDURE
VEHICLE
OPERATION
- POWERPLANT,
STARTING
FROM
STEP
(Continued)
o21
I
.
1
Check
for free fuel flow from main fuel supply
line
between
quick disconnect
and flexible
line.
\
First
Technician
(Rear
of Crew
Compartment)
l Remove female quick disconnect
half from flexible
line.
l Place a suitable container
under
open line to catch
any fuel.
Second
Technician
(Operator’s
Station)
l Set FUEL
PUMPS
switch
ON for approximately
10
seconds,
then set FUEL
PUMPS
switch
OFF.
l Set MASTER
BATTERY
switch
OFF.
/
Does fuel flow freely
from flexible
line?
f
I
FLEXIBLE
LINE
Replace
quick disconnect.
r
P
u
+’
TA106838
4-149
