(
-.
TM 5-5420-226-20-1
SvmtMom-8
DETAILED
TROUBLESHOOTING
PROCEDURE
.
.
rVEHICLEOPERATION- POWERPLANT,STARTING
(Continued)
.
Check if fuel is being supplied to spark plug of cold
manifold heater.
Secorrd Technician
(Operators
Station)
l Set MASTER
BATTERY
switch
ON.
l Hold ENGINE
FUEL
SHUT
OFF
switch
in OFF
position.
l At the same time, press STARTER
and PREHEAT
switches
and operate
primer
pump for approximately
10
seconds,
then
release.
l Set MASTER
BATTERY
switch
OFF.
First
TechnicIan
(Powerplant)
l Remove spark plug from cold manifold
heater
(page
7-297).
l Check electrodes
of spark
plug
for presence
of fuel.
Is spark plug wet with fuel?
I
m
Replace manifold heater spark
plug (page 7-297).
HIGH VOLTAGE
IGNITION
LEAD
/
SPARK
PLUG
____
MANIFOLD
HEATER
(RIGHT SIDE OF ENGINE)
(LEFT SIDE SIMILAR)
-i
*
M,-,.
.,,,
, :,.!:
_
l-
-,
\
ENGINE
FUEL SHUT OFF SWITCH
FUEL PUMPS SWITCH
MASTER
CONTROL
PANEL
OJ-c4
YES
NO
o
See Step
13
.
=
l Check if fuel is being supplied
TA1069O6
4-217