TM
5-5420-226-20-1
Symptom-73
DETAILED TROUBLESHOOTING
PROCEDURE
r
SUPPORT SYSTEM - PERSONNEL HEATER
(Continued)
k
I
Check
for electrical
power
at white
wire connector
of
ignition
control
unit.
\
Second
Technician
(Operators
Station)
l Set HEATER
MASTER
switch
OFF.
First
Technician
(Personnel
Heater)
l Connect
red probe
of meter
to the white
wire connector
of ignition
control
unit
and
black
probe
to ground,
Second
Technician
(Operators
Station)
l Set HEATER
MASTER
switch
ON.
First
Technician
(Personnel
Heater)
l Check
if meter
indicates
8 to
10 volts
dc,
Does
meter
indicate
8 to 10 volts
dc?
\
m
(
o
TO VEHICLE
GROUND
CONTROL
UNIT
)
l Set HEATER
MASTER
switch
OFF.
l Set PERSONNEL
HEATER
H1/
LO switch
OFF.
.
Replace flame detector
switch
(TM 9-2540-205-24&9.
l Connect personnel heater
fuel line quick
disconnect.
4-690
Change
5