TM
5-5420-226-20-1
Symptom-73
DETAILED TROUBLESHOOTING
PROCEDURE
.T
SUPPORT SYSTEM - PERSONNEL HEATER
(Continued)
I
Check for electrical
power at right N.O. contact
on the
flame
detector
switch.
Second
Technician
(Operators
Station)
l Set HEATER
MASTER
switch
OFF.
First
Technician
(Personnel
Heater)
l Connect
red probe of meter
to the right
N.O. contact
on
the
flame
detector
switch
and
black
probe
to ground.
Second
Technician
(Operators
Station)
.
Set HEATER
MASTER
switch
ON.
First
Technician
(Personnel
Heater)
l Check if meter indicates
18 to 30 volts
dc.
Does
meter
Indicate
18 to 30 volts
dc?
8
(
1
GROUND
%)
CONTACT
)
l Set HEATER
MASTER
switch
OFF.
l Set PERSONNEL
HEATER
HI/
LO switch
OFF.
l Replace flame detector switch
(TM
9-2540-205-24&P).
l Connect
personnel
heater
fuel
line quick
disconnect.
u
Change
5
4-689