TM
5-5420-226-20-1
Symptom-73
DETAILED
TROUBLESHOOTING
PROCEDURE
T
SUPPORT
SYSTEM
- PERSONNEL
HEATER
(Continued)
Does meter
indicate
18 to 30 volts dc?
I
n
!
Check
for
electrical
power
at
heater
to
basket
disconnect
harness
connector,
contact
C (CKT 402).
Second
Technician
(Operators
Station)
l Set PERSONNEL
HEATER
HI/LO
switch
OFF.
First
TechnicIan
(Commanders
Station)
l Install basket-control
panel
heater
harness
at basket
disconnect.
l Disconnect
heater
to
basket
disconnect
harness
at
personnel
heater.
l Connect
red
probe
of
meter
to
harness
connector
contact
C (CKT
402) and black
probe
to ground.
l Set PERSONNEL
HEATER
HI/LO
switch
ON-LO.
l Check if meter indicates
18 to 30 volts dc.
~
I
AOi
w
\
(
*IEI=+EEJ
,
CONTACT
PERSONNEL
HEATER
1
l Set PERSONNEL
HEATER
H1/
LO switch
OFF.
l Inspect
heater
to
basket
disconnect
harness
for bent/
broken
connector
contacts
or
loose CKT 402 wire at rear of
connectors.
l Repair connectors
if defective
(page
10-298).
l If
connectors
are
not
defective,
notify
support
maintenance
of bad heater
to
basket
disconnect
harness.
l Connect
heater
to
basket
disconnect
harness connector
to personnel
heater.
TA1O
87
4-698
