TM 9--2350--292--20--1
0140 00--10
PERSONNEL HEATER FAILS TO OPERATE PROPERLY -- CONTINUED
0140 00
Z
Is 24 V dc present at both checks?
CONTINUED FROM STEP Y
no
yes
1. Place HEATER CONTROL switch to START
position (TM 9--2350--292--10).
2. Place multimeter red lead in socket D and C
(one at a time) of harness 4W124 heater
connector while holding black lead to ground.
Check for voltage.
3. Place HEATER CONTROL switch to OFF
position (TM 9--2350--292--10).
Repair (WP 0290 00) or replace
(WP 0323 00) harness 4W124.
Verify fault is corrected.
AA
Is continuity present?
no
yes
Place one multimeter lead in harness 4W124 heat-
er connector socket A and other lead to ground.
Check for continuity.
Repair (WP 0290 00) or re-
place (WP 0323 00) ground
lead from socket A to
ground of harness 4W124.
Verify fault is corrected.
AB
Is continuity present?
no
yes
1. Disconnect harness 4W124 from heater control
box.
2. Place one multimeter lead in harness 4W124
heater control box connector socket B and
other lead in harness 4W124 personnel heater
connector socket B. Check for continuity.
Repair (WP 0290 00) or
replace (WP 0323 00)
harness 4W124. Verify
fault is corrected.
Replace personnel
heater (WP 0529 00).
Verify fault is corrected.
END OF TASK