TM 9-2350-287-20-1
2-19. TROUBLESHOOTING CHART (continued).
n.
PERSONNEL HEATER (continued).
(2) HEATER MOTOR RUNS BUT FAILS TO OPER-
ATE. Sufficient fuel in fuel tank.
Initial Setup:
Tools/Test Equipment:
Equipment Conditions:
l Digital multimeter (Item 13, Appendix I)
MASTER switch set to OFF (refer to TM
Drain pan (Item 14, Appendix I)
9-2350-287-1 0).
General mechanic’s tool kit (Item 24,
l AFES deactivated (para 21-2 and 21-3).
Appendix 1)
Fire extinguishers bottles removed
(para 21-4 and 21-5).
NOTE
Instead of using multi meter
for voltage check, STE/lCE
troubleshooting,
INDIVIDUAL
BATTERY VOLTAGE TEST-TEST
89 maybe performed.
l Instead of using multi meter
for continuity check, STE/lCE
troubleshooting, TEST 91 may
be performed.
A. 1. Disconnect harness 12351544 wire 402A
from heater fuel pump connector.
2. Place multimeter red lead in harness
12351544 wire 402A socket and ground black
lead.
3. Make sure HEAT selector switch is on
HIGH or LOW (refer to TM 9-2350-287-10).
4. Turn MASTER switch ON (refer to TM 9-
2350-287-10).
5. Check for 24 + 3 vdc.
Is voltage indicated?
Repair wire 402 or replace harness
12351544 (para 7-64).
Continued on next page
2-243
