TM 9-2350-287-20-12-19. 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 TMDrain 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).NOTEInstead of using multi meterfor voltage check, STE/lCEtroubleshooting,INDIVIDUALBATTERY VOLTAGE TEST-TEST89 maybe performed.l Instead of using multi meterfor continuity check, STE/lCEtroubleshooting, TEST 91 maybe performed.A. 1. Disconnect harness 12351544 wire 402Afrom heater fuel pump connector.2. Place multimeter red lead in harness12351544 wire 402A socket and ground blacklead.3. Make sure HEAT selector switch is onHIGH 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 harness12351544 (para 7-64).Continued on next page2-243
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