TM 9-2350-287-20-12-19. TROUBLESHOOTING CHART (continued)n.PERSONNEL HEATER (continued).(1) PERSONNEL HEATER FAILS TO OPERATE. Allother electrical systems operate.lnitial/Setup:Tools/Test Equipment:Equipment Conditions:Digital multimeter (Item 13, Appendix 1)Projectile racks moved to rear of vehicleGeneral mechanic’s tool kit (Item 24,(refer to TM 9-2350-287-10).Appendix 1)MASTER switch set to OFF (refer to TM 9-2350-287-10).Personnel Required: TwoNOTEl I n s t e a d o f u s i n g m u l t i m e t erf o r v o l t a g e c h e c k , S T E / l C Etroubleshooting,I N D I V I D U A LBATTERY VOLTAGE TEST-TEST89 maybe performed.I n s t e a d o f u s i ngm u l t i m e t erf o r c o n t i n u i t y c h e c k , S T E / l CEtroubleshooting, TEST 91 maybe performed.A.WARNINGHarness 12351544 (lead 400)at accessory control box hasbattery voltage. if batteriesare connected, use care whenremoving connector to avoidelectrical shocks and burns.1. Disconnect wiring harness 12351544 atpersonnel heater.2. Place red multimeter lead in socket Dand black lead to ground.3. Turn MASTER switch ON (refer toTM 9-2350-287-10).4. Check for 24 +3 vdc.5. Turn MASTER switch OFF (refer to TM9-2350-287-10).Is voltage present?Continued on next page2-238
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