TM 9-2350-287-20-112-19. TROUBLESHOOTING CHART (continued).m. BILGE PUMP (continued).(1) BILGE PUMP DOES NOT OPERATE. All otherelectrical systems operate.Initial Setup:Tools/Test Equipment:Equipment Conditions:Digital multimeter (DMM) (Item 13, Appendix 1)Transmission access doors open (refer toGeneral mechanic’s tool kit (Item 24,TM 9-2350-287-10).Appendix 1)Engine intake grille open (refer toTM 9-2350-287-10).Materials/Parts:Wire (Item 77, Appendix D)Personnel Required: TwoNOTEl Instead of using multi meterfor voltage check, STE/lCEtroubleshooting,INDIVIDUALBATTERY VOLTAGE TEST-TEST89 maybe performed.Instead of using multi meterfor continuity check, STE/lCEtroubleshooting, TEST 91 maybe performed.A. 1. Disconnect wire 452 from bilge pump.2. Place red lead of multimeter in wire 452and black lead to ground.3. Have assistant turn MASTER switch ON(refer to TM 9-2350-287-10).4. Turn BILGE PUMP switch ON.5. Check for 24 +3 vdc.6. Turn BILGE PUMP and MASTER switchOFF (refer to TM 9-2350-287-10).Is voltage indicated?Replace bilge pump (para 16-3). Verifyproblem is solved.Continued on next page2-230
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