TM 9-2350-287-20-12-19. TROUBLESHOOTING CHART (continued).u. AUXILIARY POWER UNIT (continued).(1) ENGINE CRANKS BUT FAILS TO START.Initial Setup:Tools/Test Equipment:Personnel Required:TwoDigital multimeter (DMM) (Item 13, Appendix I)Drain pan (Item 14, Appendix I)Equipment Conditions:General mechanic's took kit (Item 24,APU side door opened (refer toAppendix I)TM 9-2350-287-10).APU compartment access plateMaterial Parts:removed (para 15-39).Lockwasher (4) (Item 196, Appendix H)MASTER switch set to OFF (refer toTM 9-2350-287-10).NOTE· Instead of using multimeterforvoltage check, STE/ICEtroubleshooting, INDIVIDUALBATTERY VOLTAGE TEST-TEST 89may be performed.· Instead of using multimeter forcontinuitycheck, STE/ICEtroubleshooting, TEST 91 may beperformed.Continued on next page2-292
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