TM 9-2350-287-20-12-19. TROUBLESHOOTING CHART (continued).0. PERSONNEL VENTILATION BLOWER (continued).(3) PERSONNEL VENTILATION BLOWER DOES NOTOPERATE IN EXHAUST MODE.Initial Setup:Tools/Test Equipment:l Digital multimeter (DMM) (Item 13, Appendix 1)l General mechanic’s tool kit (Item 24,Appendix 1)l STE/lCE test kit (Item 65, Appendix 1)Materials/Parts:l LockWasher (6) (Item 196, Appendix H)Equipment Conditions:l Crew AFES anti-recoil plugs installed(para 21-4 and 21-5).• AFES bottle safety pins installed(para 21-4 and 21-5).l Engine AFES T/A panel maintenance switch tovertical position (refer to TM 9-2350-287-10).l Crew AFES T/A panel maintenance switch tovertical Position (refer to TM 9-2350-287-10).. AFES relay cover removed (para 21-11).. MASTER switch set to OFF (refer toTM 9-2350-287-10).NOTEl Instead of using multi meterfor voltagecheck, STE/lCEtroubleshooting,INDIVIDUALBATTERY VOLTAGE TEST-TEST89 may be performed.• Instead of using multi meterfor continuity check, STE/lCEtroubleshooting, TEST 91 maybe performed.A. 1. Disconnect wiring harness 12351461 fromventilator blower motor.2. Place red lead of multimeter in socket A ofplug and black lead of multimeter to ground.3. Turn MASTER switch On (refer to TM 9-2350-287-10).4. Press PERSONNEL VENTILATORBLOWER switch to the EXHAUST position.5. Check for 24 ± 3 vdc.6. Turn MASTER switch OFF (refer to TM 9-2350-287-10).Continued on next page2-258
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