TM 9-2350-287-20-12-19. TROUBLESHOOTING CHART (continued).o. PERSONNEL VENTILATION BLOWER (continued).(4) PERSONNEL VENTILATION BLOWER OPER-ATES, BUT DOES NOT COME ON AUTOMATI-CALLY IN EXHAUST MODE DURING AFESTEST.Initial Setup:Tools/Test Equipment:l Digital multimeter (DMM) (Item 13, Appendix 1)l General mechanic’s tool kit (Item 24,Appendix 1)Materials/Parts:l LockWashers (4) (Item 196, Appendix H)Equipment Conditions:l Crew AFES anti-recoil plugs installed(para 21-4 and 21-5).• Engine AFES anti-recoil plugs installed(para 21-4).l Engine AFES bottle safety pins installed(para 21-4).• Crew AFES bottle safety pins installed (para 21-5)l Engine AFES T/A panel maintenance switchturned to vertical position (refer toTM 9-2350-287-10).l Crew AFES T/A panel maintenance switchturned to vertical position (refer toTM 9-2350-287-10).l Left projectile rack assembly moved to rear ofvehicle (refer toTM 9-2350-287-10).l MASTER switch set to OFF (refer toTM 9-2350-287-10).Ventilation and Automatic FireExtinguishing System (AFES)electrical systems are inter-connected.NOTEl Instead of using multi meterfor voltagecheck, STE/lCEtroubleshooting,INDIVIDUALBATTERY VOLTAGE TEST-TEST89 maybe performed.l Instead of using multi meterfor continuity check, STE/lCEtroubleshooting, TEST 91 maybe performed.l Ensure all electrical connectors aresecurely fastened. A loose connectorcould cause incorrect fault indi-cat ions.A. 1. Disconnect PERSONNEL VENTILATORBLOWER wiring harness 12351461 fromAFES wiring harness 12352316 bracket-mounted connector.2. Connect red lead of multimeter to pin BX ofwiring harness 12352316 and black lead ofmultimeter to ground.Continued on next page2-262
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