2-19. TROUBLESHOOTING CHART (continued).x. NBC SYSTEM (continued).(1) NO FAN OPERATION FROM M2A2 AIR PURIFIERUNIT (continued).CONTINUED FROM ERepair wire 10 or replace wire harness12376405 (para 7-57). Verify problem is solved.F.1. Reconnect wire harness 12376405 todriver's bulkhead.2. Disconnect wire harness 12353403 frommaster relay.3. Place red lead of multimeter on masterrelay pin and ground black lead.4. Turn MASTER switch ON (refer to TM 9-2350-287-10).5. Check for 24 ± 3 vdc.6. Turn MASTER switch OFF (refer to TM 9-2350-287-10).Is voltage indicated?Repair wire 82 or replace wire harness12353403 (para 7-49). Verify problem issolved.G. 1. Reconnect wire harness 12353403 tomaster relay.WARNINGWire 81 is a live wire with 24 vdc. Takeappropriate precautions (refer to TM 9-2350-287-10).2. Disconnect wire harness 12353401 frommaster relay.Continued on next page2-371TM 9-2350-287-20-1
Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business
