TROUBLESHOOTING CHART (continued) - TM-9-2350-287-20-1

4) PERSONNEL VENTILATION BLOWER OPER- ATES, BUT DOES NOT COME ON AUTOMATI- CALLY IN EXHAUST MODE DURING AFES TEST

TROUBLESHOOTING CHART (continued) - TM-9-2350-287-20-1_316

TM-9-2350-287-20-1 Carrier Ammunition Tracked M992A21 (2350-01-352-3021) EIC:AE6 Manual
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2-19. 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 AFES TEST (continued). CONTINUED FROM A A. 3. Turn MASTER switch ON (refer to TM 9- 2350-287-10). 4. Perform AFES crew fire detection test (re- fer to TM 9-2350-287-10). 5. Watch multimeter after actuating MANUAL DISCHARGE switch. A pulse voltage for a minimum duration of 0.5 seconds should be read. 6. Turn MASTER switch OFF (refer to TM 9- 2350-287-10). Is voltage present? Proceed to AFES system troubleshooting, fault (para 2-19. v (1) and 2-19. v (2)). B. WARNING Make sure you do not touch leads of multimeter to any terminals other than those specified in the following procedures. 1. Remove AFES control relay cover by re- moving four screws, four washers, four Iockwashers and cover. Discard Iockwashers. 2. Remove wiring harness 12351461 from #3 (top) AFES control relay. 3. Place red lead of multimeter into socket B of wiring harness 12351461 at #3 (top) relay. Place black lead of multimeter into socket B of harness 12351461 at AFES wiring har- ness. 4. Check for continuity. Continued on next page 2-263 TM 9-2350-287-20-1

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