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

(3) PERSONNEL VENTILATION BLOWER DOES NOT OPERATE IN EXHAUST MODE

TROUBLESHOOTING CHART (continued) - TM-9-2350-287-20-1_312

TM-9-2350-287-20-1 Carrier Ammunition Tracked M992A21 (2350-01-352-3021) EIC:AE6 Manual
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TM 9-2350-287-20-1 I 2-19. TROUBLESHOOTING CHART (continued). o. PERSONNEL VENTILATION BLOWER (continued). (3) PERSONNEL VENTILATION BLOWER DOES NOT OPERATE IN EXHAUST MODE (continued). CONTINUED FROM A Is voltage indicated? I I I GO TO STEP F I B. WARNING When AFES relay cover is removed, use caution while working around exposed electrical terminals to avoid electrical shock. Do not short out terminals with tools or bare hands. 1. Remove AFES control relay cover by re- moving 4 screws, 4 washers, 4 Iockwashers and cover. 2. On AFES relay #1 (middle) place red probe of multimeter on pin 13 and black lead of multimeter to pin 2 (ground). 3. Ensure PERSONNEL VENTILATOR BLOWER switch is in the EXHAUST posi- tion. 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? I I Repair wire 159C-2 or replace harness 12351461 (para 7-79). Verify problem is solved. C o n t i n u e d o n n e x t p a g e 2-259

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