AUXILIARY POWER UNIT FAILS TO CRANK (cont)

AUXILIARY POWER UNIT FAILS TO CRANK (cont) - TM-9-2350-292-20-1_89

AUXILIARY POWER UNIT FAILS TO CRANK - TM-9-2350-292-20-1_91

TM-9-2350-292-20-1 Carrier Ammunition Tracked M992A1(NSN 2360-01-362-3021) EIC:AE6 Manual
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TM 9--2350--292--20--1 0009 00--12 AUXILIARY POWER UNIT FAILS TO CRANK -- CONTINUED 0009 00 Is 24 V dc present? 1. Reconnect harness 3W711 lead 66 to starter relay. 2. Disconnect lead 3W706 lead 66 from starter relay on generator side. 3. Turn MASTER switch ON and hold START switch and PREHEAT switch in the ON position (TM 9--2350--292--10). 4. Place multimeter red lead on starter relay connector pin and black lead to ground. Check for voltage. 5. Turn MASTER switch OFF (TM 9--2350--292--10). no yes AC Replace starter relay (WP 0640 00). Verify fault is corrected. Is continuity present? 1. Disconnect lead 3W706 lead 66 from terminal B of generator. 2. Place one multimeter lead in lead 3W706 lead 66 socket and other lead on lead 66 terminal B connector. Check for continuity. AD CONTINUED FROM STEP AB no yes Repair (WP 0290 00) or replace (WP 0646 00) lead 66 from starter relay to generator terminal B. Verify fault is corrected. CONTINUED ON NEXT PAGE

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