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

AUXILIARY POWER UNIT FAILS TO CRANK - TM-9-2350-292-20-1_127

AUXILIARY POWER UNIT FAILS TO CRANK - TM-9-2350-292-20-1_129

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 0018 00--2 AUXILIARY POWER UNIT FAILS TO CRANK -- CONTINUED 0018 00 Is 24 V dc present? no yes C CONTINUED FROM STEP B CONTINUED ON NEXT PAGE 1. Remove front engine deck grilles (TM 9--2350--292--10). 2. Disconnect harness 3W711 P1 from harness 3W702 J1. 3. Turn MASTER switch ON (TM 9--2350--292--10). 4. Turn PREHEAT switch to MOM ON (TM 9--2350--292--10). 5. Place multimeter red lead on harness 3W702 J1 socket A and black lead to ground. 6. Check for voltage. 7. Turn MASTER switch OFF. Repair (WP 0290 00) or replace (WP 0311 00) harness 3W702. Verify fault is corrected. D NOTE Remove sealant from electrical terminals to ensure good contact for multimeter leads. Apply adhesive to all exposed terminals after troubleshooting is complete. 1. Reconnect harness 3W711 P1 to harness 3W702 J1. 2. Disconnect harness 3W711 lead 66 from starter relay terminal A2. 3. Place multimeter red lead to lead 66 connector and black lead to ground. 4. Turn MASTER switch ON (TM 9--2350--292--10). 5. Turn PREHEAT switch to MOM ON (TM 9--2350--292--10). 6. Check for voltage. 7. Turn MASTER switch OFF. Repair (WP 0290 00) or replace (WP 0649 00) harness 3W711. Verify fault is corrected. no yes Is 24 V dc present?

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