VENTILATING BLOWER FAILS TO OPERATE. ALL OTHER SYSTEMS OPERATE PROPERLY

VENTILATING BLOWER OVERVIEW AND DIAGRAMS

VENTILATING BLOWER FAILS TO OPERATE. ALL OTHER SYSTEMS OPERATE PROPERLY (cont)

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 0162 00--1 VENTILATING BLOWER FAILS TO OPERATE. ALL OTHER SYSTEMS OPERATE PROPERLY. 0162 00 THIS WORK PACKAGE COVERS: Ventilating Blower Fails To Operate. All Other Systems Operate Properly. INITIAL SETUP: Tools and Special Tools General mechanic’s tool kit (item 1, WP 0717 00) Multimeter (item 84, WP 0717 00) Equipment Conditions Vehicle MASTER switch OFF (TM 9--2350--292--10) Personnel Required Two WARNING Remove rings, bracelets, wristwatches, and neck chains before working on any vehicle. Jewelry can catch on equip- ment and cause injury, or may short across an electrical circuit and cause severe burns or electrical shock. Is 24 V dc present? 1. Disconnect harness 4W153 P4 from ventilating blower. 2. Turn MASTER switch and VENT BLOWER switch ON (TM 9--2350--292--10). 3. Place multimeter red lead in harness 4W153 P4 connector socket and black lead to ground. Check for voltage. 4. Turn MASTER switch and VENT BLOWER switch OFF (TM 9--2350--292--10). no yes no yes A B 1. Disconnect harness 4W153 P1 from accessory control panel. 2. Place one multimeter lead in harness 4W153 P1 socket B and other lead to harness 4W153 P4 connector pin. Check for continuity. 3. Turn MASTER switch OFF (TM 9--2350--292--10). Is continuity present? Replace ventilating blower (WP 0344 00). Verify fault is corrected. Repair (WP 0290 00) or replace (WP 0327 00) harness 4W153. Verify fault is corrected. CONTINUED ON NEXT PAGE

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