APU CONTROL BOX ENGINE OIL PRESSURE GAUGE READS ZERO WITH APU ENGINE RUNNING (cont)

APU CONTROL BOX ENGINE OIL PRESSURE GAUGE READS ZERO WITH APU ENGINE RUNNING (cont) - TM-9-2350-292-20-1_176

AUXILIARY POWER UNIT HOURMETER DOES NOT WORK

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 APU CONTROL BOX ENGINE OIL PRESSURE GAUGE READS ZERO WITH APU ENGINE RUNNING -- CONTINUED 0025 00 E Is continuity present? CONTINUED FROM STEP D no yes 1. Reconnect harness 3W704 P1 at APU engine disconnect. 2. Disconnect harness 4W700 P1 at APU control box. 3. Place one multimeter lead on harness 4W700 P2 bulkhead receptacle pin E and the other lead on harness 4W700 P1 socket M. Check for continuity. Repair (WP 0290 00) or replace (WP 0332 00) harness 4W700. Verify fault is corrected. Replace engine oil pressure transducer (WP 0632 00). Verify fault is corrected. END OF TASK 0025 00--3/4 blank

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