APU CONTROL BOX LOW OIL PRESS INDICATOR DOES NOT LIGHT WHEN APU OIL PRESSURE IS LOW

APU CONTROL BOX LOW OIL PRESS INDICATOR DOES NOT LIGHT WHEN APU OIL PRESSURE IS LOW -- CONTINUED - TM-9-2350-292-20-1_115

APU CONTROL BOX LOW OIL PRESS INDICATOR DOES NOT LIGHT WHEN APU OIL PRESSURE IS LOW (cont) - TM-9-2350-292-20-1_117

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 0015 00--4 APU CONTROL BOX LOW OIL PRESS INDICATOR DOES NOT LIGHT WHEN APU OIL PRESSURE IS LOW -- CONTINUED 0015 00 D Is continuity present? CONTINUED FROM STEP C no yes CONTINUED ON NEXT PAGE 1. Open air intake grille over battery compartment (TM 9--2350--292--10). 2. Disconnect harness 3W702 connector P1 at bulkhead disconnect. 3. Place one multimeter lead on harness 3W702 connector P1 socket C. Place the other multimeter lead on harness 3W702 connector J2 APU engine disconnect receptacle pin B. Check for continuity. E Is continuity present? no yes 1. Reconnect harness 3W704 connector P1 at APU engine disconnect. 2. Disconnect harness 4W700 connector P1 at APU control box. 3. Place one multimeter lead on bulkhead harness 4W700 connector P2 receptacle pin C and the other multimeter lead on harness 4W700 connector P1 socket K. Check for continuity Repair (WP 0290 00) or replace (WP 0332 00) harness 4W700. Verify fault is corrected. Repair (WP 0290 00) or replace (WP 0311 00) harness 3W702. Verify fault is corrected.

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