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

APU CONTROL BOX LOW OIL PRESS INDICATOR DOES NOT LIGHT WHEN APU OIL PRESSURE IS LOW (cont) - TM-9-2350-292-20-1_171

APU CONTROL BOX LOW OIL PRESS INDICATOR DOES NOT LIGHT WHEN APU OIL PRESSURE IS LOW (cont) - TM-9-2350-292-20-1_173

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 0024 00--4 APU CONTROL BOX LOW OIL PRESS INDICATOR DOES NOT LIGHT WHEN APU OIL PRESSURE IS LOW -- CONTINUED 0024 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 P1 at bulkhead disconnect. 3. Place multimeter red lead on harness 3W702 P1 socket C and black lead on harness 3W702 J2 pin B. Check for continuity. E Is continuity present? no yes 1. Disconnect harness 4W700 P1 from APU control box. 2. Reconnect harness 3W704 P1 to APU engine disconnect. 3. Place multimeter red lead on bulkhead harness 4W700 P2 pin C and black lead on harness 4W700 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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