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 - TM-9-2350-292-20-1_175

APU CONTROL BOX ENGINE OIL PRESSURE GAUGE READS ZERO WITH APU ENGINE RUNNING (cont) - TM-9-2350-292-20-1_177

TM-9-2350-292-20-1 Carrier Ammunition Tracked M992A1(NSN 2360-01-362-3021) EIC:AE6 Manual
Page Navigation
132

TM 9--2350--292--20--1 0025 00--2 APU CONTROL BOX ENGINE OIL PRESSURE GAUGE READS ZERO WITH APU ENGINE RUNNING -- CONTINUED 0025 00 C Is continuity present? CONTINUED FROM STEP A no yes CONTINUED ON NEXT PAGE 1. Disconnect harness 3W704 P1 at APU engine disconnect. 2. Disconnect lead 420 from APU oil pressure sending unit. 3. Place one multimeter lead on harness 3W704 P1 socket A and the other multimeter lead on lead 420 lead connector socket. Check for continuity. D Is continuity present? no yes 1. Reconnect lead 420 at oil pressure sending unit. 2. Open air intake grilles over battery compartment (TM 9--2350--292--10). 3. Disconnect harness 3W702 P1 at bulkhead disconnect. 4. Place one multimeter lead on harness 3W702 P1 socket E and the other lead on harness 3W702 J2 pin A. Check for continuity. Repair (WP 0290 00) or replace (WP 0311 00) harness 3W702. Verify fault is corrected. Repair (WP 0290 00) or replace (WP 0643 00) harness 3W704. Verify fault is corrected.

Privacy Statement
Press Release
Contact