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
