TM 9--2350--292--20--1
0024 00--2
APU CONTROL BOX LOW OIL PRESS INDICATOR DOES NOT LIGHT WHEN
APU OIL PRESSURE IS LOW -- CONTINUED
0024 00
B
Did LOW OIL PRESS indicator light?
CONTINUED FROM STEP A
no
yes
CONTINUED ON NEXT PAGE
1. Replace LOW OIL PRESSure indicator lamp
(WP 0247 00).
2. Remove APU cover (WP 0413 00) and open
forward air intake grilles (TM 9--2350--292--10).
3. Disconnect harness 3W704 lead 420A from low
oil pressure switch.
4. Temporarily connect a jumper wire from
harness 3W704 lead 420A connector to vehicle
ground.
5. Turn MASTER switch ON
(TM 9--2350--292--10).
6. Turn FUEL SHUTOFF switch ON
(TM 9--2350--292--10).
7. Observe LOW OIL PRESS indicator light
(TM 9--2350--292--10).
8. Turn FUEL SHUTOFF and MASTER switches
OFF.
Replace LOW OIL PRESSure
switch (WP 0632 00). Verify
fault is corrected.