TM 9--2350--292--20--1
0018 00--15
AUXILIARY POWER UNIT FAILS TO CRANK -- CONTINUED
0018 00
CONTINUED FROM STEP AG
Is 24 V dc present?
no
yes
AH
Replace generator
(WP 0635 00). Verify
fault is corrected.
1. Reconnect harness 3W706 lead 66A to
generator terminal B+ and to starter relay
terminal A1.
2. Turn MASTER switch ON
(TM 9--2350--292--10).
3. Turn PREHEAT switch to MOM ON
(TM 9--2350--292--10).
4. Turn START switch to MOM ON
(TM 9--2350--292--10).
5. Place multimeter red lead to generator
terminal B+ and black lead to ground.
6. Check for voltage.
7. Turn MASTER switch OFF.
no
yes
AI
Repair (WP 0290 00) or
replace (WP 0311 00)
harness 3W702. Verify
fault is corrected.
CONTINUED FROM STEP AB
1. Disconnect harness 3W702 J1 from harness
3W711 P1.
2. Disconnect harness 3W702 P1 from
bulkhead connector.
3. Place multimeter red lead to harness 3W702
J1 socket E and black lead to harness
3W702 P1 socket A.
4. Check for continuity.
Is continuity present?
CONTINUED ON NEXT PAGE