TM 9--2350--292--20--1
0009 00--12
AUXILIARY POWER UNIT FAILS TO CRANK -- CONTINUED
0009 00
Is 24 V dc present?
1. Reconnect harness 3W711 lead 66 to starter
relay.
2. Disconnect lead 3W706 lead 66 from starter
relay on generator side.
3. Turn MASTER switch ON and hold START
switch and PREHEAT switch in the ON position
(TM 9--2350--292--10).
4. Place multimeter red lead on starter relay
connector pin and black lead to ground. Check
for voltage.
5. Turn MASTER switch OFF
(TM 9--2350--292--10).
no
yes
AC
Replace starter relay (WP
0640 00). Verify fault is
corrected.
Is continuity present?
1. Disconnect lead 3W706 lead 66 from
terminal B of generator.
2. Place one multimeter lead in lead 3W706
lead 66 socket and other lead on lead 66
terminal B connector. Check for continuity.
AD
CONTINUED FROM STEP AB
no
yes
Repair (WP 0290 00) or
replace (WP 0646 00)
lead 66 from starter relay
to generator terminal B.
Verify fault is corrected.
CONTINUED ON NEXT PAGE
