TM
55-1730-229-12
AG
320A0-OMM-000
TO
35C2-3-473-1
TM
1730-12/1
Table 4-2.
Organizational Troubleshooting (continued)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
(continued)
15.
b.
Connect multimeter between positive terminal on starter (9,
side of starter. Set meter to read 24 vdc.
c. Connect battery and set MASTER SWITCH to ON.
d.
Set ENGINE control switch to START and check multimeter
reading, STARTER ON indicator, and STARTER CURRENT meter.
Set ENGINE CONTROL to STOP, MASTER SWITCH to OFF, and
disconnect battery.
e.
If STARTER CURRENT meter exceeded 800 amps after initial
surge, see malfunction 17.
f.
If starter voltage was ok (greater than 16 vdc) and starter
did not operate, replace starter and perform operational
check.
If starter voltage was low (less than 16 vdc) but STARTER ON
g.
indicator was lit, check cables P33A1/0 (FO-1), P41C1/0
connections. Clean or tighten connections as required and
perform operational check.
If STARTER ON indicator did not light, do step 4.
h.
Step 4.
Disconnect battery and lower control panel (paragraph 4-24.a). Check
for continuity between shunt R3- (large right screw) and terminal 5
of MASTER SWITCH 1S2 (see FO-1).
a.
If continuity, go to step 6.
b.
If no continuity, continue with next step.
Step 5.
Remove battery charger access cover. Disconnect main harness
connector P5 from control panel connector J5, and disconnect harness
connector P9 from lower tray connector J9. Check wires P35F18 and
P35E18 between lower tray and MASTER switch (see FO-1) for conti-
nuity .
a.
If either wire is open, replace wire, and perform
operational check.
4-46
