TM
55-1730-229-12
AC
320A0-OMM-000
TO
35C2-3-473-1
TM
1730-12/1
Table 4-2.
Organizational Troubleshooting (continued)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
44.
(continued)
Check continuity
If no continuity,
From
To
replace wire no.
J5-23R
1M11(-)
P53G20N
1M11(+)
P3D20
J5(-)
P3C20
P5(-)
R1(+)
a.
If no continuity, replace indicated wire.
b.
If all continuity checks good, replace DC VOLTS meter 1M11
c. Perform operational check.
DC AMPS METER READS 0 (DC POWER ON INDICATOR LIT AND DC POWER CABLE CONNECTED
45.
TO LOAD).
Step 1.
Check load.
a. If load is drawing current, go to step 2.
b. If load is not drawing current, shut down engine and
disconnect battery. Check load and AGPU dc output cable.
c. Check for continuity between the two large screws on shunt RI
(23, figure 4-18). If no continuity, replace shunt.
Step 2.
Shut down engine and disconnect battery. Lower control panel (para-
graph 4-24.a) and remove battery charger access cover. Disconnect
main harness connector P5 from control panel connector J5. Check for
continuity between the following points (see FO-5):
Check continuity
If no continuity,
From
replace wire no.
To
J5-C
1M12(-)
P17C20
P18C20
1M12(+)
J5(+)
P5-C
R1(-)
P17B20
P18B20
P5(+)
R1(+)
a.
If no continuity, replace indicated wire or notify
maintenance supervisor.
