TM
55-1730-229-12
AG
32OA0-OMM-000
TO
35C2-3-473-1
TM
1730-12/1
Table 4-2.
Organizational Troubleshooting (continued)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
BATTERY VOLTAGE METER READS LOW (engine running).
4.
Step 1.
Check BATTERY CHG/DISCH meter.
a.
If CHG/DISCH meter reads in green band, shut down engine and
test battery (paragraph 4-25). Charge or replace battery as
required, and perform operational check.
If CHG/DISCH meter reads in yellow band, do step 2.
b.
Step 2.
Shut down engine and disconnect battery. Lower control panel
for continuity between the following points (see FO-1):
To
From
Replace wire no.
P32A6
Bat Chrg J3+
R3-
Bat Chrg J4-
Bat Chrg J3-
P21A6N
Bat Chrg J4-
DC GND
P21B2N
a. If no continuity , replace indicated wire, and perform
operational check.
b.
If all continuity checks good, check battery charger
(malfunction 81).
BATTERY VOLTAGE METER READS HIGH (engine running).
5.
NOTE
The BATTERY VOLTAGE meter may read slightly high when the
battery charger output switch on lower electrical tray is in the
30.5 VDC or 32.0 VDC position. Maximum meter readings for the
charger output switch settings are:
Charger Output
Maximum BATTERY
Control Setting
VOLTAGE Meter Reading
28.5 VDC
31 VDC
30.5 VDC
33 VDC
34.5 VDC
32.0 VDC
