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
81.
(continued)
c. Check cable P22A2 (between circuit breaker and battery
charger) for shorted condition. Replace cable if shorted.
If cable is good, replace battery charger (paragraph 4-28).
d.
Check for continuity between the following points (see FO-1
and FO-5) :
Check continuity
If no continuity,
From
To
replace
K2-A1
2CB1
cable P2B2
2CB1 LINE
2CBl load
2CBl
2CB1
Bat Chrg J4+
cable P22A2
DC GND
Bat Chrg J4-
cable P21B2N
If no continuity, replace indicated cable or component. If
all continuitY checks good, replace battery charger (para-
graph 4-28).
Step 6.
This step is applicable if the 20 amp output voltage (step 1.j). was
0, and the 50 amp output voltages were present.
a. Disconnect battery.
b.
Check circuit breaker 2CB2 on upper electrical tray. If
breaker is open, do step c. If breaker is closed, go to
step d.
c. Check wires P24A12, P23A12, and P23B8 (connected to circuit
breaker) for shorted condition. Replace any shorted cable.
If cables are good, replace batterY charger (paragraph 4-28).
d.
Check for continuity between the following points (see FO-1
and FO-5) :
Check continuity
If no continuity,
From
To
rep lace
2CB2
wire P2C8
K2-A1
2CB2 LINE
2CB2 load
2CB2
P1-H
2CB2
wire P24A12
2CB2
P1-I
wire P3A12
4-110
