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)
59.
Step 3.
Remove battery charger access cover, and lower control panel (para-
a. If no continuity, replace wire X21A20.
b. If continuity, replace GCU (paragraph 4-54).
c. Perform operational check.
Step 4.
Test ac contactor K1 (malfunction 95).
a. Replace contactor if defective (paragraph 4-53).
b. If contactor is good, replace GCU (paragraph 4-54).
c. Perform operational check.
PNEUMATIC POWER ON INDICATOR NOT LIT (MASTER SWITCH AND PNEUMATIC POWER SWITCH
60.
ON).
Test PNEUMATIC POWER switch 1S8 (malfunction 79).
Replace switch if defective (paragraph 4-104.c).
a.
b.
Remove battery charger access cover. Disconnect main harness
connector P6 from control panel connector J6. Check for
continuity between the following points (see FO-7). If no
continuity, replace indicated wire and perform operational
check.
Check continuity
If no continuity,
replace wire no.
To
From
J6-D
H4B20N
1DS13(-)
H4A20N
P6-D
GND TB
1S8-3
1DS13(+)
H7A20
