TM 11-5820-890-30-4
14-21. REPLACEMENT OF CONNECTOR BOARD CIRCUIT CARD ASSEMBLY (12A1A2)
AND P1 CONNECTOR.
Tools:
Cross tip screwdriver
1-1/8-inch spanner wrench attachment
Long nose pliers
1-1/8-inch spanner wrench
Soldering kit
Torque wrench
Expendable Supplies:
Solder
Silicone compound
Alcohol
Cotton swabs
References:
Paragraph 14-19 for removal and installation of mounting plate assembly.
ITEM
ACTION
REMARKS
REMOVAL
a. Mounting plate
b. A2 connector board
CCA wires (2)
c. Three E-terminals
d. Battery tray chassis (17)
e. P1 connector (16)
f. A2 connector board CCA
(13) and P1 connector
(16)
INSTALLATION
g. A2 connector board CCA
(13) and P1 connector
(16)
h. P1 connector (16) and
o-ring
i.
A2 connector board CCA
(13) and P1 connector
(16)
h. P1 connector (16)
Remove and retain.
Refer to paragraph 14-19
for removal of mounting
plate.
Tag the location of each wire soldered
to three E-terminals on A2 connector
board CCA. See figure 14-6.
Use long nose pliers and soldering equip-
ment. Desolder and remove tagged wires
from three E-terminals.
Turn upside down on work surface. See
figure 14-5.
Use 1-1/8-inch spanner wrench. Remove
and retain spanner nut and IET Iockwasher
securing P1 connector and attached A2
connector board CCA (13) to chassis.
Remove and discard.
Obtain replacement A2 connector board
CCA and P1 connector.
Apply small amount of silicone compound
to o-ring prior to installing.
Install on chassis.
Use torque wrench and 1-1/8-inch
spanner wrench attachment. Install
retained spanner nut and IET lock-
washer. Torque nut to 90 in-lb.
These were removed in
step e.
14-23
