TM 1-1520-238-23
12-305
12.71.
WINDSHIELD ANTI-ICE TEMPERATURE CONTROL BOX SEMICONDUCTOR REPLACEMENT
(AVIM) - continued
12.71.6. Installation
WARNING
Soldering gun can cause severe burns
to personnel and start fires. Observe
all safety precautions when using
soldering gun. If injury occurs, seek
medical aid.
a. Solder identified wires (9) to new semicon-
ductor terminals (10). Use soldering gun and
solder (item 189, App F) (TM 55-1500-323-24).
b. Install semiconductor (1) on mounting brack-
et (2).
(1) Install insulator washer (7) on semiconductor
(1).
(2) Install semiconductor (1) on mounting brack-
et (2).
NOTE
Ensure that after installation, terminal lug
does not interfere with other components
in control box.
(3) Install tubing (8), insulator washer (7), washer
(5), terminal lug (6), washer (5), and lock-
washer (4) on semiconductor (1).
(4) Hold semiconductor (1). Install nut (3).
c. Inspect (QA).
d. Install windshield anti-ice temperature control
box CCAs (para 12.68).
END OF TASK
M04-3781-4
10
9
1
M04-3781-5
1
7
2
8
7
5
6
4
3
