TM 9-4931-381-14&P-2
FRAME 42
Remove Semiconductor Device:
NOTE
Refer to paragraph 2-4 on tagging and soldering wires
before doing any work.
1. Tag and unsolder two wires (1) from semiconductor device terminals (2).
2. Unscrew and take out machine screw (3), lockwasher (4), flat washers (5), and
hexagon plain nut (6) with screwdriver and 3/16-inch wrench. Get rid of Iockwasher
(4).
3. Remove semiconductor device (7). Get rid of semiconductor device (7).
InstalI Semiconductor Device:
4.
5.
6.
GO
Posit ion new
up.
Screw in and
screwdriver.
semiconductor device (7) on panel
tighten screw (3), new Iockwasher
assembly (8) with cathode terminal
(4), and washers (5) with
CAUTION
InstalIing semiconductor device (7) backwards can damage
semiconductor device (7). Be sure to connect it as stated in
step 6.
Solder wire (1) from CB2 to cathode terminal of semiconductor device (7) and wire
(1) from E1 to anode terminal of semiconductor device (7).
TO FRAME 43
Volume IV
2-94
Para. 2-6, Task 20