TM 11-5820-890-30-4
13-32. REPLACEMENT OF TB1 TERMINAL BOARD.
Tools:
Cross tip screwdriver
Torque screwdriver
Flat tip screwdriver
Soldering kit
Expendable Supplies:
Cotton swabs
Alcohol
Solder
References:
Paragraph 13-17 for removal and installation of the heat sink assembly (8A1).
ITEM
ACTION
REMARKS
REMOVAL
a.
b.
c.
d.
e.
f.
g.
Heat sink assembly (2)
Power supply adapter
chassis (1)
Terminal board (6)
wires
Six screws (7)
Four screws, flat
washers, and
Iockwashers (8)
Terminal board
wires
Terminal board
INSTALLATION
h.
i.
j.
k.
Terminal board
Terminal board
wires
(6)
(6)
(6)
(6)
Four screws, flat
washers, and
Iockwashers (8)
Terminal board (6)
wires and screws (7)
13-52
Remove and retain heat sink assembly
Refer to paragraph 13-17
from power supply adapter chassis (1).
for heat sink removal.
See figure 13-2.
Set upside down on work surface with
front toward you. See figure 13-6.
Tag location of all wires connected to TB1
terminal board (6).
Use flat tip screwdriver. Remove and
inspect six screws securing the wires
to the terminal board. If damaged,
obtain replacement.
Use cross tip screwdriver. Remove and
inspect four screws and flat washers se-
curing the terminal board to the chassis.
If damaged, obtain replacement. Discard
Iockwashers.
Use soldering kit. Tag and desolder the
wires under TB1 terminal board.
Remove and discard defective terminal board.
Obtain replacement terminal board and
four Iockwashers.
Use soldering kit. Solder tagged wires un-
der TB1 terminal board. Remove wire tags.
Use cross tip screwdriver. Install and
tighten four screws, flat washers, and
replacement Iockwashers securing the
terminal board to the chassis.
Use flat tip screwdriver. Install and tighten
six retained screws securing tagged wires
to terminals on the terminal board.
Remove wire tags.
Before and after soldering,
clean wires and terminals
with alcohol and cotton
swabs.
Position terminal board TB1
with terminals for wires
closest to connector P1.
