|
| |
14-31.
Tools:
REPLACEMENT
TM 11-5820-890-30-5
OF DIODE CIRCUIT CARD ASSEMBLY (8A2A2).
Flat tip screwdriver
Soldering kit
Torque screwdriver
Soldering aid
Flat tip bit
Heat sink
Cross tip screwdriver
Expendable Supplies:
Solder
Alcohol
Cotton swabs
References:
Paragraph 14-17 for removal and installation of the heat sink assembly (8A1).
ITEM
ACTION
REMARKS
REMOVAL
a.
Heat sink assembly (2)
b. Power supply adapter
chassis (1)
c.
Diode circuit (4) wires
d.
Four screws, flat
washers, and
Iockwashers (5)
e.
Diode circuit (4)
INSTALLATION
f.
g.
h.
i.
Diode circuit (4)
Four screws, flat
washers, and
Iockwashers (5)
Diode circuit (4) wires
assembly
Remove and retain heat sink assembly
from power supply adapter chassis (1).
See figure 13-2.
Set upside down on work surface with
front toward you. See figure 13-6.
Use soldering kit, soldering aid, and heat
sink. Tag location of all wires soldered
to A2 circuit near TB1 terminal board (6).
Unsolder each wire from the circuit.
Use cross tip screwdriver. Remove and
inspect four screws and flat washers
securing the circuit to the chassis.
If damaged, obtain replacement.
Discard Iockwashers.
Remove defective circuit and send it to
supply for disposition.
Obtain replacement circuit and four
Iockwashers.
Use cross tip screwdriver. Install and
tighten four screws, flat washers, and
replacement lockwashers securing the
circuit to the chassis.
Use soldering kit, soldering aid, and heat
sink. Solder tagged wires to terminals on
the circuit, and remove wire tags.
Install retained heat sink assembly on
power supply adapter chassis (1).
Refer to paragraph 14-17
for heat sink removal.
Before and after soldering,
clean wires and terminals
with alcohol and cotton
swabs.
Refer to paragraph 14-17
for heat sink installation.
14-51
Heat sink
|
