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TM 11-5820-890-30-5
4-76. REPLACEMENT OF P1
Tools:
Cross tip screwdriver
Soldering kit
Expendable Supplies:
Cotton swabs
References:
CONNECTOR.
Flat tip
Solder
Paragraph 4-74 for replacement of power
screwdriver
supply heatsink
Torque screwdriver
Alcohol
ITEM
ACTION
REMARKS
REMOVAL
a. Power supply
heatsink (1)
b. Four screws
c. P1 connector (4)
d. Wires
e. Retaining plate
INSTALLATION
f. Retaining plate
g. Wires
h.
P1 connector (12)
Separate to gain access to connectors.
Using flat tip screw driver, remove and
retain four screws securing P1 connector
(4) to power supply heatsink (1).
Remove from power supply chassis.
Using soldering kit, tag and desolder
wires from defective P1 connector.
Remove and retain retaining plate and
discard defective PI connector.
Position retained retaining plate to
replacement P1 connector.
Using soldering kit, solder tagged wires
to replacement P1 connector. Remove
wire tags.
Install P1 connector (12) into power supply
heatsink (1). Using torque screwdriver,
torque four retained screws (14) to
8 to 10 in-lb.
i. Power supply
heatsink (1)
Install power supply heatsink (3) on
power supply cover (3).
See figure 4-22.
Refer to paragraph 4-74 for
removal procedures.
These were removed in
step d. Before and after
soldering, clean solder
joints with alcohol and
cotton swabs.
See figure 4-22.
These were removed in
step b.
Refer to paragraph 4-74 for
installation procedures.
4-201
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