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TM 11-5820-890-30-5
14-40. REPLACEMENT OF POWER SUPPLY ADAPTER CHASSIS ASSEMBLY. Continued
ITEM
ACTION
REMARKS
INSTALLATION Continued
cf. O-ring
cg. hex nut and
Iockwasher
ch. Connector (4) wires
ci. Screw, flat washer,
and Iockwasher (2)
cj.
Two bevel washers (4)
ck. Two rim clenching
clamps (5)
cl. Two flat washers (2)
cm.
cn.
co.
cp.
cq.
Two spring pins (2)
Rear access cover (2)
12 captive
screws (11)
Heat sink assembly (2)
18 captive
screws (3)
Apply silicone compound to o-ring
on retained J1 connector (4).
Use socket wrench and 1 1/16 inch socket.
Install and hand tighten retained hex nut
and replacement Iockwasher securing the
J1 connector (4) on the chassis. Use torque
wrench and 1 1/16 inch socket. Torque
to 70 in-lb.
Use soldering kit, soldering aid, and heat
sink. Solder tagged wires to correct pins
on the J1 connector, and remove wire
tags.
Use cross tip screwdriver. Install and
hand tighten retained screw, flat washer,
and replacement Iockwasher securing the
protective rubber cap (3) for the J1
connector on the chassis.
Install two retained bevel washers on
two retained thumbscrews (3). See
figure 14-8.
Install two retained rim clenching clamps
on two retained thumbscrews (3).
Use long nose pliers. Install two retained
flat washers on the two thumbscrews.
Use long nose pliers. Install two replacement
spring pins in the end of two thumbscrews
securing them to the chassis.
Position retained rear access cover on
the chassis. See figure 14-7.
Use flat tip screwdriver. Install and hand
tighten the 12 captive screws securing
the rear access cover to the chassis.
Use torque screwdriver. Torque to 9 in-lb.
Position retained heat sink assembly on
the chassis. See figure 14-2.
Use flat tip screwdriver. Install and hand
tighten the 18 captive screws securing
the heat sink assembly on the chassis.
Use torque screwdriver. Torque to 9 in-lb.
Before and after soldering,
clean wires and connector
pins with alcohol and
cotton swabs.
Ensure that serrated side
of each bevel washer
is facing toward the
thumbscrew.
Ensure that flat side
of each rim clenching
clamp is facing toward
the bevel washer.
14-74
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