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TM 11-5820-890-30-5
4-74. REPLACEMENT OF POWER SUPPLY HEATSINK. Continued
ITEM
ACTION
REMARKS
INSTALLATION
t.
u.
v.
w.
x.
y.
z.
aa.
ab.
Power supply cover (3)
Connector P1 (4)
Terminal block TB1 (17)
Power supply
Solder lug terminal (12)
Connector J10 (6)
Connector J11 (9)
Remote control
transformer CCA (27)
2-Wire dual transient
protection CCA (8)
ac. Connector J9 (8)
Install retained gasket on power supply
cover (3).
Position retained retaining plate on con-
nector P1. Position connector P1 in heat-
sink assembly. Using torque screwdriver,
install four retained screws (5) securing
connector P1 to heatsink assembly, torque
screws to 8 to 10 in-lb.
Using cross tip screwdriver, install four
retained screws (18) and flat washers
securing terminal block TB1 to heatsink
assembly.
Install,
Using cross tip screwdriver, install retain-
ed screw (13) and flat washer securing
solder lug (12) terminal with ground wires
to heatsink assembly (1).
Using torque wrench and 1-1/16-inch
socket, install retained hex nut (8) and
protective cap retainer securing connector
J10 to heatsink assembly (1), torque hex
nut to 70 in-lb.
Using torque wrench and 1-1/16-inch
socket, install retained hex nut (11) and
protective cap retainer securing connec-
tor J11 (9) to heatsink assembly (1).
Using cross tip screwdriver, install three
retained screws, Iockwashers, and flat
washers securing remote control trans-
former to power supply cover.
Using soldering kit, solder wires to ter-
minals E1, E2, E5, E6, E13, and E14.
Install.
See figure 4-22.
These were removed in
step r. Apply silicone com-
pound
tor P1
These
to o-ring on connec-
before installation.
were removed in
step q. Apply one drop of
grade H sealing compound
to threads of four retained
screws before installation.
Refer to paragraph 4-51
for installation procedures.
These were removed in
step o.
These were removed in
steps n. Apply silicone
compound to o-ring
on J10 connector before
installation.
These were removed in
steps m. Apply silicone
compound to o-ring
on J11 connector before
installation.
See figure 4-22.
These were removed in
step 1.
See figure 4-16.
These were removed in
step k.
See figure 4-15. Refer
to paragraph 4-54 for
installation procedures.
4-197
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