TM 11-5820-890-30-4
4-39. REPLACEMENT OF POWER CONTROL CHASSIS O-RING GASKET. Continued
ITEM
ACTION
REMARKS
REMOVAL Continued
e. Five screws (7 and 8)
See figure 4-11.
Using cross tip screwdriver, remove and
retain five screws (7 and 8) securing top
shelf (9) to mounting rail (10) on side
panel (6) of power control chassis (4).
f. Two screws (5)
Using cross tip screwdriver, remove and
retain two screws (5) securing side panel
(6) of power control chassis (4) to power
supply chassis (15).
See figure 4-11.
g. Bottom cover (13)
h. Connector P1 (12)
Remove and retain.
See figure 4-10.
Refer to paragraph 4-40 for
removal procedures.
Using flat tip screwdriver, remove and
retain four screws (14) securing connector
P1 to power supply chassis (6). Move
connector P1 aside.
See figure 4-13.
i.
Four screws (40)
Using cross tip screwdriver, remove and
retain four screws (40) securing rear of
power control chassis (4) to power supply
chassis (15).
See figure 4-11.
j.
Wire connections on
connector P1 (12)
Using soldering kit, tag and desolder the
following wires from connector P1 (12)
leading into power control chassis.
See figure 4-13.
P1 CONNECTOR PIN
COLOR
B
YELLOW
C
WHITE
E
BROWN
Remove from mounting adapter
power supply chassis (15).
k. Side panel (6) and
See figure 4-11.
See figure 4-12.
power control
l. O-ring gasket
INSTALLATION
m. O-ring gasket
chassis (4)
(4)
(4)
Inspect, remove, and replace as required.
Clean case channel of all debris.
Install in channel on power control
chassis case and secure with
cyanoacrylate adhesive.
Apply silicone compound
to o-ring gasket before
installation.
n. Side panel (6) and
power control chassis (4)
Position side panel (6) and power control
chassis (4) to power supply chassis (15).
Using cross tip screwdriver install four
retained screws (4) securing rear of power
control chassis (4) to the power supply
chassis (15).
These were removed in
step k. See figure 4-11.
o. Wire connections on
connector P1 (12)
Using soldering kit, solder tagged wires
to correct pins of connector P1 (12).
These were removed in
step j. See figure 4-13.
4-138
