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TM 11-5820-890-30-5
4-38. REPLACEMENT OF TERMINAL BLOCK TB2. Continued
ITEM
ACTION
REMARKS
INSTALLATION
e. Terminal block TB2 (32)
Using cross tip screwdriver, install four
retained screws (35), Iockwashers (23),
and flat washers (24) securing replace-
ment terminal block TB2 (32) to power
control chassis (17).
f. Wires
Using flat tip screwdriver, install four re-
tained screws securing shorting bar (39)
and terminal lugs (37) with tagged wires
to terminal block TB2 (32). Remove wire
tags.
g.
Rear access
Hold in place and tighten six captive
cover (12)
screws (13) securing rear access cover
(12) to power control chassis (10).
Using torque screwdriver, torque screws
to 8 to 10 in-lb.
These were removed in
step d.
These were removed in
step c.
This was removed in
step b.
See figure 4-5.
4-39. REPLACEMENT OF POWER CONTROL CHASSIS O-RING GASKET.
Tools:
Cross tip screwdriver
Flat tip screwdriver
Torque screwdriver
Soldering kit
Expendable Supplies:
Sealing compound,
Silicone compound
References:
grade H
Adhesive, cyanoacrylate
Solder
Cotton swabs
Alcohol
Figures 4-5, 4-10, 4-11, 4-12, and 4-13 for component locations,
Paragraph 4-40 for removal and installation of bottom cover.
ITEM
ACTION
REMARKS
REMOVAL
a. Mounting adapter
b. Six captive screws (13)
and rear access cover
(12)
c. Terminal lugs (30)
d. Two screws (1) and
flat washers (2)
Set on work surface with left side
Using flat tip screwdriver, fully loosen six
See figure 4-5.
captive screws (13) securing rear access
cover (12) to power control chassis (11).
Remove and retain rear access cover.
Using cross tip screwdriver, remove and
See figure 4-10.
retain screw (29) and Iockwasher (23)
securing terminal lugs (30) to electrical
post (27) .
Using cross tip screwdriver, remove and
See figure 4-11.
retain two screws (1) and flat washers (2)
securing bottom shelf (3) to power control
chassis (4).
4-137
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