TM 11-5820-890-30-4
5-19. REPLACEMENT OF POWER AMPLIFIER COVER.
Tools:
Flat tip screwdriver
Torque screwdriver
ITEM
ACTION
REMARKS
REMOVAL
a. Power amplifier
Set on work surface with heat sink side
down. See figure 5-11.
b. Cover (10)
INSTALLATION
c. Cover (10)
d. Cover (10)
Use flat tip screwdriver. Fully loosen 12
captive screws and remove cover.
Inspect for damage to gasket. Replace
cover if damaged.
Set in place on power amplifier case (4).
Start screws. Use torque screwdriver.
Torque screws to 8 to 10 in-lb.
5-20. REPLACEMENT OF DECODER CONTROL (6A2).
Tools:
Flat tip screwdriver
Cross tip screwdriver
Torque screwdriver
ITEM
ACTION
REMARKS
REMOVAL
a.
b.
c.
d.
e.
Power amplifier
Cover (10)
Two middle screws (9),
Iockwashers (8), flat
washers (7), and insulating
washers (6)
Four corner screws (9),
Iockwashers (8), and
flat washers (7)
Decoder control (11)
Set on work surface with heat sink side
down. See figure 5-11.
Use flat tip screwdriver. Fully loosen 12
captive screws and remove cover.
Use flat tip screwdriver. Loosen and
remove.
Use flat tip screwdriver. Loosen and
remove.
Pull free from power amplifier case (4)
and disconnect wiring harness from
decoder control connector J1.
5-37
