TM 11-5820-890-20-1
5.3. COMPONENT REPAIR. Continued
d. POWER AMPLIFIER MOUNT (PA MOUNT) (MT-6353):
MAINTENANCE REQUIREMENT:
ACTIONS:
(1)
Replace power supply chassis (1)
(1)
Remove 4 hex bolts and 8 washers securing bottom base to
power supply chassis
(2)
Position good power supply chassis
(3)
Install 4 hex bolts and 8 washers securing bottom base to
power supply chassis
(2)
Replace ground strap (7)
(1)
Remove power supply chassis
(2)
Remove nut (19), screw (20), and 2 washers (18) securing ground
strap to bottom base
(3)
Remove nut, screw, and 3 washers securing ground strap to power
supply chassis
(4)
Position good ground strap on bottom base and secure with hardware
(5)
Secure good ground strap with hardware to power supply chassis
(6)
Install power supply chassis
(3)
Replace thumbscrew/rim clamp
(1) Remove retaining ring
(2) Unscrew thumbscrew
(3)
Remove rim clamp and 2 washers
(4)
Install good rim clamp and 2 washers on good thumbscrew
(5) Install thumbscrew
(6) Install retaining ring
(4)
Replace DS1 lamp (2) / lens (3)
(1)
Turn lens CCW to remove
(2)
Pull lens from holder
(3) Replace lamp/lens
(4)
Install lens and turn CW to tighten
(5)
Replace all 4 shock mounts
(1)
Remove power supply chassis
(15)/mounting plate (16)
(2)
Remove 16 screws (17) from mounting plate
(3)
Position 4 shock mounts on mounting plate
(4)
Install 16 screws and tighten
(5)
Install power supply chassis
(6)
Replace connector cover
(1)
Remove connector cover from retainer
(2)
Secure connector cover to retainer
5-19
