TM 5-3610-253-14
(1) Tag and disconnect wires from emitter bulb sockets.
(2) Remove two screws holding relay board in place.
(3) Unplug and remove defective relay board.
(4) Plug connector of new board into input cable connector.
(5) Install new relay board with two mounting screws.
(6) Reconnect wiring from new board to terminals of emitter bulbs and
tighten terminal screws, then proceed to step j.
To replace lamp, proceed as follows:
g.
Remove knurled nuts holding emitter plate in place and pull out
(1)
emitter plate.
Push and rotate defective bulb 90 degrees and remove bulb.
(2)
5-183