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 TM 5-1940-277-20
TM 1940-20/2
Turn lens (2) counterclockwise until lens mark (3) alines with removal mark (4) on light assembly housing (5).
2.
Remove lens (2) from light assembly housing (5).
3.
Remove bulb (6) from lamp socket (7) by pushing in, turning onequarter turn to left and pulling out.
4.
Using flat tip screwdriver loosen terminal screws (8). Tag and disconnect wires (9).
5.
Remove silicone sleeves (10) from wires (9).
6.
Using flat tip screwdriver remove the two screws (11) securing light assembly housing (5) to mast mounting
7.
bracket (12).
Pull light assembly base (5) away from mast so that wires (9) slip through the hole in light assembly housing.
8.
INSTALL:
Slide silicone sleeves (10) supplied with new light assembly on to the wires (9) coming from mast mounting brack-
1.
et (12).
Feed wires (9) through the hole in light assembly housing.
2.
Using flat tip screwdriver fasten the top of the light assembly with two screws supplied with new light assembly to
3.
the mast mounting bracket (12).
4.
Using flat tip screwdriver note the terminals wire marking and reconnect stripped wires (9) on to lamp socket
terminals (6).
Place bulb (6) in lamp socket (7), push down, and turn onequarter turn to right to secure.
5.
Place lens (2) on light assembly housing (5) so that lens mark (3) alines with removal mark (4).
6.
7.
Turn lens (2) clockwise until lens mark (3) alines with stop position on light assembly housing (5).
Raise mast (refer to paragraph 3-8).
8.
3-211
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