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 TM 5-1940-277-20
TM 1940-20/2
5.
Using cross tip screwdriver remove two screws (6) securing lamp socket (5) to light assembly base (7).
6.
Lift lamp socket (5) free of light assembly base (7) exposing wire terminals (8).
Using small flat tip screwdriver loosen terminal screws (9) and pull wires (10) from terminals (8).
7.
Using 8 mm open end wrench and flat tip screwdriver remove three self-locking nuts (11) and three bolts (12).
8.
Lift light assembly base (7) and mounting plate (13) far enough away from mast top (14) to expose bolt heads (15).
9.
Using 8 mm open end wrench and flat tip screwdriver remove three self-locking nuts (16) and three bolts (15).
10.
Pull wires (10) out of light assembly base (7) and mounting plate (13). Retain plate (13) for installation of replacement
11.
light assembly.
INSTALL:
1.
Rotate lens (2) counterclockwise until locking lugs (3) are disengaged.
Lift lens (2) free of light assembly base (7).
2.
Using cross tip screwdriver remove two screws (6) and lamp socket (5) from light assembly base (7).
3.
Feed wires (10) through mounting plate (13) and light assembly base (7) and aline bolt holes.
4.
Install three self-locking nuts (15) and three bolts (15) securing light assembly base (7) to mounting plate (13).
5.
Place mounting plate (13) on top of mast (14) and aline bolt holes
6.
7.
Install three self-looking nuts (11) and three bolts (12) securing mounting plate (13) to top of mast (14).
Insert stripped ends of wires (10) into terminals (8).
8.
9.
Using small flat tip screwdriver tighten terminal screws (9) securing wires (10) in terminals.
10. Place lamp socket (5) in light assembly base (7) and install two screws (6) using cross tip screwdriver.
11. Place bulb (4) in lamp socket (5), push down and turn onequarter turn clockwise to secure in place.
12. Place light lens (2) into light assembly base (7) and rotate clockwise to engage locking lugs (3).
13. Raise mast (refer to paragraph 3-8).
3-205
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