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 TM 55-1905-223-24-18-1
Repair Double Lens Navigation Light (Forward Masthead Light, Aft Masthead
Light, Starboard Sidelight, Port Sidelight, Stern Light). (FIGURE 2-29)
This task covers:. a. Disassembly, b. Repair, c. Assembly
I N I T I A L SETUP
Tools
Equipment Condition
Tool kit, general mechanic's,
Electrical power turned OFF at
navigation lights panel and switch
tagged "Out of Service - Do Not
Operate.'
Materials/Parts
Gasket P/N 95800146
Incandescent Lamp P/N 90400172
White lens P/N 83070017
Red lens P/N 83070019
Green lens P/N 83075018
Warning tags, Item 1, Appendix C
NOTE
Marine navigation lights P/N 3076009
(forward and aft masthead lights), P/N
3079109 (starboard sidelight), P/N 3078209
( p o r t sidelight), and P/N 3077009 (stern
l i g h t ) are structurally identical. They
differ in the color of the lens - white for
forward masthead, aft masthead, and stern,
green for starboard sidelight, and red for
p o r t sidelight. This procedure is appli-
cable to the five double lens marine
n a v i g a t i o n lights. When replacing the lens,
be certain to use correct replacement color
(white, green, or red).
DISASSEMBLY
a. Loosen set screw (2) and remove lid (1) and gasket (12).
Unscrew and remove upper clamp (9).
b.
Remove upper lens (10) and screen (11).
c.
Loosen and remove upper bulb (3) from upper socket (4).
d.
Unscrew and remove lower clamp (6).
e.
2-260
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