of Xenon Lamp
The Xenon lamp is under high internal pressure
b. Release the safety bail (1) on the handle of the
and must be handled carefully. If dropped or
clamp (2). Remove the clamp and carefully lift the win-
given a sharp blow, it can explode violently.
dow and window seal (3) away from the searchli
The glass envelope of the lamp must never be touched
with bare hands, dirty gloves, or rags. Finger acids and
dirt can cause spots on the envelope which, in turn, can
Leave the window seal around the perimeter of
cause violent failure of the lamp.
The spare lamp is contained inside a lampholder and
(5), and flat washers (6) that hold the wire terminal (not
held in place by tape covering the open end of holder.
shown) to the lamp support (7); remove the lamp support
The holder is also used as a tool for removing and in-
(7) from the biped assembly (11).
stalling the lamp. To insure personal safety during lamp
replacement, lamp must always remain inside the holder
d. Carefully pull the lamp support (7) away from bi-
until lamp installation has been completed.
pod assembly (11).
Wear a face mask, asbestos gloves, and a protective
e. Insert an empty lampholder through the opening
apron when removing and replacing the Xenon lamps.
in bipod assembly (11) and slide it inward until the end
of travel is felt.
The window should not be removed or the Xenon lamp
f. Unscrew the xenon lamp counterclockwise, using
worked on until the searchlight has been off for at least
the lampholder as a tool.
g. Remove the xenon lamp and the lampholder from
the biped assembly (11). Tape the open end of the
Bury or discard lamp to avoid personnel coming
holder to prevent the xenon lamp from slipping out.
in contact with Xenon lamp inside lampholder.
h. Install the replacement lamp and holder assembly
TO replace the Xenon lamp, perform the following steps:
(8) through the opening in the biped assembly (11).
a. Disconnect the power cable at searchlight to prevent
i. Carefully turn the lampholder (9) clockwise until
the xenon lamp (10) is snugly fastened into place.