5-6
XENON LAMP REMOVAL.
Perform the following steps in the following sequence:
(a)
Position STANDBY/ON/IGNITE switch A3S1 to STANDBY.
(b)
Allow searchlight to cool approximately 15 minutes until cooling fans stop running.
(c)
Position searchlight Power Supply circuit breaker A1CB1 to OFF and disconnect ship’s
power.
(d)
Open searchlight window by unclamping three clamps and lowering window.
WARNING
Avoid unnecessary torque on xenon lamp by using two wrenches, one to engage the flats
on the anode to prevent the lamp from turning and the other to remove the
terminal hold-down nut. Excessive torque on lamp could cause it to break.
(e) Remove hold-down nut from stud on front of lamp using two wrenches.
(f) Remove wire lead from stud.
(g) Loosen screws on lamp plate and remove lamp plate from support assembly.
(h) Carefully pull lamp plate from lamp.
(i) Insert empty lamp extractor through opening in bipod assembly and slide inward until it
engages bayonet base of lamp in lamp holder slots.
(j) Remove the lamp from the extractor and wrap old lamp in its plastic wrapper. Tie lamp at both
ends, wrap in foam rubber and store in its original shipping carton for future disposition.
5-7
XENON LAMP INSTALLATION.
Perform the following steps in the following sequence:
(a) Remove new lamp from corrugated box. The lamp is packed in clear plastic with ties at both
ends, then wrapped in foam packing material.
(b) Place lamp wrapped in foam on flat, stable surface.
CAUTION
Do not touch glass area of lamp. Finger acid or dirt may cause
lamp to break when ignited.
(c) Remove foam material.
(d) Untie and remove plastic wrap.
(e) Insert lamp into extractor.
(f) Insert extractor into opening in lamp support and slide forward until lamp cathode stud terminal
engages threaded hole in rear lamp retainer.
(g) Screw lamp in by turning extractor in CW direction until lamp seats firmly.
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Summary of Contents for 9304
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