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Lamp Changes
The source lamp used in the sensor has an operating life of at least 1.5 billion flashes. The lamp has
reached the end of its useful life when the instrument becomes unstable or no longer flashes. The
following procedure should be used when changing the source lamp.
1. Turn off the power to the support unit.
2. Open the sensor enclosure by releasing the 1/4 turn latches from the rear of the enclosure. Use a
5/16" allen wrench to turn the two latches 1/4 turn each. The enclosure front cover should now be
open. Note the cover grounding strap at the bottom right of the enclosure. The cover may be
removed from the enclosure by first disconnecting the ground strap and then sliding the cover off its
hinges.
Cover hinges
Grounding strap
disconnected and
cover removed
3. Ground yourself before touching anything inside the sensor to avoid static discharges directly to the
sensor innards.
An interlock switch disconnects power to the high voltage lamp power supply when
the sensor cover is open. However, the lamp should always be treated as if high
4-2
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CAUTION
Maintenance
Grounding strap
connected
11/02
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