Maintenance and Troubleshooting | 5-21
5. Disconnect the DC Power Cable connector (from the Lamp Housing)
at J2 on the Xenon Lamp board located near the top of the Electronics
Enclosure (see Figure 5-1 for location).
6. While holding the Lamp Assembly with one hand, loosen (by hand)
the blue knurled nut that secures it to the Optical Bench Assembly
and remove the Lamp Assembly. Dispose of the Xenon Flash Lamp
Assembly following company policy, or local regulations. Refer to
“UV Source Lamps Disposal” in the contents section of this manual
for more information on disposal recommendations.
Do not use any tool to loosen the blue nut on the Optical Bench when
removing or replacing the Xenon Flash Lamp Assembly.
7. Take the new Xenon Flash Lamp Assembly (Part No. 100-2761) and,
using the alignment pin on the Optical Bench Assembly as a guide,
gently push the Lamp Assembly straight into place.
Tighten, by hand, the blue knurled nut to secure the Lamp Assembly
to the Optical Bench Assembly.
8. Connect the DC Power Cable from the Lamp Housing to J2 on the
Xenon Lamp board.
9. GP Analyzers Only:
Turn on the Instrument Air supply to the analyzer and open the Aspi-
rator Air valve.
10. Take all necessary precautions to safely power up the analyzer and
prepare it for operation:
Do not apply main AC power to the analyzer if the Xenon Flash Lamp
Assembly electrical connections have not been made.
Before proceeding, test the area around the analyzer for flammable
gases. If an explosive gas atmosphere is present, do not apply power to
the analyzer or any alternate power sources that supply power to the
analyzer components. Proceed only when the area is found to be safe.
When the analyzer doors are open, take appropriate precautions to
avoid electrical shock. Hazardous voltages are present inside.
!
CAUTION
!
WARNING
!
WARNING
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