Cleaning Or Replacing Coupling Lens Assembly - Agilent Technologies 1100 Series Reference Manual

4 Repairing the Detector

Cleaning or Replacing Coupling Lens Assembly

When required
Tools required
Parts required
Preparations for this procedure:
•
Turn off the lamp(s).
If the detector was in use, the lamp may be hot. If
so, wait five minutes until lamp cools off.
•
Remove the front cover.
•
Remove both lamps, see
page 102.
132
The coupling lens assembly is located between the tungsten and the
deuterium lamp. It may be replaced when light transmission is reduced and a
lamp exchange or window cleaning does not improve the light throughput.
Screwdriver POZI 1 PT3
hexagonal key 1.5 mm
A pointed pair of pliers
Coupling lens assembly G1103-68001
"Exchanging a Lamp" on
1
Use the 1.5-mm hex key to loosen the setscrew that
secures the lens assembly.
1100 Series DAD and MWD Reference Manual