
1100 Series DAD and MWD Reference Manual 135
Repairing the Detector 4
Cleaning or Replacing Cell Support Window
When required This window is located between the holmium oxide filter and the flow cell. It
may be replaced when the transmission of light is reduced and a lamp
exchange or a window cleaning does not improve the light throughput.
Tools required Screwdriver POZI 1 PT3
hexagonal key 1.5 mm
Pointed pair of pliers
Parts required Cell support window 79880-28111
Cell support window assembly G1315-65202
For others., see “Cell Support Assembly” on page 200
Preparations for this procedure are:
• Turn off the lamp(s).
If the detector was in use, the lamp may be hot. If
so, wait 5 minutes until lamp cools.
• Remove the front cover.
• Remove the flow cell, see “Exchanging a Flow Cell” on
page 105.
1 Unscrew the six screws and remove the flow cell cover.
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