Agilent Technologies 1100 Series Reference Manual page 160

4 Repairing the Detector
6 Remove the achromat assembly.
8 Remove the spring and the spectro window from the
holder.
9 Clean (with alcohol and lint-free cloth) or replace the
spectro window.
Do not clean the achromatic lens with any liquid. To
clean use dry air only.
10 Replace all parts into the holder and tighten the lens
achromatic with the metal blade.
160
7 Use a metal blade (12-mm width, 1-mm thick) to unscrew
the lens achromatic.
11 Replace the achromat assembly, move it completely into
the optical and fix the setscrew.
1100 Series DAD and MWD Reference Manual