Version 2.0
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6_26931B ELS2100_2100 Ice Se rvice Manual_vsn2.0_maste r.doc
Cleaning The Optical Lens Assembly
When required:
Contamination within the optical assembly (offset too high)
Tools required:
Allen keys
Lint-free optical lens tissue
Parts required:
Light Chamber Window (# 0860-0420)
Photo Detector Assembly (# 0860-0580)
1) Open the detector and remove the front
panel as described in
“Removing the front
panel”
(pg 15).
Loosen the grub screw shown to release the
Light Source Lens Tube on the optical
assembly
2)
Pull the Light Source
Lens Tube out of the optical
block.
3) The Light Source Lens, ‘O’ ring and
spacer are held in place by a Wave-Ring
spring.
Use a small screwdriver to release the
spring (see later). Remove the lens for
cleaning using lint free optical lens tissue.
Refit the lens and reassemble
referring to the optical assembly diagram to
orientate the lens correctly.