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8009389/YN39/V3-0/2015-08| SICKOPERATING INSTRUCTIONS|GM35
Subject to change without notice
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7.3.3 Cleaning the optical interface
▸ Check the optical interfaces of the SR-unit (the front window) and the reflector for soiling
and clean with an optical cleaning cloth when necessary,
see “Cleaning the optical inter-
faces on the SR-unit”, page 104
.
NOTICE: Do not use detergents because their residues, not visible to the naked
eye, will falsify measurement results. If necessary, use distilled water.