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8009441/YN36/V3-0/2015-08| SICKOPERATING INSTRUCTIONS|GM35
Subject to change without notice
MAINTENANCE
8.3.2 Cleaning the optical interface (window) on the SR-unit
▸ Unlock and open the SR-unit enclosure by releasing the quick-release fasteners.
▸ Check the optical interface (window) on the SR-unit for contamination and, if necessary,
clean using an optical cleaning cloth. Do not use any detergents because these leave
invisible residues that could falsify the measuring result. The cleaning cloths can be
moistened with distilled water if necessary.
▸ Close and lock the enclosure again to protect the cleaned optical interface against
humidity or dust.
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Fig. 67: Optical interface (window) on the SR-unit
WARNING: Take care when the duct is pressurized!
▸ If the duct is pressurized, appropriate protective measures must be taken,
in particular wear a protective mask.
▸ Prepare a suitable cover for the opening on the device flange of the SR-unit
and keep it available.
▸ Once the SR-unit has been opened, place the cover on the opening of the
device flange immediately.
Optical interface
(front window)
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