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To Clean Dirt Sensor Optics
The dirt sensor optics consist of two
optic cells located inside the suction
inlet. Occasionally, it may become
necessary to clean the two optic cells
to assure maximum performance.
Clean optic cells:
• When dirt or dust adheres to the
optic cells.
• Whenever the dust bin is cleaned.
To clean the dirt sensor optics,
remove extension hose at the suction
inlet.
With the hose removed you can insert
a cloth into the suction inlet opening.
Wipe the optic cells with a soft, dry
cloth.
Never use cleaners or liquids as they
can help speed the recoating of the
optic cells and make it necessary to
clean them much sooner than normal.
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