7 MAINTENANCE AND REPAIR
TRANSLATION OF THE ORIGINAL OPERATING INSTRUCTIONS| VMS6200
Subject to change without notice
7.1.4 Cleaning the photoelectric retro-reflective sensor
Contamination on the photoelectric retro-reflective sensor can cause faulty switching
behavior.
▸
Remove any contamination from the optically active surfaces.
Fig. 38: Cleaning the optical surfaces of the photoelectric retro-reflective sensor
▸
Check that the photoelectric sensor and reflector are aligned correctly at regular
intervals.
7.1.5 Cleaning the components of the incremental encoder
The measuring wheel of the incremental encoder must remain in direct and steady
contact with the conveying equipment and must turn without any slipping.
Contamination on the measuring wheel or damaged rubber rings can cause faulty
behavior of the incremental encoder.
Fig. 39: Visual inspection of the incremental encoder
▸
Remove any contamination on the measuring wheel of the incremental encoder.
▸
Replace damaged rubber rings.
▸
Check the wear of the measuring wheel.
NOTE! If it is so badly worn that contact with the conveying equipment is impaired, the
incremental encoder must be replaced (see Section 7.2.6 Replacing the components
of the incremental encoder).
Maintenance
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