7 MAINTENANCE AND REPAIR
8026362 / V1-0/2022-03|SICK
SUPPLEMENTARY OPERATING INSTRUCTIONS | VMS4100/5100
Subject to change without notice
7 Maintenance and repair
Maintenance and repair measures may only be carried out by qualified persons.
• Qualified persons have the specialist training, skills, experience and knowledge of
the relevant regulations and standards needed to be able to perform work assigned
to them and to identify and avoid any potential dangers independently.
• Electricians have the professional training, skills, experience and knowledge of the
relevant standards and provisions needed to work on electrical systems and to detect
and avoid any potential dangers independently.
Device Maintenance task Interval* Type
LMS4x21 Cleaning the front screen 1x/month
Trained
personnel
Incremental
encoder
Visually inspect the incremental encoder for signs
of measuring wheel wear and check the measuring
wheel/conveyor belt contact
1x/month
Trained
personnel
Photoelectric
retro-reflective
sensor (optional)
Cleaning the light emission and reflector
Visually inspect the object detection photoelectric
sensor and reflector for rotation that may have
occurred as a result of touching or the like
4x/year
Trained
personnel
Cabinet
Cleaning the air inlets and outlets
Replacing the filter mat in the air inlets and outlets
4x/year
General
information
Visual monitoring for contamination Daily
Trained
personnel
Optical monitoring of conveying equipment for foreign
bodies/damage
Daily
Trained
personnel
Control measurements with test objects to check the
measurement accuracy of the multi-dimensional
measurement system
Whenever the
system is started
Trained
personnel
Visual electrical cabling check and as well as visual
inspection of wiring for damage
1x/year
Trained
personnel
Maintenance of the individual components 2x/year
Service
technicians
Checking the complete system including measurement
system/reading performance/image quality/reading
range
1x/year
Service
technicians
* The intervals depend on the ambient conditions and degree of contamination. In addition, the intervals must be defined
according to how important they are for the customer process.
Tab. 19: Maintenance intervals