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8027605/V1-0/2022-03| SICKS Y S T E M D E S C R I P T I O N | ALIS
Subject to change without notice
9 MAINTENANCE AND REPAIR
9.1 Regular Control Measurement
▸ Fault-free functioning of the track and trace system should be ensured by means
of regular monitoring.
▸ Check reading performance while doing so.
▸ If any unexpected deviations are found, check the track and trace system for mechanical
damage.
▸ Should the track and trace system show signs of mechanical damage, contact
SICK Service
9.2 Visual Control
Visual inspection of the conveying equipment
▸ Regularly check the conveying equipment for damage or contamination.
▸ Replace any damaged belt elements immediately.
Visual inspection of the cables
▸ Check the electrical installation regularly.
▸ Make sure that all cable connections are secure.
▸ Replace any damaged connecting cables immediately.
9.3 Cleaning Instructions
9.3.1 Cleaning the CLV691/CLV651
Contamination on the viewing window of the fixed mount bar code scanners can impair the
scanning performance.
▸ Regularly check the viewing window for contamination.
WARNING
HAZARDOUS LASER RADIATION
CLV691 and CLV651 fixed mount bar code scanners work with a laser class 2 laser.
The human eye is not at risk when briefly exposed to the radiation for up to 0.25 seconds.
Exposure to the laser beam for longer periods of time may cause damage to the retina.
The laser radiation is harmless to human skin.
▸ Never look directly into the laser beam.
▸ Never point the laser beam at people’s eyes.
▸ During commissioning or maintenance work, suitable eye protection must be worn.
▸ Avoid laser beam reflections caused by reflective surfaces. In particular during mount-
ing and alignment work.
▸ Do not open the housing.
▸ Current national regulations regarding laser protection must be observed.
NOTICE
Reduce reading performance due to scratches or streaks on the viewing window
The viewing window is made of glass. The optical output is weakened by scratches and
streaks on the viewing window.
▸ Do not use aggressive cleaning agents.
▸ Do not use abrasive cleaning agents.
▸ Avoid any movements that could cause scratches or abrasions on the viewing window.
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