![background image](http://html.mh-extra.com/html/sick/c4-rd/c4-rd_operating-instructions-manual_1264345056.webp)
DANGER
Hazard due to unexpected starting of the machine
b
Make sure that the dangerous state of the machine is and remains switched off
during the cleaning.
b
Make sure that the outputs of the safety light curtain do not affect the machine
during the cleaning process.
NOTICE
b
Do not use any aggressive cleaning agents.
b
Do not use any abrasive cleaning agents.
b
We recommend anti-static cleaning agents.
b
We recommend the use of anti-static plastic cleaner (SICK part number 5600006)
and the SICK lens cloth (SICK part number 4003353).
Approach
1.
Remove dust from the front screen using a soft, clean brush.
2.
Then wipe the front screen with a clean, damp cloth.
3.
Check the position of the sender and receiver after cleaning.
4.
Check the effectiveness of the protective device.
Further topics
•
•
"Minimum distance to reflective surfaces", page 19
9.3
Regular thorough check
The test is intended to ensure that the hazardous area is monitored by the protective
device and any attempted access to the hazardous area is prevented.
b
Carry out the checks according to the instructions from the manufacturer of the
machine and from the operating entity.
9
MAINTENANCE
56
O P E R A T I N G I N S T R U C T I O N S | C4-RD
8025644/19Z2/2021-03-09 | SICK
Subject to change without notice