SICK deTec4 Ex II 3GD - Regular Thorough Check

DANGER
H
azard due to lack of effectiveness of the protective device
Persons and parts of the body to be protected may not be recognized in case of
non-observance.
b
Make sure that the optical properties of the front screens of the sender and
receiver are not changed, e.g., by:
°
beading water, mist, frost, or ice formation. If applicable, remove films or
other types of contamination, disconnect the voltage supply of the receiver
and then switch it back on.
°
Scratches or damage. Replace the device whose front screen is scratched or
damaged.
b
Make sure that all reflective surfaces and objects maintain a minimum distance
from the protective field.
b
Make sure that no dispersive media (e.g., dust, fog, or smoke) are within the
calculated minimum distance from the protective field.
DANGER
H
azard 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
D
o 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
•
"T
est rod check", page 63
•
"Minimum distance to reflective surfaces", page 30
10.3 Regular thorough check
The test is intended to ensure that the hazardous area is monitored by the protective
de
vice 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.
MAINTENANCE 10
8023872/18YZ/2021-01-14 | SICK O P E R A T I N G I N S T R U C T I O N S | deTec4 Ex II 3GD
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Subject to change without notice