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Maintenance and testing
12
Maintenance and testing
12.1
Regular checks
Regular checks can bring to light changes to the plant/machine, safeguards and ambient
conditions.
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Test intervals (in accordance with EN ISO 14119)
– at least monthly for PL e
– at least every 12 months for PL d
– When safety switches are used under corrosive ambient conditions, the intervals
}
Check that the safety switch and actuator are firmly secured.
Tighten the fixing screws using the appropriate torque.
}
Remove any dirt from the safety switch and actuator.
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Check that the wiring is correct.
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Check the offset of the safety switch and actuator.
– Max. lateral offset
– Max. angular offset
– Max. vertical offset
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Make sure that the sealing areas on the connector and the socket of the connection lines
are not damaged.
}
Check the safety switch and actuator for damage.
Replace the damaged safety switch and actuator.
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Check the brackets for wear when exchanging a safety switch or an actuator. Also ex-
change the mounting brackets.
Operating Manual PSEN sl2-IL1/2/3-P
1005909-EN-02
INFORMATION
Pilz recommends creating a maintenance plan.
INFORMATION
Checks may only be performed by qualified personnel.
NOTICE
Only Pilz may repair the device. Any guarantee is rendered invalid if the
housing is opened or unauthorised modifications are carried out.
must be shortened.
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