Maintenance And Cleaning - WIKA TFS135 Mode D'emploi

7. Maintenance and cleaning

7. Maintenance and cleaning
7.1 Maintenance
EN
The bimetal temperature switch is maintenance-free.
Repairs must only be carried out by the manufacturer.
7.2 Cleaning
14
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CAUTION!
Prior to cleaning, switch off and disconnect the
■
instrument from the voltage supply.
Clean the instrument with a moist cloth.
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Electrical connections must not come into contact with
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moisture.
Wash or clean the dismounted instrument before
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returning it, in order to protect persons and the
environment from exposure to residual media.
Residual media in dismounted instruments can result
■
in a risk to persons, the environment and equipment.
Take sufficient precautionary measures.
For information on returning the instrument see chapter
8.2 "Return".
WIKA operating instructions model TFS135