Wika TFS35 Manuel d'utilisateur télécharger pdf (Page 12)

11610115.03 11/2012 GB/D/F/E

WIKA operating instructions model TFS35

7. Maintenance and cleaning / 8. Dismounting, return ...

7. Maintenance and cleaning

7.1 Maintenance

The bimetal temperature switch is maintenance-free.

Repairs must only be carried out by the manufacturer.

7.2 Cleaning

CAUTION!

 Prior to cleaning, switch o and disconnect the instrument from the voltage

supply.

 Clean the instrument with a moist cloth.

 Electrical connections must not come into contact with moisture.

 Wash or clean the dismounted instrument before returning it in order to

protect personnel and the environment from exposure to residual media.

 Residual media in dismounted instrument can result in a risk to persons, the

environment and equipment. Take sucient precautionary measures.

For information on returning the instrument see chapter 8.2 "Return".

8. Dismounting, return and disposal

WARNING!

Residual media in dismounted instruments can result in a risk to persons, the

environment and equipment.

Take sucient precautionary measures.

8.1 Dismounting

WARNING!

Risk of burns!

Let the bimetal temperature switch cool down suciently before dismounting!

During dismounting there is a risk of dangerously hot pressure media escaping.

Only disconnect the bimetal temperature switch once the system has been depressurised!

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Wika TFS35 Manuel d'utilisateur Page 12