WIKA TFS35 - Manual (Page 12)

12
GB
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 off 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 sufficient 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 sufficient precautionary measures.
8.1 Dismounting
WARNING!
Risk of burns!
Let the bimetal temperature switch cool down sufficiently 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!