Maintenance And Cleaning - WIKA ELS Betriebsanleitung

7. Maintenance and cleaning

7. Maintenance and cleaning
7.1 Maintenance
When used properly, the float switches work maintenance-free. They
EN
must be subjected to visual inspection within the context of regular
maintenance, however, and included in the vessel pressure test.
Repairs must only be carried out by the manufacturer.
7.2 Cleaning
1. Prior to cleaning, properly disconnect the instrument from the process
and the power supply.
2. Clean the instrument carefully with a moist cloth.
3. Electrical connections must not come into contact with moisture!
16
DANGER!
Work on vessels involves the danger of intoxication and
suffocation. No work is allowed to be carried out unless by
taking suitable personal protective measures (e.g. respiratory
protection apparatus, protective outfit etc.).
Perfect functioning of the float switches can only be
guaranteed when original accessories and spare parts are
used.
CAUTION!
Physical injuries and damage to property and the
environment
Improper cleaning may lead to physical injuries and damage
to property and the environment. Residual media in the
dismounted instrument can result in a risk to persons, the
environment and equipment.
▶
Rinse or clean the removed instrument.
▶
Sufficient precautionary measures must be taken.
Operating instructions float switch, model ELS