Maintenance - WIKA DELTA-comb 702.03.100 Betriebsanleitung

7. Options and accessories / 8. Maintenance
Sequence of operations to dismount the measuring instrument with a
■
running process
GB
1. Open the pressure compensating valve
2. Close the shut-off valve for the ⊕ and ⊖ media chamber
3. Open the vent valve
7.2 Panel mounting flange

8. Maintenance

The instruments are maintenance-free.
The indicator and switching function should be checked once or twice every year.
For this the instrument must be disconnected from the process to check with a
pressure testing device.
Repairs must only be carried out by the manufacturer.
16
Panel
WIKA operating instructions differential pressure gauge, model 702.03.100