Issue 04
Düker GmbH
– www.dueker.de
page 13
10 Service and maintenance
10.1 Maintenance
It is recommended to operate fittings that remain permanently in one position three to four times a year.
10.2 Replacing the profile sealing
Mark the positon of the retaining ring (4) to the disc (3) (yellow line).
4
3
3
2