Gestra RK Serie Ergänzung Zur Betriebsanleitung Seite 13

Fitting the RK stroke limiter
EN
Continued
 Insert the ring and the spring (if present) in the housing.
To mount the spring cap of devices with DN 15 to DN 32, proceed as
follows:
 Insert the supplied new spring cap in the check valve.
 Press the spring cap down against the spring resistance, and rotate it so
that it is held by the grooves.
 Using angled pliers, bend the tab of the spring cap up slightly.
The tab must be positioned such that the spring cap cannot be rotated.