GESTRA RK Serie Instrucciones De Modificación página 15

Fitting the RK stroke limiter
 Insert the ring and the spring (if present) in the housing.
Important
A bent spring cap leads to malfunctions.
 Only squeeze the spring cap as much necessary in order to install it
Otherwise, the spring cap may lose its tension. In this case, the spring cap is no
longer securely fastened, and the device will not function correctly.
To mount the spring cap of devices with DN 40 to DN 100, proceed as follows:
 Insert the supplied new spring cap in the check valve.
 Using snap ring pliers, squeeze the spring cap together.
 Press the spring cap down against the spring resistance, and rotate it so that it is
held by the grooves.
securely.
Continued
EN