30
Exchanging the control unit
Detach the cover from the body as described on
page 19.
Remove the control unit as described on
page 20.
Fix the control unit to the body as described on
page 22.
Attach the cover to the body as described on
page 23.
Exchanging the membrane regulator capsule
Detach the cover from the body as described on
page 19.
Push the mounting clip (35) off the control unit
(1.).
Pull the membrane regulator capsule (29)
upwards and off the seat (34) in the adapter (5)
(2.).
Install the new membrane regulator capsule as
follows:
Press the membrane regulator capsule onto the
seat until it snaps into place.
Slip the mounting clip over the membrane
regulator capsule.
Attach the cover to the body as described on
page 23.
Replacing the sightglass of the sightglass
cover
Remove the socket-head cap screws (36).
Detach the flange (32) from the sightglass cover
(13).
Remove the outer gasket (31).
Remove the sightglass (33).
Remove the inner gasket (31).
For the disposal of the gaskets observe the
pertinent on-site regulations concerning waste
disposal.
Attention!
Equipment may leak if the gasket is
damaged.
Replace all gaskets that you loosen
during your work.
Use only new gaskets of the same
type.
Apply heat resistant lubricant to the threads and
bearing faces of the socket-head cap screws.
The lubricant must have the same properties as
OKS
®
217.
Insert a new gasket in the sightglass cover.
Insert a new sightglass.
Put a new gasket on the sightglass.
Screw the socket-head cap screws into the
bores of the flange.
