GESTRA TK 23, Оригинальная инструкция по установке

Страница: 38 / 64

38
Cleaning and checking the membrane
regulator capsule
The removal method for the membrane regulator
capsule depends on the equipment type.
How to remove the membrane regulator capsule of
equipment with DN 50 is described on page 45.
How to remove the membrane regulator capsule of
equipment with DN 65 - 100 is described on page
46.
 Remove the membrane regulator capsule as
described in the respective section.

Use a depth gauge to check the dimension x of
the membrane regulator capsule as shown in
the following drawing.
The membrane regulator capsule is intact if
dimension x exceeds 4.0 mm.

Discard and replace defective membrane
regulator capsule with a new one.
Mounting cover of equipment with DN 50
Attention!
Equipment may leak if the gasket is
damaged.
 It is therefore essential that you
always insert a new gasket before re-
attaching the cover.

Make sure that the cover is not tilted
or skewed when refitted.

Clean the gasket surfaces of the cover and
body.

Apply a light smear of lubricant to the threads of
the bolts and the underside the bolt heads.
The lubricant must have the same properties as
OKS 217.

Put a new body gasket (31) onto the sleeve (30).

Screw the adjustment screw (9) with the
regulator unit attached to it into the cover (3)
and stop shortly before it hits the stop.

Carefully place the cover with the regulator unit
(4) onto the body.

Make sure that the dampening plate does not
get jammed in the sleeve.