GESTRA UNA 46, Оригинальная инструкция по установке

Страница: 21 / 52

21

Replace all gaskets with new ones of the same
type.

Insert a new regulator gasket (28) in the body
(2).

Turn the control unit (4) to the desired position.

Insert the control unit in the body without tilting
it.

Secure the control unit using the four Allen
screws (27).
The torque of the Allen screws depends on the
model.

For models with DN 15 to DN 25, the required
torque is 4 Nm.

For models with DN 40 to DN 65, the required
torque is 7 Nm.

Tighten the Allen screws to the specified torque.

Attach the cover to the body as described in the
section "
Mounting cover " from page 21.
Mounting cover
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 heat resistant lubricant to the threads and
bearing faces of the screws.
The lubricant must have the same properties as
OKS
® 217.

Put a new body gasket (3) onto the body (2).

Insert the four screws (9) into the bores of the
body.

Refit the cover (7) onto the body such that the
name plate (6) points upwards.