GESTRA UNA 46, Оригинальная инструкция по установке

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31
Replacing the sightglass of the sightglass
cover

Remove the Allen screws (35).

Remove the flange (34) from the sightglass (14).

Remove the outer gasket (33).

Remove the water-level gauge (32).

Remove the inner gasket (33).

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.

Tighten the socket-head cap screws alternately
and in several steps with a torque of 12 Nm.