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English – Burkert Type 2712 User Manual

Page 15

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M

AINTENANCE

AND

S

ERVICING

OF

THE

V

ALVE

2712 - 13

english

Support the control cone at ists cylindrical part with the aid of a V-block or the like.
Place the dowel pin in postion and carefully knock in with a hammer.
Bring the dowel pin into a central position relative to the spindle axis (knock it in up to the end of the
recess).
Before reinstalling the actuator, grease the nipple thread with stainless steel lubricant, e.g.
Klüberpaste UH1 96-402 from Messrs. Klüber and replace the graphite seal. *

Assembly

ATTENTION!

For special applications such as for oxygen and analysis, use only the approved

lubricants.

After tightening the threaded nipple, align the control ports by turning the actuator.*

ATTENTION!

* During this operation, the valve must be in the open position.