Bürkert 2712 Series, Operating Instructions Manual

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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.