Pneumatic Installation; Maintenance - Burkert 2012 Instructions De Service

Pneumatic installation

Control medium:
Direct connection to the piston control valve
- control function A:
- control function B:
- control function I:

MAINTENANCE

Repairs
ATTENTION!
Repairs to the actuator may only be carried out in the factory.
Contact your Bürkert branch or our Customer Service:
Replacing the valve seat
Unscrew the old housing seat unsing the special tool and
a screwdriver.
Clean the tread and sealing surface inthe housing with
compressed air.
Select the correct tool insert and screw it into the tool.
Push the new seat onto the tool, lubricate the thread with
high temperature resistant lubricant, e.g. Klüberpaste
UH1 96-402 from Messrs. Klüber.
ATTENTION!
For special applications such as for oxygen and
analysis, use only the approved lubricants.
Place the attached seat by hand in the housing thread and screw it in.
Tighten to the specified torque using a torque wrench.
air
at the lower connection of the actuator with G ¼" thread
at the upper connection of the actuator with G ¼" thread
at the upper and lower connections of the actuator with G ¼" thread
Bürkert Fluid Control Systems
Chr.-Bürkert-Str. 13-17
Service Department
D-76453 Ingelfingen
Tel.: (07940) 10-111
Fax: (07940) 10-448
E-mail: info@de.buerkert.com
Special tool
Tool insert
(to match seat size)
Valve seat
2012 big - 5