Burkert Type 2702 - Manual (Page 26)

26 - 2702
M
aintenance and
S
ervicing of the valve
english
Faults
possible.problems.with.control.are.listed.in.the.operating.manual.of.the.topControl.
Replacement.oF.the.plug.with.topControl type.8630
On the fluidic side is it possible to exchange the plug if it becomes worn or damaged. For this purpose the
actuator must be disassembled from the valve body.
→ Remove the electrical and pneumatic supplies from the TopControl.
→ Pull off the pneumatic hose between TopControl and actuator at control
connection of actuator
. control.function.a:
→ Pressurize the lower pilot air of the actuator with compressed air
(6 bar), so that the plug is lifted from the valve seat and is not
damaged.
. control.function.B:
→ With control function B, no compressed air must be applied for this
purpose.
→ Remove the actuator in the open valve position by unscrewing the nipple
from the valve body.
threaded nipple
attention!
Repairs to the actuator may only be carried out in the factory. Contact your Bürkert branch
or ourCustomer Service directly:
Bürkert Fluid Control System
Sales Center
Chr.-Bürkert-Str. 13-17
D-74653 Ingelfingen
Tel.: +49 (07940) 10 91-111
Fax: +49 (07940) 10 91-448
E-Mail: [email protected]
caution!
use.of.the.incorrect.lubricant.causes.contamination!
For special applications such as for oxygen and analysis, use only the approved lubricants.
demounting.the.actuator