English, Replacement.of.the.plug – Burkert Type 2702 User Manual
Page 29
2702 - 29
M
aintenance
and
S
ervicing
of
the
valve
english
→ Knock out the dowel pin with a suitable driver.
Driver diameter:
up to DN 32
∅ 4 mm
from DN 40
∅ 5 mm
→ Pull off the plug with aid of two metal strips of equal height that are clam-
ped to the left and right of the spindle between the plug and the threaded
nipple of the actuator. To pull off the plug, apply compressed air (approx. 6
bar) to the lower pilot air port of the actuator.
→ Push the new plug over the end of the spindle.
→ Align the bores.
Dowel pin
Plug
attention!
Do not damage the sealing surface or the control contour
at the plug!
Remove the valve body from the piston actuator.
The plug is now in the upper position.
This means the gasket will not be damaged.
Plug
Weld the valve body.
Replacement.of.the.plug