Burkert Type 2300 - Manual (Page 31)

31
Maintenance, cleaning
Removing the actuator from the valve body
→
Clamp the valve body in a holding device
(applies only to valves which have not yet been installed).
NOTE!
Damage to the seat seal or the seat contour!
• When removing the actuator, ensure that the valve is in open
position.
→
Control function A:
Without unit control: pressurize the pilot air port 1 with com-
pressed air (5 bar): valve opens.
With unit control: open the valve according to the operating
instructions for the control unit.
→
Using a suitable open-end wrench, place the wrench flat on the
pipe.
→
Unscrew the actuator from the valve body.
Actuator
Nipple
Valve body
Flats for open-end
wrench
Pilot air port
Exhaust air port 2
1
Fig. 25: Valve
Replace the control cone set
Spindle
Dowel pin
Control cone
Graphite seal
Fig. 26: Replacing the control cone set
NOTE!
Important information for the problem-free and safe functioning
of the device!
The sealing face of the control cone must not be damaged.
english
Type 2300