11.
repairs
11.1.
replacing the control cone set
The control cone set consists of
•
Control cone
•
Graphite seal
•
Dowel pin
•
Lubricant
Before the control cone set can be replaced, the actuator must be
removed from the valve housing.
Danger!
risk of injury from discharge of medium and pressure!
It is dangerous to remove a device which is under pressure due to
the sudden release of pressure or discharge of medium.
•
Before removing a device, switch off the pressure and vent the
lines.
Warning!
risk of injury if the wrong tools are used!
It is dangerous to use unsuitable tools for installation work as the
device may be damaged.
•
To remove the actuator from the valve housing, use an open-end
wrench, never a pipe wrench.
28
english
Type 2300
Repairs
removing the actuator from the valve housing
Control function a:
→
In manual mode, set the stroke of the activation unit to
approximately 50%. The corresponding description can be found
in the operating instructions of the respective activation unit in
the chapter "Start-up and operation".
Control functions B and i:
For control functions B and I it is not necessary to switch on
compressed air for the installation.
→
Remove actuator when valve in open position.
Remove nipple thread from the valve housing with open-end
wrench.
Control air connection