Burkert 2000 Mode D'emploi page 16

The position of the ports can be steplessly aligned by turning the
actuator through 360°.
Fig. 7: Turn actuator (1)
Clamp valve body in a holding device (only for valves which
have not yet been installed).
ATTENTION!
Damage to the seat seal or seat contour.
▶ When turning the actuator, the valve must be in the open pos-
ition.
4
For control function A und I
pressurise lower pilot air port with compressed air.
4
If variant available
16 english
Actuator
Hexagon head
Body connection
Valve body
:
Type 2000
Installation
Counter with a suitable open-end wrench on the wrench flat of
the body connection.
Place a suitable open-end wrench on the hexagon head of the
actuator.
DANGER!
Risk of injury from high pressure and discharge of medium.
If the direction of rotation is wrong, the body connection may
become detached.
▶ Only turn the actuator is the prescribed direction.
Move the actuator into the required position by turning it
counterclockwise (seen from below).
Fig. 8: Turn actuator (2)