Burkert 2101 Manuel D'utilisation page 30

remove 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 pressurize the pilot air port 1 with com-
pressed air (5 bar): valve opens.
→
Using a suitable open-end wrench, place the wrench flat on the
tube.
→
Unscrew the actuator from the valve body.
2
Air discharge connection
CFA, CFB
Pilot air port
CFI
Pilot air port
CFA, CFB, CFI
Release bore
Flats for open-end
wrench
Fig. 24: Designation parts
30
Actuator
1
Nipple
Valve body
english
Type 2101
Maintenance,Cleaning
removing the swivel plate
→
Knock out the pin with a suitable pin punch.
pin punch ø 3 mm, for spindle diameter 10 mm on the swivel
plate.
pin punch ø 5 mm, for spindle diameter 14 mm on the swivel
plate.
→
Remove swivel plate.
Fig. 25: Valve set
Spindle
Pin
Swivel plate
Graphite seal