Burkert 8694 - Page 41

41
Installation
Guide element
O-ring
Plastic part
(Switch spindle)
Puck
Switch spindle
Spindle (actuator)
Figure 24: Installing the switch spindle (2), series 26xx and 27xx
→ Press the O-ring downwards into the cover of the actuator.
→ Actuatorsizeø125andbiggerwithhighairowrate:
remove existing spindle extension and replace with the new one. To do this, apply some screw locking
paint (Loctite 290) in the tapped bore of the spindle extension.
→ Screw the guide element into the cover of the actuator using a face wrench
21)
(torque: 8.0 Nm).
→ To secure the switch spindle, apply some screw locking paint (Loctite 290) to the thread of the switch spindle.
→ Screw the switch spindle onto the spindle extension. To do this, there is a slot on the upper side
(maximum torque: 1 Nm).
→ Push the puck onto the switch spindle until it engages.
21) Journal Ø: 3 mm; journal gap: 23.5 mm
english
Type 8694 REV.2