Burkert Type 8691 - Manual (Page 17)

17
Installation
Spindle extension
Guide element
Actuator cover
Groove ring
Puck
Switch spindle
max. 5 Nm
max. 1 Nm
O-ring
Figure 5: Installing of the switch spindle (2), series 21xx
noTe!
improper installation may damage the groove ring in the guide element.
The groove ring is already be pre-assembled in the central screw and must be “locked into position” in the undercut.
▶ When installing the switch spindle, do not damage the groove ring.
→
Push the switch spindle through the guide element.
noTe!
screw locking paint may contaminate the groove ring.
▶ Do not apply any screw locking paint to the switch spindle.
→
To secure the switch spindle, apply some screw locking paint (Loctite 290) in the tapped bore of the spindle
extension in the actuator.
→
Check that the O-ring is correctly positioned.
→
Screw the guide element to the actuator cover (maximum torque: 5 Nm).
→
Screw switch spindle onto the spindle extension. To do this, there is a slot on the upper side
(maximum torque: 1 Nm).
→
Push puck onto the switch spindle and lock into position.
english
Type 8691