Burkert 8691 Manuel D'utilisation page 17

Type 8691
Installation
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 holder onto the switch spindle and lock into position.
Puck holder
Switch spindle
Guide element
Groove ring
max. 1 Nm
max. 5 Nm
Actuator cover
O-ring
Spindle extension
english
17