bürkert 8694 Bedienungsanleitung Seite 34

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For version with plug-in hose connector, remove the collets (white nozzles) from both pilot air ports (if
present).
Figure 20: Installation of the switch spindle (2), series 2103, 2300 and 2301
NOTE!
Improper installation may damage the groove ring in the guide element.
The groove ring is already be pre-assembled in the guide element and must be "locked into position" in the
undercut.
▶ When installing the switch spindle, do not damage the groove ring.
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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.
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To secure the switch spindle, apply some screw locking paint (Loctite 290) in the tapped bore of the spindle
extension in the actuator.
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Check that the O-ring is correctly positioned.
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Screw the guide element to the actuator cover (maximum torque: 5 Nm).
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Screw switch spindle onto the spindle extension. To do this, there is a slot on the upper side
(maximum torque: 1 Nm).
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Push puck onto the switch spindle and lock into position.
34
english
Type 8694
Installation
Puck
Switch spindle
Guide element
Groove ring
max. 1 Nm
max. 5 Nm
Actuator cover
O-ring
Spindle extension