Burkert 8697 Manuel D'utilisation page 14

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 spacer sleeve onto the switch spindle up to the guide element.
Position switch cams on the switch spindle:
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Push lower switch cam up to the spacer sleeve.
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Push upper switch cam until 3 mm from the start of the switch
spindle.
Ensure that the distance between both switch cams is maximum
(see "Fig. 7").
14
english
Type 8697
Installation
2. Install sealing rings
Pilot air ports
Caution:
Collets must not be
fitted !
Fig. 8: Installing of the sealing rings, 21xx series
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Pull the form seal onto the actuator cover (smaller diameter points
upwards).
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Check that the O-rings are correctly positioned in the pilot air ports.
When the Pneumatic Control Unit is being installed, the collets
of the pilot air ports must not be fitted to the actuator.
Form seal
Installation of
the form seal