Changing The Valves - Burkert 8681 Operating Instructions Manual

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Carefully lift the electronics module upwards.
Installation procedure:
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Carefully insert the entire electronics module into the recess in the lower housing part.
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Plug the electronics module carefully onto the contact pins for the position measuring system.
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Refasten the electronics module with the Torx T10 screw (torque 0.4 Nm).
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Reattach the electrical connections.
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Check DIP switch positions (4-switch block for color coding, 8-switch block on DeviceNet electronics module
for address and Baud rate) and set the previously noted switch settings, if necessary.
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If necessary, set AS interface address and jumper positions.
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If required, make settings again, read out by the PC service program, using the PC service program.
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Perform Teach-In procedure (see Chapter "16.1. Setting the position measuring system (Teach-In)").
Be sure to work carefully and cautiously, so that the electronics are not damaged.
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Close the housing following the instructions in Chapter "8. Opening and Closing the Housing".
20.3.

Changing the valves

According to the design, 0 to 3 valve modules have been installed in the control head. The valves have been
designed with the flow restriction equipment for intake and exhaust air and must be installed as a valve module.
Note:
Disassemble/assemble the valves in upright position, oth-
erwise there is a risk that the non-return valve will fall out!
Fig. 39: Valve module
Procedure:
92
Valve module from above
English
 ReplacementofComponentsandModules
Flow restriction screws
Torx screws (T10),
tightening torque:
1 Nm
Control Head Type 8681
Replacement o f C omponents a nd M odules