Changing The Printed Circuit Board; Proceed As Follows; Replacing The Valve Group - Burkert 1066 Instructions De Service

Changing the printed circuit board

Proceed as follows:

Remove the cover.
Before disconnecting, mark the electrical connections so that it will
bepossible to reconnect them without error.
Disconnect all electrical connections from the printed circuit board
(plug and / or screw connections).
Loosen the four screws (Torx 10) with which the cover plate is secured.
Remove the cover plate.
Remove all circuit boards (no screw fittings).
Insert the new circuit boards.
ATTENTION!
Ensure the correct fit of the printed circuit boards into
the housing projections!
Replace the cover plate.
ATTENTION!
Ensure the correct fit of the circuit board an the screw
heads in the projections and/or the cut-outs in the
cover plate!
Screw down the cover plate (Torx 10; tightening torque 0.7 Nm).
Reconnect the electrical connections according to the markings made
earlier.
Refit the cover.

Replacing the valve group

The valve group consists of a connection plate with 1, 2 or 3 flanged
valves of the type 6510 and the O-rings for the fluidic flange to the
housing.
For 24 V DC without communication, ASI and
NOTE
DeviceNet, only a change of the whole valve group
is permitted.
Proceed as follows:
Remove the cover.
Before disconnecting from the circuit board, mark the electrical
connections so that it will be possible to reconnect them without
error.
Disconnect all electrical connections from the printed circuit
board (screw connections).
Loosen the 2 screws (Torx 20) with which the valve group is
secured.
Remove the valve group complete with its O-rings.
Fit the new valve group complete with its O-rings.
Screw down the valve group (Torx 20; tightening torque 1.5 Nm).
Reconnect the electrical connections according to the markings made earlier.
Refit the cover, ensuring that the O-rings are correctly seated.
R
EPAIRS
Plate for
24 V DC
without communication
Replacement
ASI module, moulded
Replacement
DeviceNet, moulded
Valve group, optionally
with 1, 2 or 3 valves
- 24 V DC without
communication
- ASI (24 V DC)
- DeviceNet (9 V DC)
1066 - 33