Burkert 8697, Operating Instructions Manual

Page: 19 / 33

19
Installation
Open-end wrench
Fig. 15: Rotating with open-end wrench
7.5. Rotating the Pneumatic Control
Unit for process valves belonging
to series 20xx
If the connecting cables or hoses cannot be fitted properly following
installation of the process valve, the Pneumatic Control Unit can
be rotated contrary to the actuator.
Procedure
→
Loosen the pneumatic connection between the Pneumatic
Control Unit and the actuator.
→
Loosen the fastening screws (hexagon socket wrench size
2.5).
→
Rotate the Pneumatic Control Unit into the required position.
Pneumatic
connection
Fastening
screw (2x)
Actuator
Pneumatic
Control Unit
Fig. 16: Rotating the Pneumatic Control Unit, series 20xx
NOTE!
Too high torque when screwing in the fastening screw does
not ensure degree of protection IP65 / IP67.
▶
The fastening screw may be tightened to a maximum torque
of 0.5 Nm only.
→
Tighten the fastening screws hand-tight only
(maximum torque: 0.5 Nm).
→
Re-attach the pneumatic connections between the Pneumatic
Control Unit and the actuator. If required, use longer hoses.
english
Type 8697