Burkert Type 8690 - Manual (Page 20)

20
Pneumaticinstallation
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.
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.
8 pneumaTic insTallaTiOn
Danger!
risk of injury from high pressure in the equipment/device.
▶ Before working on equipment or device, switch off the pressure
and deaerate/drain lines.
procedure:
→
Connect the control medium to the pilot air port (1)
(3 to 7 bar, oil, water and dust-free instrument air).
→
Attach the exhaust airline or a silencer to the exhaust air con-
nection (3).
Important information for the problem-free functioning of the
device:
▶ The installation must not cause back pressure to build up.
▶ Select a hose for the connection with an adequate cross-section.
▶ The exhaust air line must be designed in such a way that no water
or other liquid can get into the device through the exhaust air
connection.
english
Type 8690