Burkert Type 8690 - Manual (Page 31)

31
Disassembly
13.2. Disassembly the pneumatic
control unit
procedure:
1. Pneumatic connection
DangEr!
risk of injury from high pressure!
• Before dismounting lines and valves, turn off the pressure and
vent the lines.
→
Loosen the pneumatic connection.
→
Series 20xx:
Loosen the pneumatic connection between Pneumatic Control
Unit and actuator.
2. Electrical connection
DangEr!
risk of electric shock!
• Before reaching into the system, switch off the power supply
and secure to prevent reactivation!
• Observe applicable accident prevention and safety regulations
for electrical equipment!
Circular plug-in connector:
→
Loosen the circular connector.
Cable gland:
→
Open the Pneumatic Control Unit: unscrewing the transparent
cap in an anticlockwise direction.
→
Unscrew the screw terminals and pull out cables.
3. Mechanical connection
→
Loosen the fastening screws.
→
Remove the Pneumatic Control Unit upwards.
Pneumatic
Control Unit
Transparent cap
Fastening screws
(2x)
Pneumatic
connections
Pneumatic con-
nection to the
actuator
Actuator
Cable gland
Series 21xx Series 20xx
Fig. 23: Disassembly the Pneumatic Control Unit
english
Type 8690 Ex