Definox DCX3 - 7 Disassembling the Valve; Disassembling the Dcx3 Regulating Valve Clamp Collar; Disassembling the Dcx3 Regulating Valve Shut-Off Unit

MAINTENANCE NOTICE
NM-230 index 18 Page 34/55 September 2020
7 DISASSEMBLING THE VALVE
7.1 DISASSEMBLING THE DCX3 REGULATING VALVE CLAMP COLLAR
• Supply air to the NC actuator to relieve the pressure on the clamp collar from the spring.
• Disassemble the clamp collar.
• Switch off the actuator air supply.
• Remove the actuator and plug assembly from the DCX3 body.
7.2 DISASSEMBLING THE DCX3 REGULATING VALVE SHUT-OFF UNIT
• Unscrew the plug by means of the turning flats on the valve and on the actuator stem then
remove the seal support plate.
Clamp collar
Air supply
Turning flats