35
Maintenance, cleaning
Removing the actuator from the valve body
→ Clampthevalvebodyinaholdingdevice
(appliesonlytovalveswhichhavenotyetbeeninstalled).
NOTE!
Damage to the seat seal or the seat contour!
▶ Whenremovingtheactuator,ensurethatthevalveisinopen
position.
→ Control function A:
Without unit control:
pressurizethepilotairport1withcom-
pressedair(5bar):valveopens.
With unit control:openthevalveaccordingtotheoperating
instructionsforthecontrolunit.
Actuator
Nipple
Valvebody
Flatsforopen-
endwrench
Pilotairport
Pilotairport
2
1
Fig. 28: Valve
→ Usingasuitableopen-endwrench,placethewrenchatonthe
pipe.
→ Unscrewtheactuatorfromthevalvebody.
Removing the control cone set
Spindle
Dowelpin
Controlcone
Seal
Fig. 29: Replacing the control cone set
NOTE!
Important information for the problem-free and safe func-
tioning of the device!
Thesealingfaceofthecontrolconemustnotbedamaged.
Procedure:
→ Knockoutthedowelpinwithasuitablepinpunch.
Pin punch ø 4 mm,forspindlediameter10mm.
Pin punch ø 5 mm,forspindlediameter14mm.
→ Removecontrolcone.