32
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.
→ Usingasuitableopen-endwrench,placethewrenchaton
thepipe.
→ Unscrewtheactuatorfromthevalvebody.
Actuator
Nipple
Valvebody
Flatsforopen-
endwrench
Pilotairport
Exhaustairport
2
1
Fig. 25: Valve
Replace the control cone set
Spindle
Dowelpin
Controlcone
Seal
Fig. 26: Replacing the control cone set
NOTE!
Important information for the problem-free and safe functioning
of the device!
Thesealingfaceofthecontrolconemustnotbedamaged.
Procedure:
→ Knockoutdowelpinwithasuitablepinpunch.
Pin punch ø 4 mm,forspindlediameter10mm
Pin punch ø 5 mm,forspindlediameter14mm
→ Removecontrolcone.
→ Attachnewcontrolconetothespindle.
→ Alignboresofthecontrolconeandspindle.