28
Top
Control
ON/OFF
english
Fig. 2: Installation of the TopControl
See-through cover
Position display
(signal component)
Brass guide
piece SW 27
Upper cam
Top
Control
ON/OFF
Type 8633
Switch spindle
Threaded part
O-ring
Valve drive
3.2.2 Procedure (Initial installation of the unit)
Preconditions: The valve with its drive, the correct accessory set (see data
sheet) and the Top
Control
ON/OFF must be available.
➔
Screw off the see-through cover of the position display on the valve drive.
➔
Inside the valve drive, screw off the orange/yellow signal component of the
position display using an Allen key.
➔
Screw the switch spindle from the accessory set ( switch spindle with
brass guide piece) together with the plastic component on the piston rod of
the valve drive by hand, without fully tightening it at the moment.
Threaded pin
SW2
Lower cam