Burkert Type 8690 - Manual (Page 15)

15
Installation
7.3 installation of the pneumatic
control unit Type 8690 on
process valves of series 20xx
procedure:
1. install switch spindle
Transparent cap
Position indicator
Actuator
Fig. 9: Installation of the switch spindle (1), series 20xx
→
Unscrew the transparent cap on the actuator.
→
Using a hexagon socket key, unscrew the orange/yellow position
indicator from the inside of the actuator.
→
Press the O-ring downwards into the cover of the actuator (see
“Fig. 10”).
Guide element
O-ring
Plastic part of the
switch spindle
Switch cam
Switch spindle
10 mm
Spindle (actuator)
Fig. 10: Installation of the switch spindle (2), series 20xx
→
Manually screw the switch spindle (and the plugged-on guide
element) together with the plastic part onto the spindle of the
actuator, but do not tighten spindle yet.
→
Tighten the guide element with a face wrench 1) into the actuator
cover (torque: 8.0 Nm).
→
Tighten the switch spindle on the spindle of the actuator. To do
this, there is a slot on the upper side (torque: 1.0 Nm).
→
Position the switch cam on the switch spindle so that the distance
between the switch cam and top of the spindle is 10 mm (see “Fig.
10”).
1)
journal Ø: 3 mm; journal gap: 23.5 mm
english
Type 8690