Burkert Type 8690 - Manual (Page 19)

19
Installation
Guide element
O-ring
Plastic part of the
switch spindle
Switch cam
Switch spindle
10 mm
Spindle (actuator)
Fig. 11: 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. 11”).
1)
journal Ø: 3 mm; journal gap: 23.5 mm
2. installation of the masking ring and
the pneumatic control unit:
Masking ring
Fastening screws
max. 0.5 Nm
Fig. 12: Installation of the masking ring and the Pneumatic Control
Unit, series 20xx
→
Pull the masking ring onto the actuator cover
(for actuator sizes ∅ 50 and ∅ 63 only).
→
Push the Pneumatic Control Unit onto the actuator.
→
Press the Pneumatic Control Unit all the way down as far as the
actuator and turn it into the required position.
Ensure that the pneumatic connections of the Pneumatic
Control Unit and those of the actuator are situated pref-
erably vertically one above the other (see “Fig. 13”).
If they are positioned differently, longer hoses may be
required other than those supplied in the accessory kit.
english
Type 8690 Ex