Burkert 8690 Manuel D'utilisation page 16

2. i nstallation of the cover ring and the pneumatic control unit
Fastening screws
Cover ring
max. 1.5 Nm
Fig. 12: Installation of the cover ring and the Pneumatic Control
Unit, series 20xx
→
Pull the cover 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 ports of the Pneumatic Control Unit
and those of the actuator are situated preferably vertically one
above the other (see "Fig. 12"). If they are positioned differ-
ently, longer hoses may be required other than those supplied
in the accessory kit.
16
english
Type 8690
Installation
note!
too high torque when screwing in the fastening screw does
not ensure degree of protection ip65 / ip67.
▶ The fastening screws may be tightened to a maximum torque of
1.5 Nm only.
→
Attach the Pneumatic Control Unit to the actuator using the two
side fastening screws. In doing so, tighten the fastening screws
hand-tight only (max. torque: 1.5 Nm).
3. installation of the pneumatic connection on the actuator
Pilot air outlet 2
Pilot air outlet 2
Upper pilot air port
Lower pilot air port
Fig. 13: Installation of the pneumatic connection, 20xx series
1
2