Burkert 8691 - Page 20

20
Mechanical installation
2. Attaching the form seal
→ Pull the form seal onto the actuator cover (smaller diameter points upwards).
→ Check that the O-rings are correctly positioned in the pilot air ports.
Before installing the device, remove the collets in the pilot air ports.
Pilot air ports
without collets
Form seal
Figure 9: Attaching the form seal
3. Installing the device
NOTE
DamageorfunctionaloutageofthePCB
▶ Ensurethatthepuckliesatintheguiderail.
→ Align the puck and device so that:
1. The puck rests in the guide rail of the device (see Fig. below).
2. Find the connection pieces of the device into the pilot air ports of the actuator (see second Fig.
below).
Guide rail
Puck
Figure 10: Aligning the puck
→ Push the device without turning it onto the actuator until no gap is visible on the form seal.
NOTE
Damageormalfunctionduetoingressofdirtormoisture.
To observe the degree of protection IP65 or IP67:
▶ Tighten fastening screws only with a tightening torque of max. 1.5 Nm.
→ Attach device to the actuator using the two side fastening screws. In doing so, tighten the screws only
hand-tight (max. torque: 1.5 Nm).
english
Type 8691, Rev. 2