Burkert Type 8681 Manual do Utilizador descarregar pdf (Página 25)

Installation

Check the secure ﬁt of the sealing rings (in the upper and lower grooves). →

Mount the control head on the hub ﬂange (seamlessly 360° rotatable). →

Secure control head with the two locking screws (shoulder screws M5) in the middle groove of the hub ﬂange →

to prevent pulling off from the hub ﬂange – tightening torque: max. 3.2 Nm (see Fig. 7: Dimensional diagram

of the control head - process valve adaptation and 7.2.3. Realignment of the Control Head).

7.2.3. Realignment of the Control Head

If necessary, the control head can be realigned, in particular if properly accessible installation of the pneumatic supply

lines is not possible due to spatial conditions. This might also be required for operational aspects (accessibility of

the manual control) and because of electrical connection possibilities.

Procedure:

Loosen the locking screws (shoulder screws M5) slightly until the underside of the screw head is ﬂush with

→

the auxiliary surface of the housing.

The locking screw has

been loosened sufﬁciently

if the lower side of the

screw head is ﬂush with

the auxiliary surface of the

housing.

The locking screw is sufﬁciently

tightened when the upper side of

the screw head is ﬂush with the

auxiliary surface of the housing.

Tightening torque: max. 3.2 Nm

Rotate the control head until the desired alignment has been achieved. →

Secure the control head with locking screws again until the upper side of the screw head is ﬂush with the →

auxiliary surface of the housing. The locking screws have no sealing function. The control head is not ﬁxed in

place by the locking screws; it is merely protected against being pulled off the hub ﬂange.

Assembly of the Pneumatic and Electrical Connections7.2.4.

Pneumatic Installation

See chapter 9. Pneumatic Installation

Electrical Installation

24 V DC: See chapter 10. 24 V DC - Design,

AS Interface: See chapter 11. AS Interface - Design

DeviceNet: See chapter 12. DeviceNet - Design

120 V AC: See chapter 13. 120 V AC - Design

Recommended Auxiliary Materials7.2.5.

Silicone grease Paraliq GTE 703 for easy lubrication of the EPDM seals.

english

Control Head Type 8681

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Burkert Type 8681 Manual do Utilizador Página 25