21
Attachment and assembly
Attaching the positioner with mounting bracket for actuators
with columnar yoke:
→
Attach mounting bracket to the columnar yoke with the U-bolt
⑦
, washers
⑪
, circlips
⑩
and hexagon nuts
21
(see “Fig.
21
10
11
7
Fig. 12:
Attach positioner with mounting bracket; for actuators with
columnar yoke
8.2.3
Aligning lever mechanism
The lever mechanism cannot be correctly aligned
until the device has been connected electrically and
pneumatically.
→
Move the actuator in manual mode to half stroke (according
to the scale on the actuator).
→
Adjust the height of the positioner until the lever is horizontal.
→
Fix the positioner in this position on the actuator.
8.3
Attachment to a continuous valve with
rotary actuator
The axle of the position sensor integrated in the positioner is
connected directly to the axle of the rotary actuator.
The assembly bridge can be purchased from Bürkert as an
accessory by quoting the identification number 770294.
The attachment kit for the rotary actuators can be
purchased from Bürkert as an accessory by quoting the
identification number 787338.
The associated parts are listed in the “Tab. 9: Mounting kit
.
Part no. Quantity
Name
1
1
Adapter
2
2
Setscrew DIN 913 M4 x 10
3
4
Cheese-head screw DIN 933 M6 x 12
4
4
Circlip B6
5
2
Hexagon nut DIN 985, M4
Tab. 9:
Mounting kit on rotary actuator
Type 8791 REV.2
english
Содержание 323219
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