Burkert Type 8791 - Manual (Page 41)

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Attachment and assembly
11.2.3. attaching mounting bracket
→
Attach mounting bracket
①
to the back of the positioner with hexagon bolts
⑨
, circlip
⑩
and washers
⑪
(see “Figure 17”).
The selection of the M8 thread used on the positioner depends on the size of the actuator.
→
To determine the correct position, hold the positioner with mounting bracket on the actuator.
The conical roller on the lever of the position sensor in the hoop must be able to run freely on the drive over
the entire stroke range.
At 50% stroke the lever position should be approximately horizontal (see chapter “11.2.4. Aligning lever
mechanism”).
①
⑨
⑩ ⑪
M8 thread
Figure 17: Attaching mounting bracket
attaching the positioner with mounting bracket for actuators with cast frame:
→
Attach mounting bracket to the cast frame with one or more hexagon bolts
⑧
, washers
⑪
and circlips
⑩
(see “Figure 18”).
8 10 11
8
10
11
Figure 18: Attach positioner with mounting bracket; for actuators with cast frame
english
Type 8791