Burkert Type 8791 - Manual (Page 22)

22
Attachment and assembly
8.3.1. installation
Warning!
risk of injury from improper installation!
• Installation may be carried out by authorised technicians only
and with the appropriate tools!
risk of injury from unintentional activation of the system and
an uncontrolled restart!
• Secure system from unintentional activation.
• Following assembly, ensure a controlled restart.
procedure:
→
Specify the attachment position of the positioner:
- parallel to the actuator or
- rotated by 90° to the actuator.
→
Determine home position and direction of rotation of the actuator.
anti-twist safeguard:
note the flat side of the axle!
One of the setscrews must be situated on the flat side of the
axle as an anti-twist safeguard (see “Fig. 12”).
→
Connect adapter
①
to the axle of the positioner and secure with
2 setscrews.
→
Secure setscrews with self-locking nuts to prevent them from
working loose.
angular range of the position sensor:
The maximum angular range of the position sensor is 180°.
The axle of the positioner may be moved within this range
only.
90°
Ideal position for the angular range of the positioner = 90°
(min. 30° / max. 180°)
The rotational movement of the
rotary actuator must be within
the position sensor rotational
range of 180°.
Flattened axle
180°
Maximum
rotational range
Fig. 12: Angular range / anti-twist safeguard
english
Type 8791