5-16 EB 8331-3 EN
Installation
Actuator board (12)
Fig.5-18: Inside view · Actuator with limit contacts
Actuators with limit contacts
1. Unscrew screws on housing cover and
take the cover off the actuator.
2. Move the actuator stem to the end posi-
tion depending on the fail-safe action
"actuator stem extends" or "actuator
stem retracts” (see the 'Operation' sec-
tion).
3. Unscrew fastening screws. Slide the actu-
ator board (12) from its guiding to the
right. Slightly lift the board and continue
pushing it further towards the cable en-
try.
4. Slide new actuator board into its guid-
ing. Make sure that the gears are prop-
erly engaged. Fasten the board using
screws.
The basic unit is not required for the version
with limit contacts.
Note
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