Samson 3374 Mounting And Operation Instructions page 31

19
Actuator stem re-
tracted
Fig. 5-13: Contact cams and cam holder
1 Intermediate gear
18 Adjustment gear
19 Contact cam
20 Cam holder
21 Contact cam
Actuators with resistance transmitters
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).
EB 8331-3 EN
20 19
Actuator stem
extended
18 21
When actuator stem retracted
18
When actuator stem extended
Fig. 5-14: Contact cam unit
3. Remove serrated ring (6) and shim (10)
from spindle 2 (11.2). See Fig. 5-15.
4. Continue as described in item 5-9 on
page 8.
Note
The basic unit is not required for the version
with resistance transmitter.
Installation
1
21 1
5-11