Samson 3738-20, Mounting And Operating Instructions

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28 EB 8390 EN
Attachment
1. Attachment to rotary actuators with 20
or 30 mm shaft height:
Place the spacers (11) on the inner holes
of the actuator.
Attachment to rotary actuators with
50 mm shaft height:
Place the distance pieces (5) on the rota-
ry actuator.
Attachment to rotary actuators with
80 mm shaft height:
a. Screw pins (16) into the actuator.
b. Fasten adapter (14) with anti-rotation
fixture (25) in the groove of the actu -
ator shaft.
c. Bend the flap on the anti-rotation fix -
ture (15) upward.
d. Fasten intermediate plate (13) to the
pins (16) using the screws (12).
Note concerning electronic limit
switches with integrated solenoid
valve:
Place the distance piece including in-
serted molded seal (4) over the air
ducts of the actuator.
2. Fasten the mounting platform (2) on the
rotary actuator:
− Version with integrated solenoid
valve: screws 10a and 10b
− Version for external solenoid valve:
screws 10a
Note concerning electronic limit
switches with integrated solenoid
valve:
Fasten the mounting platform (2),
making sure that the air ducts located
on the rotary actuator and the
mounting platform are properly
aligned.
3. Attachment to rotary actuators with
20 mm shaft height:
Place the adapter (7) and indicator
wheel (8) one after the other onto the ac-
tuator shaft.
Attachment to rotary actuators with 30,
50 or 80 mm shaft height:
Place the indicator wheel (8) onto the ac-
tuator shaft.
4. Insert plate (9) into indicator wheel (8).
NOTICE
Do not exceed the maximum torque
of 8 Nm when fastening the screw
with magnet (6).
5. Fasten the screw with magnet (6) onto
the actuator shaft.
6. Bend the two flaps on the plate (9) to -
wards the width flats of the screw with
magnet (6).
7. Place the electronic limit switch on the
mounting platform (2) as shown in
Fig. 11 and fasten it using the two screws
mounted on the device.
8. Electronic limit switch with integrated so-
lenoid valve: connect supply air to supply
air port (SUPPLY, 2.1).
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