Samson 3730 Series Mounting And Operating Instructions page 33

lever together with the disk spring (1.2)
from the sensor shaft.
2. Screw the position sensor (20) onto the
mounting plate (21).
3. Depending on the actuator size and
rated valve travel, determine the re-
quired lever and position of the follower
pin (2) from the travel table on page 19.
The positioner is delivered with lever M
in pin position 35 on the sensor. If nec-
essary, remove the follower pin (2) from
its pin position and move it to the bore-
hole for the recommended pin position
and screw tight.
4. Place the lever (1) and disk spring (1.2)
on the sensor shaft.
Place the lever (1) in mid-position and
hold it in place. Screw on the nut (1.1).
20
21
Symbol
Marking
Fig. 12 · Mounting for Type 3277-5 Actuator (left) and Type 3277 Actuator (right)
Attachment to the control valve – Mounting parts and accessories
5. Place the follower clamp (3) on the actu-
6. Place the mounting plate (21) together
7. Mount cover (11) on the other side.
1
2
3
11
1.1
1.2
Signal pressure
9
Signal pressure
Actuator stem
extends retracts
ator stem, align and fasten it, making
sure that the fastening screw rests in the
groove of the actuator stem.
with the sensor onto the actuator yoke so
that the follower pin (2) rests on the top
of the follower clamp (3). It must rest on
it with spring force.
Screw tight the mounting plate (21) onto
the actuator yoke using both fixing
screws.
Make sure that the vent plug points
downwards when the control valve is in-
stalled to allow any condensed water
that collects to drain off.
Vent plug
1 Lever
1.1 Nut
1.2 Disk spring
2 Follower pin
3 Follower clamp
9 Connecting plate
11 Cover
20 Position sensor
21 Mounting plate
33
EB 8384-3 EN