Samson 4763 - Positioner Attachment and Connections

5-4 EB 8359-2 EN
Installation
5.3 Positioner attachment
5.3.1 Attachment to valve
with cast yoke
Required accessories:
mounting kit 1400-5745
Fig.5-6
Î Fasten the plate (20) to the stem connec-
tor (22) of the valve using the screws
(21).
Î Unscrew the positioner cover and secure
the positioner to the valve yoke using the
fastening screw (15).
The O-ring included in the mounting kit
is not required.
Make sure that the pin (2) is inserted
through the wire strap and, as a result,
clamped against the plate (20).
Make sure the location of the lever (1)
and the plate (20), "lever at top of plate"
or "lever at bottom of plate" is correct
(see Fig.5-2 to Fig.5-5).
5.3.2 Attachment to valve
with rod-type yoke
Required accessories:
mounting kits: 1400-5745 and 1400-5352
Fig.5-7
Î Fasten the plate (20), off-centered, to the
travel indicator (24) of the plug stem (23)
using the screws (21).
Î Place both the support (28) and the
clamping plate (26) on the rod (27) and
lightly fasten. Move the support until both
the center of the plate (20) and the sup-
port (28) are aligned when the valve is
at half of the valve travel.
Î Fasten tight the support and the clamp-
ing plate.
3. Mount the positioner to the support using
the fastening screw (15).
Make sure that the pin (2) is inserted
through the wire strap and, as a result,
clamped against the plate (20).
Make sure the location of the lever (1)
and the plate (20), "lever at top of plate"
or "lever at bottom of plate" is correct
(see Fig.5-2 to Fig.5-5).
5.4 Pneumatic connection
Risk of injury by possible movement of the
actuator stem after connecting the signal
pressure.
Î Do not touch or block the actuator stem.
The pneumatic connections are optionally
designed as a bore with ¼NPT or
ISO288/1-G¼ thread. Customary ttings
for metal or copper tubing or plastic hoses
can be used.
15 1202 2.1212223
1 Lever
2 Pin
2.1 Nut
15 Fastening screw
20 Plate
21 Screw
22 Stem connector
23 Plug stem
24 Travel indicator
26 Clamping plate
27 Rod (pillar)
28 Support
Fig.5-6: Attachment to valves with cast yokes (NAMUR rib)
15 1282726202.1 2212423
Fig.5-7: Attachment to valves with rod-type yokes
WARNING
!