Samson 3271 Mounting And Operating Instructions page 28

Installation
b) Valve version with anti-rota-
tion fixture
1. Firmly press the plug together with the
plug stem into the seat ring.
2. Anti-rotation fixture not yet mounted
onto the valve:
Follow the instructions described under
'Mounting the external anti-rotation fix-
ture' in the associated valve documenta-
tion up to the point where the actuator is
to be mounted.
Anti-rotation fixture already mounted
onto the valve:
Slightly loosen the screws (303) and turn
the stem (9) inside the stem connector
clamps (301) by a few turns to move it
downward.
3. Remove the clamps of the stem connector
(A26) and the ring nut (A8) from the ac-
tuator.
4. Slide the ring nut over the plug stem.
5. Place the actuator onto the valve bonnet
(2) and secure it with the ring nut.
6. Connect the signal pressure. See sec-
tion 5.2.2.
7. Continue following the instructions de-
scribed under 'Mounting the external an-
ti-rotation fixture' in the associated valve
documentation from the point where the
stem (9) is threaded upwards until the
head of the stem rests on the extended
actuator stem.
8. Align and fasten the travel indicator
scale as described in the 'Mounting the
5-4
actuator onto the valve' section in the as-
sociated valve documentation.
EB 8310-4 EN