Samson 3277-5 Mounting And Operating Instructions page 27

11. Align the travel indicator scale (84) with
the tip of the stem connector clamp.
b) Attachment to Type 3510
Micro-flow Valve
1. Remove the ring nut (A8) from the actua-
tor.
2. Loosely thread the lock nut (A27.3) and
stem connector nut (A27.1) upward on
the actuator.
3. Place the actuator on the yoke (3).
4. Slide the ring nut (A8) over the stem con-
nector nut (A27.1) and the lock nut
(A27.3) onto the actuator stem (A7) and
screw tight. Observe tightening torques.
EB 8310-1 EN
2
8
9
10
S
84
A8
A7
A7
A8
2
84
A26/27
A26/27
S
9
10
8
Fig. 5-1: Type 3271 Pneumatic
5. Connect the signal pressure. See sec-
tion 5.2.2.
6. In the "actuator stem extends" version:
to retract the actuator stem, apply a sig-
nal pressure corresponding to approx.
50 % of the bench range to the actuator.
Fasten tight the stem connector nut
(A27.1) at the bottom end of the actua-
tor stem (A7) to the bearing sleeve
(A27.2) on the plug stem (5). Disconnect
the signal pressure.
In the "actuator stem retracts" version:
fasten tight the stem connector nut
(A27.1) at the bottom end of the actua-
tor stem (A7) to the bearing sleeve
(A27.2) on the plug stem (5).
Installation
Bonnet/flange
Threaded bushing
Stem connector nut
Lock nut
Travel indicator
scale
Actuator stem
Ring nut
Stem connector
clamps
Signal pressure
connection
Actuator on a
Series 240 Valve
5-3