Samson 3277-5 - Page 27

EB 8310-1 EN 5-3
Installation
11. Align the travel indicator scale (84) with
the tip of the stem connector clamp.
b) Attachment to Type3510
Micro-ow 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.
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).
2
84
10
A26/2
7
9
8
A8
A7
S
2 Bonnet/ange
8 Threaded bushing
9 Stem connector nut
10 Lock nut
84 Travel indicator
scale
A7 Actuator stem
A8 Ring nut
A26/27 Stem connector
clamps
S Signal pressure
connection
Fig.5-1: Type3271 Pneumatic
Actuator on a
Series240 Valve