Samson 3277-5 Mounting And Operating Instructions page 55

b) Type 3510 Micro-flow Valve
1. Loosen the lock nut (A27.3).
2. 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.
Use a suitable tool to hold the stem con-
nector nut (A27.1) and bearing sleeve
(A27.2) stationary and unscrew them.
Disconnect the signal pressure.
In the "actuator stem retracts" version:
use a suitable tool to hold the stem con-
A8
A7
A27.3
A27.1
A27.2
EB 8310-1 EN
nector nut (A27.1) and bearing sleeve
(A27.2) stationary and unscrew them.
3. Loosen the ring nut (A8).
4. Lift the actuator off the valve.
5. Loosely thread the lock nut (A27.3) and
stem connector nut (A27.1) on the actua-
tor.
Note
The bearing sleeve (A27.2) remains on the
valve.
6. Fasten ring nut (A8) on the actuator.
3
5
84
A2
A7
A8
A27.1 Stem connector nut
A27.2 Bearing sleeve (bot-
A27.3 Lock nut
A2
3
Fig. 11-2: Type 3277 Pneumatic
84
5
Removal
Yoke
Plug stem with plug
Travel indicator scale
Bottom diaphragm
case
Actuator stem
Ring nut
tom part of the stem
connector)
Actuator on a
Type 3510 Micro-flow
Valve
11-3