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Masoneilan SVI II AP Digital Positioner Quick Start Guide | 36
4. Move the valve to its closed position. For air to extend, this
requires using air pressure in the actuator to fully stroke the
actuator. For air to retract, actuators vent the actuator of air
pressure.
5. Thread the take-off rod to the actuator stem connector.
pointer located on the coupling is correctly positioned.
6. Attach the right hand threaded rod end to the SVI II AP
lever using a 1
⁄
4 - 20 x 1" cap screw and nut as shown. The
lever hole position to be used depends upon the specific
valve stroke. Refer to Figure
Reciprocating Valve Linkage Selection, Table
7. Thread the right hand lock nut and turnbuckle onto the right
hand rod end approximately two turns. Turnbuckle length is
a function of actuator size. (Refer to Table
8. Secure the magnet housing assembly, including the lever
and right hand rod end, to the bracket using four M5 X 10
mm flat head screws.
9. Attach the left hand threaded rod end to the take-off rod
with 1
⁄
4 - 20 UNC nut and thread the left hand lock nut onto
the rod end.
Figure 16
Reciprocating Linkage
Содержание Masoneilan SVI II AP Series
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