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2. Mount the SVI II AP reciprocating mounting bracket to the actuator using two (2)
5
⁄
16 - 18 UNC cap screws.The mounting location of the bracket depends on the
size and stroke of the actuator. Refer to Figure 11 and Figure 4 on page
28.
Figure 11
Reciprocating Valve Mounting Bracket
3. Select mounting hole A, B, C or D for the stroke of the valve. For example, hole B is
shown in Figure 13 on page
27 for a size 10 actuator with 1.0" stroke. Unless
otherwise specified, the SVI II AP mounting assumes that the actuator is in the
normal upright position. The mounting hole in the slotted opening of the mounting
bracket must be left when facing the actuator, with the actuator in the upright
position.
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. Refer to Figure 12 on
page
27. Ensure that the travel 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 13 on page
27 and the Reciprocating Valve
Linkage Selection, Table
4 on page
28.
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
4 on page
28.)
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.
Содержание SVI II AP
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