VA-8052 Technical Bulletin
3
plate must not contact the
upper stop and the drive
coupler must not contact
the bottom surface of the
actuator yoke (see Fig. 1).
Installation of VA-8052-1 on
3/4 in. Stroke 2-Way, Push
Down to Close (PDC) Valves
1.
Unpack the VA-8052
Actuator and insure that the
feedback potentiometer
plunger is on top of the
coupler arm.
2.
Install the valve packing
that is provided according
to the instructions included
with it.
3.
Thread the 1/4 in. Palnut,
open side down, onto the
valve stem and all the way
to the end of the threads.
4.
Loosely install the actuator
by sliding the actuator yoke
between the spring plate
and valve centerpiece
surface. Finger tighten the
spring plate to hold the
actuator in place (see Fig. 1).
