Smart Positioner
YT-3100
Product Manual
Ver. 1.19
20
8)
After installing the positioner, operate the valve from 0 % to 100 % stroke by using direct air to the
actuator. On both 0 % and 100 %, the feedback lever should not touch the lever stopper, which
is located on the backside of the positioner. If the feedback lever touches the stopper, the
positioner should be installed further away from the center of the actuator.
Fig. 3-8: Feedback lever should not touch lever stopper on 0 % ~ 100 % valve stroke.
9)
After the installation, tighten all of the bolts on the bracket and the connection bar.
