Pneumatic Positioner
YT-1200 series
Product Manual
Ver. 1.18
27
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 linear lever stopper should not touch the stopping bosses
of positioner, which is located on the backside of the positioner. If the linear lever stopper touches
the stopping bosses, the positioner should be installed further away from center of the actuator.
Fig. 4-9: Linear lever stopper should not touch stopping bosses of positioner on 0 % ~ 100 % valve stroke.
9)
After the installation, tighten all of the bolts or nuts on the bracket and the connection bar.
