Remove all existing linkage and push stem to down position.
Screw stem adaptor onto valve stem.
Stroke indicators are automatically repositioned to the maximum stroke when power is applied to actuator. It is permissible to install the NV actuator upright or horizontally. However, it is recommended that the valve stem not be installed facing downward. Allow 12 inches of clearance for removal of actuator and 6 inches for removal of cover. No special tools are needed for the installation.