1. Before installation, make the valve in the fully closed position, the keyway of the output shaft of the electric device and the second limit screw are mutually positioned, and then put the valve stem and the key into the hole of the output shaft of the electric device, and then pass the bolts. Fix the flange of the valve with the connecting plate of the electric device.
2. Screw the limit screw in the closed position until the limit screw tops the limit block in the electric device box, and then select 1 to 2 turns, and then tighten the screw nut on the limit screw.
3. Turn the hand wheel to open the valve to the "full open" position, and adjust the position limit screw according to the above method.
