... safety management, and prevent the work related injuries or deaths, the earth leakage protector must be installed ... , and install them onto the axle I, II or axle III, IV, and then fasten the round nuts ... each mould has been marked with type. 3.Start the switch after installation, then make the motor rotates clockwisely. ... 't fasten the lead screw in a hurry, or it will cause the pipe to be flattened. ...