... worm reduction gearbox 1.widely used in turbines,shaft liners and axletrees 2.good resistance to wearing,with high precise WPA worm ... Whiteassembling motor of WPD reducer, it is necessary that proper amount of butterapplies to the worm shaft input hole and ... Notices of usage2.1Before using, please check carefully whether the reducer model, distance,ratio, input connecting method, output shaft structure ...