... downand shockproof.1.2 Theconnecting shaft of prime mover, reducer and operation device must be coaxialinstallation. 1.3 Thediameter ... of hanging shaft.1.5 Whiteassembling motor of WPD reducer, it is necessary that proper amount of butterapplies to ... whether the reducer model, distance,ratio, input connecting method, output shaft structure, input and output shaftdirection and revolving direction accord ...