... shockproof. 1.2 Theconnecting shaft of prime mover, reducer and operation device must be coaxialinstallation. 1.3 Thediameter ... Notices of usage2.1Before using, please check carefully whether the reducer model, distance,ratio, input connecting method, output shaft structure ... limit, ifoil temperature no more goes up, please let reducer continue running) High-strength Hard Tooth Surface Worm Reduction ...