Prepare to work normally without screws;;;; < 1 adjusting shim method: & nbsp />  & nbsp & nbsp; the bearing end cover and the bearing seat between the end faces are filled with a set of soft material (mild steel sheet or elastic paper gasket adjustment, first on the gasket is arranged on the bearing end cover, a uniformly tighten the bearing end cover, a surface with manual rotation of the shaft, until the bearing rolling body and the outer ring contact axial internal clearance so far, then measure the bearing end cover and the bearing seat between the end face of the gap, and bearing in the need of axial clearance; this is required for filling gasket thickness, although the gasket filled in the bearing end cover and the bearing seat face, then tighten the screws. />