7. getting ready for a tile, polished body main bearings, main bearing cap, and ensure that hole there is no Burr, Burr, sharp and rust, wash with gasoline, dry clean.
7 watts of preparation before pressing, grinding body main bearing, main bearing caps, and to ensure the bore surface is not Xuyou Fei, burrs, acute and rust, clean with gasoline, dry cloth.
7 pressure tile preparation, grinding the bearing cover the main bearing, main shaft and ensure that the surface of the inner hole, no flash, burrs, sharp and rust, use gasoline cleaning, dry clean.