Remove the shaft seal, bearing lock mother, force to light, to prevent damage to the threaded buckle; remove the bearing box and the pump body bolts, remove the end cap, and then you can pull the screw, the screw to use special tools, the three or two Screw out at the same time. Assembly and adjustment, the screw end and the end cap contact parts, screw and bearing sleeve, before assembly to add a little lubricating oil to prevent hand brake in the assembly process, these parts dry friction; fastening the outer cover, bearing box and Pump bolts, to symmetrical operation, forced to be uniform, while the edge of the disc drive screw, when the hard drive after fastening, to loose the bolts to re-tighten.