Use this tool to safely remove the spindle. The bearing and spindlethermal cycling can tighten up a bearing. Pound on the forcing screwdrive nut hidden inside the 7/8 socket with a 32-ounce ball-peen hammerto loosen the bearings. Pressure is applied with the forcing screw, thenthe hammer shocks the bearing enough to remove the forcing screw. If thehammer technique isn't used on extremely tight bearings, the calipermount used by the removal tool for anchoring will bend or breakdepending on the amount of pressure.