REV BJune 2005 Section 4 • Repair ProceduresPart No. 65162 TMZ-50/30 4 - 6911-2Hub and BearingsHow to Remove the Hub andBearings1 Loosen the wheel lug nuts. Do not removethem.2 Lower the outriggers and adjust to level themachine and raise the wheels off the ground.3 Remove the lug nuts, then remove the tire andwheel assembly.4 Remove the dust cap.5 Remove the cotter pin, then the castle nut.6 Pull the hub off of the spindle. The washer andouter bearing should fall loose from the hub.7 Place the hub on a flat surface and gently prythe bearing seal out of the hub. Remove therear bearing.When replacing a wheel bearing,both the inner and outer bearings,including the pressed-in races,must be replaced.8 Pack both bearings with clean, fresh grease.9 Place the large inner bearing into the rear of thehub.10 Install a new bearing grease seal into the hubby pressing it evenly into the hub until it is flush.Always replace the bearing greaseseal when removing the hub.11 Slide the hub onto the spindle.Component damage hazard. Donot apply excessive force ordamage to the lip of the seal mayoccur.12 Place the outer bearing into the hub.13 Install the washer and castle nut.14 Tighten the spindle nut until resistance is feltwhen rotating the hub by hand.15 Loosen the castle nut until the first slot on thecastle nut lines up with the hole in the spindle.Do not loosen the castle nut morethan 1/ 4 turn.16 Install a new cotter pin. Bend the cotter pinto lock it in place.17 Install the dust cap.18 Install the tire and wheel assembly. Torque thewheel lug nuts or lug bolts to specification.Refer to Section 2, Specifications.AXLE800-610-4101ActionRental.com
