Specifications

75
(4) Rear wheel bearing pre-load adjustment
a. As shown in Fig5.7, fill up the chamber formed by wheel hubs, wheel hub
bearing and wheel hub covers with lubricating grease. Coat the lips of the oil seals
with lubricating grease.
b. Press the hub bearing into the hub and fit the hub on the knuckle shaft.
c. Fit a flat washer and tighten a castle nut with torque of 206～235N.m and
loosen it and then tighten it again with torque of 9.8N.m.
d. To ensure firm installation of the hub, slightly knock at it with a wooden hammer
and in the meantime, rotate the hub for 3～4 turns.
e. Tighten the castle nut and align one of its notches with a hole drilled in the
steering knuckle.
f. Again slightly knock at the hub with a wooden hammer and in this time, rotate
manually the hub for 3～4 turns to ensure its smooth rotation with a specified torque of
2.94～7.8N.m.
g. If the torque value necessary to rotate the hub is more than the specified one
above-mentioned, screw out the castle nut for 1/6 turn and measure the torque value
then.
h. When the torque value measured is up to the specified one, lock the castle nut
with a cotter pin.
Fig5.7 Pre-load adjustment