Maintenance & Adjustment
198
D760.H03E-001.H1907
Lift the axle and rotate the tire in the positive and negative directions by hand. If
the tire is not smooth and there is obvious noise, it indicates that the bearing is dam-
aged and needs to be replaced. If the noise increases with the increase of tire rotation
speed, it indicates that the bearing has been worn and needs to be replaced;
3. Axial clearance test
Fix the magnetic seat indicator in the relative fixed position of the axle housing,
the pointer on the end surface of the brake disc or brake drum (or clean and smooth
processing surface), adjust the indicator to the zero position, push and pull the wheel
end repeatedly, and measure the axial clearance of the hub bearing; Axial clearance
less than 0.2mm is normal; If the axial clearance is greater than 0.2mm, the bearing
shall be replaced.
Caution for disassemble and assemble:
1.After the lock nut in the center of the shaft head is unscrewed, the hub
assembly shall be pulled out straight from the axle shaft tube and
placed in a dry place with good sanitation. Never remove the clamps/
oil seals and other parts; The O-ring at the clip groove of the inner ring
of the inner bearing shall not be lost during disassembly. If it is
accidentally dropped out, it can be manually put into the clip groove
after cleaning.
2.After axle shaft tube is cleaned and wiped clean, lightly coated with
lubricating oil, and the hub assembly is pushed straight into the axle
shaft tube by spreader until it reaches the axle shoulder; Note that the
O-ring at the clip groove of the inner ring of the inner bearing shall not
fall off. If it does, please timely reset it.
3.Apply lubricating oil to the thread and compression end surface of the
locking nut, and pretighten with the fix-torque tool. In the
pretightening process, keep slowly rotating the wheel hub until the
pretightening torque is fixed; Then rotate the hub again for about 10
rounds, and check the locking torque;
Removal and Refitting of Spare Wheel
Spare wheel hook
1. Unscrew the nut fixing the spare tire and
take it off for use.
2. Install the spare tire in reverse sequence.
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