Maintenance & Adjustment
196
D760.H03E-001.H1907
Adjustment of front wheel hub bearing (axle above 5T)
1. Tighten the lock nut to 200 N·m and rotate the hub 2-3 turns to fit the bearing
completely.
2. Tighten the lock nut to 200 N·m.
3. It's allowed to turn the lock nut for 30° back to insert the split pin and get the
correct hub bearing pretension force.
4. Rotate the hub 2-3 turns and the measured tangential force at hub bolt should be
20-55 N.
5. Insert the split pin for locking.
Adjustment of rear wheel hub bearing
1. Tighten the adjusting nut and rotate the
wheel so as to move the bearing to the
correct position.
2. Tighten the adjusting nut to 500 N·m or
more, and then loosen it by 1/4-1/6 turn.
3. At this moment, the wheel should rotate
freely without visible axial play or swing. Fit
lock plate and fastening screw.
CAUTION:
Align the lock plate screw with the adjusting nut to ensure the minimum
looseness of adjusting nut.
Maintenance of maintenance-free wheel hub
Please refer to the specific configuration of
the model purchased.
Conmet maintenance-free wheel hub
Check the maintenance period refer to
page 208
To the nearest Dongfeng Commercial Vehi-
cle Co., Ltd., Authorized technical service center
(station) for the following appearance inspec-
tion, no disassembly is allowed under the condi-
tion of non-fault:
1. Visual inspection
1). Check fasteners, hub caps, oil plug for
loose, damaged, or missing.
2). Check the hub cover, half axle flange,
filling plug and oil seal for leakage.
1. Wheel fastening bolts
2. Oil filling port
3. ABS gear ring (optional)