Disassembly
CAUTION: After pressing the hub or bearing out of the steering knuckle, always replace the bearing assembly (outer ring, inner ring and mudguard rings).
Hub. Knock out the hub with the inner bearing ring (outer) from the steering knuckle using a suitable drift.
Hub bearing. The bearing is replaced only as an assembly. Its removal is carried out as follows. You press the inner bearing race from the hub using a suitable mandrel, then remove the outer mudguard ring.
Knock out the inner mudguard ring from the steering knuckle.
Remove the retaining pin.
You press the outer ring of the bearing.
Examination
Carefully inspect the hub and steering knuckle for cracks, including hidden ones.
Check the retaining ring for cracks or signs of wear. Replace the ring if necessary.
Assembly
1. Press the new hub bearing into the steering knuckle.
- Maximum pressing force 29 kN (3 tf)
WARNINGS:
- Do not apply force to the bearing inner ring.
- Do not apply grease to the contact surfaces of the bearing ring and steering knuckle.
Install the snap ring into the groove of the steering knuckle.
3. Pack the mudguard ring with general purpose grease.
4. Press in the outer mudguard ring.
- Maximum pressing force 10 kP (1 tf)
5. Press in the inner mudguard ring.
- Maximum pressing force 10 kN (1 tf)
6. Press the hub into the steering knuckle.
- Maximum pressing force 29 kN (3 tf)
Be careful not to damage the gas baffle rings.
7. Check the operation of the bearing. To do this, apply a force of 34.3-49.0 kN to the hub (3.5-5.0 tc), maintaining the same arrangement of the mandrels as when pressing in, and rotate the steering knuckle several times in both directions. The bearing should rotate without jamming or noise.