1
2
3
4
6
5
9
10
7
8
11
12
02
Steer axle
5
Wheel hub - Removal and Dismantling
1 axle beam
2 stub axle
3 radial sealing ring
4 tapered roller bearing
5 wheel hub
6 roll pin
7 hub cap
8 nut
9 washer
10 tapered roller bearing
11 wheel bolt
12 ball seat nut
- Slacken ball seat nuts (12) and remove
wheel.
- Pull hub cap (7) from wheel.
- Slacken nut (8)
- Remove washer (9) with roll pin (6).
- Withdraw the hub.
- Remove radial sealing ring (3) then remove
tapered roller bearings (4) and (10) from hub.
- If necessary, drive out of wheel hub outer
races of tapered roller bearings (4) and (10).
Wheel hub - Reassembling and Installation
- Apply a smear of grease to the sealing lips of
the radial sealing ring.
- Before re-assembling the hub, repack with
grease F: cavity between inner race and
bearing cage of tapered roller bearings, and
the bearing spaces identified by an ‘x’ on the
drawing.
- To reassemble the hubs, reverse the procedure.
- Tighten nut (8) while rotating the wheel hub.
Torque loading:
M
A
= 145 Nm
Workshop Manual 7052/56/74-76, 7054/58/77-79
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