Rear axle and final drive (DESCRIPTION Lubrication): Description and operation

DESCRIPTION Lubrication

The welded steel rear axle casing houses a separate The differential is lubricated with oil and the hub spiral bevel type differential unit, which is off set to the bearings with grease. The hub bearings are fitted with right of the vehicle centre line. The differential unit inner and outer seals. The outer seals prevent the drives the rear wheels via the axle shafts and fully differential oil mixing with the hub grease and the floating hubs which are mounted on tapered roller inner seals prevent dirt ingress into the hub. bearings. Ventilation

Ventilation of the hub bearings is through the outer oil seals and the differential ventilation pipe, which terminates at a high level.

Rear axle hub

1. Axle casing
2. Ventilation pipe
3. Axle shaft
4. Wheel studs and hub 10. Brake disc
5. Wheel bearing stub axle 11. Sensing ring - road speed
6. Wheel bearings (2)
7. Inner hub seal
8. Outer hub/axle shaft seal
9. Hub lock plate, thrust washer and nuts (2)