Astra HD8Ec Посібник - Сторінка 9

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ASTRA HD8Ec

DESCRIPTION

The rear axle is a double reduction type: the first reduction is

by means of the pinion - ring bevel gear unit and the second

is obtained through an epicyclic unit in the wheel hubs.

The differential housing, with the ring bevel gear , is supported

by two taper roller bearings that can be adjusted through two

threaded ring nuts.

The pinion is supported by two taper roller bearings and a

third straight roller bearing.

Figure 1

1. Coupling flange - 2.Oil seal - 3. Outer seal ring - 4. Front bearing - 5. Adjusting ring - 6. Screw - 7. Bevel pinion support -

8. Intermediate bearing - 9. Adjusting ring - 10. Rear bearing - 11. Adjusting ring nut - 12. Differential housing bearing -

13. Short pin - 14. Spider - 15. Planetary gear - 16. Crown wheel - 17. Cover - 18. Gear housing - 19. Cover - 20. Screw -

21. Screw - 22. Long pin - 23. Safety plate - 24. Engaging sleeve - 25. Sliding sleeve - 26. Shoulder washer - 27. Split ring -

28. Engaging fork - 29. Transmitter - 30. Spring - 31. Plug - 32. Differential housing - 33. Taper pinion - 34. Oil baffle -

SECTION 12.5

PICTORIAL CROSS SECTION OF THE DIFFERENTIAL

35. Lock nut

The bevel pinion unit is adjusted through adjusting rings that

are fitted between the the two taper roller bearings.

The axle is equipped with a pneumatically controlled device

to lock the differential.

The half shafts coming from the differential transmit the mo-

tion to the epicyclic gears.

REAR AXLE IN TANDEM

39381