DAF CF65, CF75, CF85 Series . Manual - part 1033

©

 200424

1-1

General

SINGLE REAR AXLE 1354

ΧΦ65/75/85 series

8

5

1. GENERAL

1.1 DESCRIPTION

The reduction in the differential is only very 

limited. That is why a single-reduction differential 

can be applied with a pinion which has a relatively 

large diameter, creating a relatively favourable 

load.

The load for the satellite gears, planet gear and 

axle shafts is low.

Due to this low load the crown wheel and pinion 

could be equipped with a helical toothing instead 

of a hypoid bevelled gear.

The fitting dimension of the pinion is adjusted 

using shims, the bevel gear-to-pinion backlash is 

adjusted using adjusting nuts.

The pinion is supported on two bevel roller 

bearings. The bearing pre-load of the bevel roller 

bearings is adjusted using spacers which are 

positioned between the inner bearing race of the 

front bevel roller bearing and the shoulder of the 

pinion.

The satellite-gear housing is supported on bevel 

roller bearings.

The pre-load of these bearings is adjusted using 

adjusting nuts.

SINGLE REAR AXLE 1354

1-2

©

 200424

General

5

ΧΦ65/75/85 series

8

Differential lock
The differential is equipped with a variable 

differential lock.

The satellite-gear housing flange is fitted with 

radial toothing at the right. The left side of the 

selector sleeve is equipped with similar toothing. 

This selector sleeve is also equipped with 

keyways which fit into the keyways in the right 

axle shaft. The left axle-shaft journal is also 

equipped with keyways which fit into the internal 

keyways of the planet wheel. The selector sleeve 

(9) can be slid over the axle shaft using a fork (6). 

This hinged fork is suspended from the axle (5) 

fitted to the axle housing. The fork is operated via 

the control rod which is activated by the engaging 

cylinder (1). The connection between fork and 

selector sleeve is composed of two sliding blocks 

(7) which fit into a groove of the selector sleeve 

(9). A spring clip ensures that the selector sleeve 

and sliding blocks do not fall into the axle 

housing, once the right axle shaft has been 

removed. Air is admitted to and bled from the 

engaging cylinder via a pneumatic valve which is 

operated by a switch on the dashboard.

Once the engaging cylinder is pressurised, the 

selector sleeve will move to the left. 

Subsequently the toothing of the selector sleeve 

will engage the toothing of the satellite-gear 

housing.

This will create a rigid connection from the 

satellite-gear housing via the selector sleeve to 

the right axle shaft. As a consequence, the 

remaining parts of the differential, such as the 

planet wheels and satellite gears, can no longer 

turn in relation to the satellite-gear housing. The 

differential is now locked and both the left and the 

right axle shafts are loaded with 50% of the 

torque. If the engaging cylinder is bled using the 

pneumatic switch on the dashboard, a spring in 

the engaging cylinder will deactivate the lock.

1

5

2

7

8

A800021

6

9

3

4

©

 200424

1-3

General

SINGLE REAR AXLE 1354

ΧΦ65/75/85 series

8

5

1.2 OVERVIEW DRAWING, WHEEL HUB

21

22

26

20

27

34

23

24

25

15

14

12

5

39

8

37

13

36

35

38

32

28

29

33

31

33

29

1

9

46

4

43

44

45

11

10

7

3

A8 00 349

6

47

30

19

17

18

16

2

40

41-42

SINGLE REAR AXLE 1354

1-4

©

 200424

General

5

ΧΦ65/75/85 series

8

1

Hub

2.

Brake drum

3.

Wheel stud

4.

Nut

5.

Grease retainer

6.

Oil seal

7.

Taper roller bearing

8.

Spacer sleeve

9.

Taper roller bearing

10.

Flange bolt

11.

Attachment plate

12.

Hub nut

13.

Annular gear

14.

Thrust washer

15.

Ring

16.

Stud bolt

17.

Spring washer

18.

Sealing ring

19.

Nut

20.

Cap screw

21.

Magnet plug

22.

Yoke pin

23.

Circlip

24.

Ring

25.

Gear wheel

26.

O-ring

27.

Planet-gear carrier

28.

Shaft

29.

Shim

30.

Planet wheel

31.

Needle bearing

32.

Circlip

33.

Shim

34.

O-ring

35.

Flange bolt

36.

Locking plate

37.

Plug

38.

Annular-gear carrier

39.

Spacer ring

40.

Cap screw

41.

Flange bolt

42.

Flange nut

43.

Grommet

44.

Grommet

45.

Bracket

46.

Cap

47.

Hub cap

48.

Cover