DAF LF45, LF55 Series. Manual — part 655

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Removal and installation

EXPLANATORY NOTES ON THE MAINTENANCE ACTIVITIES

ΛΦ45/55 series

5

4.10 REMOVAL AND INSTALLATION, F36/F48 FRONT AXLE WHEEL HUB

Removing the hub
1.

Support the front axle in a safe manner.

2.

Remove the wheel.

3.

Remove the wheel speed sensor (1).

4.

Remove the cap placed over the adjusting

bolt (1). Reset the brake pads by unscrewing

the adjusting bolt (1) clockwise as far as it will

go.

5.

Remove the attachment bolts (3) from the

brake calliper (2). Remove the brake calliper

(2) with attached pipes from the stub axle.

Put the brake calliper (2) aside.

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EXPLANATORY NOTES ON THE MAINTENANCE ACTIVITIES

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Removal and installation

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ΛΦ45/55 series

6.

Remove the hub cap (11).

7.

Remove the lock nut (10).

8.

Remove the hub (5) from the axle journal (1).

Save the circlip (8) and the bearing cage (7).

9.

Remove the seal (2) from the hub (5).

10. Take the bearing cage (3) out of the hub (5).

Installing the hub
1.

Clean the axle journal (1) and check for

damage.

2.

Clean the bearing cages (3) and (7).

3.

Remove the grease from the hub (5) and

clean the ball races (4) and (6).

4.

Check the bearing cages (3) and (7) and the

ball races (4) and (6) for wear and damage.

If necessary, fit new wheel bearings.

5.

Apply an ample quantity of the specified

grease to the bearing cages (3) and (7).

6.

Fit the bearing cage (3) into the hub (5).

7.

Apply a layer of grease (approx. 6 mm thick)

to the hub cavity.

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Removal and installation

EXPLANATORY NOTES ON THE MAINTENANCE ACTIVITIES

ΛΦ45/55 series

5

8.

Fit a new seal (2) in the hub (5).

9.

Fit the hub (5) to the axle journal (1).

10. Fit the bearing cage (7).

11. Apply the specified grease to the front of the

bearing cage (7).

12. Install the circlip (8).

13. Fit the lock nut (10). Tighten the lock nut (10)

to the specified torque. See "Technical data".

Rotate the hub (1), while securing the lock

nut (10), to allow the bearings to set.

14. Turn the lock nut (10) back through

approximately 90

. It should be possible to fit

the split pin (9).

15. Place a micrometer (A) on the wheel hub (5).

Allow the stylus to rest on the end of the axle

journal (1).

16. Push and pull on the wheel hub (5). Check

the wheel bearing play and compare this with

the specified value. See "Technical data".

17. If necessary, correct the wheel bearing play

by tightening or loosening the lock nut (10).

18. Fit a new split pin (9) in the lock nut (10).

19. Fit the hub cap (11). Attention: the hub cap

must not be filled with grease.

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Removal and installation

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20. Apply locking compound to the attachment

bolts (3) of the brake calliper (2). See

"Technical data".

21. Install the brake calliper (2). Tighten the

attachment bolts (3) in the specified

sequence to the specified torque. See

"Technical data".

22. Set the brake pad clearance. To do this, turn

the adjusting bolt (1) anti-clockwise until the

brake pads abut the brake disc. Then turn

the adjusting bolt (1) clockwise through 90

.

Check that the brake disc runs freely.

23. Fit the cap on the adjusting bolt (1).

24. Install the wheel speed sensor (1) and press

it against the sensor ring. The required

clearance will be produced while on the

move.

25. Fit the wheel.

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