Disassemble/assemble rear axle shaft

AR35.30-D-7351A

Disassemble/assemble rear axle shaft

17.3.97

16.10.97

In order to avoid damaging the bearing, the outer race must be turned while pressing on.

Step 10 extended by an important note.

16.10.97

In order to avoid damaging the bearing, the outer race must be turned while pressing on.

Step extended by an important note.

AR35.30-D-7351-01A



Remove

1

Remove rear axle shaft (1)

AR35.30-D-0620D



Disassemble

2

Release slotted nut (9) and screw off

 Slotted nut (9.2) with groove on left rear axle shaft has a left-hand thread, slotted nut (9.1) without groove on right rear axle shaft has a right-hand thread.

To improve the dismantling procedure insert two wheel mounting bolts into the axle shaft and clamp in a vise.



*460589010700

3

Remove circlip (8)

4

Press tapered roller bearing (6) off rear axle shaft (1)

AR35.30-D-7351-01A



*741589003500

5

Remove tapered roller bearing (6), dust shield (5) and bearing cover (2) from rear axle shaft (1)

6

Remove radial shaft seal (3) from bearing cover (2)

AR35.30-D-7351-02A



Assemble

7

Clean sealing surface of bearing cap (2)

8

Install radial shaft seal (3) into the bearing cap (2)

 Replace radial shaft seal.

AR35.30-D-7351-02A

 Installation position - flush up to max.
0.3 mm in bearing cap.



*741589011500

9

Install bearing cap (2), gasket (4), dust shield (5), tapered roller bearing (6) and circlip (8) on axle shaft

Check tapered roller bearing, replace according to condition. Replace gasket and circlip. Grease tapered roller bearing well before fitting.

10

Press tapered roller bearing (6) over the circlip (8) onto axle shaft

 The flat side of the circlip must face towards the slotted nut.

The circlip is fitted in order to ensure that the pressing on is done over the inner bearing race only.

The anti-twist lock on the circlip must be aligned with the recess in the axle shaft otherwise the axle shaft will be damaged.

In order to avoid damaging the bearing, the outer race must be turned while pressing on.

AR35.30-D-7351-01A



*741589003500

11

Screw on and secure slotted nut (9)

 Secure slotted nut by shearing off and bending in circlip at both grooves. The slotted nut must be locked in both directions of rotation.

 Slotted nut (9.2) with groove on left rear axle shaft has a left-hand thread, slotted nut (9.1) without groove on right rear axle shaft has a right-hand thread.



*460589010700



*BA35.30-N-1002-01A

12

Slide square seal (7) onto the tapered roller bearing (6)

 Replace sealing ring.



Install

13

Install rear axle shaft (1)

AR35.30-D-0620D

Number

Designation

Rear axle
741.407/408/409

BA35.30-N-1002-01A

Slotted nut to rear axle shaft

M453

Nm

500