Remove/install crown wheel with differential

AR35.30-W-0464B

Remove/install crown wheel with differential

10.11.11



Removal:

1

Remove differential assembly (16)

AR35.30-W-0432E

2

Attach differential assembly (16) to assembly adapter (17)

Assembly adapter for differential assembly HL 4

Lifter mounting adapter
gotis://A_25/35/49_03.0

3

Remove differential lock

 Axles with differential lock

Model designation 770.001

AR35.40-W-9255A

Model designation 770.000

AR35.40-W-9255B

4

Remove jam nut (15) and remove sliding block (12)

5

Remove dog clutch (5)

 Press wire ring (6) together

6

Remove wire ring (6)

7

Remove tab washers (2)

8

Unfasten hexagon head bolts (4) and remove threaded rings (7)

 Identify bearing cap (3) and axle housing (13) relative to each other.



*312589040700

9

Remove bearing cap (3).

 Identify outer races (8) and tapered roller bearing (9) relative to each other.

10

Lift off differential (10) and remove outer races (8)



Installation

11

Insert differential (10) with outer races (8) into axle housing (13)

 If tapered roller bearings (9) are run-in, observe markings on outer races (8).

12

Install bearing cap (3)

 Mount bearing cap (3) to match marking and tighten, 30 Nm. Turn ring gear (11) several times and knock onto bearing cap (3) using rubber hammer.

13

Install threaded rings (7)

 Screw in up to mounting face on outer races (8).



*312589040700

14

Tighten hexagon head bolts (4) of bearing cap (3)



*BA35.30-N-1004-03E

15

Screw in threaded rings (7)

 Until the tapered roller bearing (9) make contact with zero clearance.



*312589040700

16

Adjust gear backlash on differential assembly ring gear

AR35.30-W-0475-03B

Adjustment value

*BE35.30-N-1004-01F



*312589040700



*363589022100



*001589532100

17

Check contact pattern

AR35.30-W-0475-02B

Prussian Blue

*BR00.45-Z-1002-07A

18

Adjust bearing preload

AR35.30-W-4302-01C

Adjustment value

*BE35.30-N-1003-01F



*312589040700



*363589022100



*001589532100

19

Install tab washers (2)



 Use new serrated bolts (1)

*BA35.30-N-1005-03E

 If the passage is not chamfered on the bearing caps (3), a chamfer with a width of approx. 3 mm must be ground out.

AR35.30-W-0464-05A

20

Install and adjust sliding block (12)

AR35.30-W-0464-04A

Repair materials

*BR00.45-Z-1001-06A



*BA35.30-N-1006-03E

21

Insert wire ring (6)

 Fit wire ring into gearing groove.

22

Install dog clutch (5)

 Press wire ring (6) together

23

Install differential lock

 Axles with differential lock

Model designation 770.001

AR35.40-W-9255A

Model designation 770.000

AR35.40-W-9255B

24

Install differential assembly (16)

AR35.30-W-0432E

Number

Designation

Rear axle 770.000/001/
002/003

BE35.30-N-1003-01F

Bearing preload

New tapered roller bearings

mm

0.20...0.05

Worn tapered roller bearings

mm

0.10...0.05

BE35.30-N-1004-01F

Gear backlash

mm

0.20...0.28

Number

Designation

Rear axle 770.000/001/
002/003

BA35.30-N-1004-03E

Bolt, bearing cover to axle housing

M221.5

Stage 1

Nm

200

Stage 2

°

90

BA35.30-N-1005-03E

Bolt, locking plate to threaded ring/bearing cap

Nm

40

BA35.30-N-1006-03E

Lock nut adjusting screw

Nm

110

Number

Designation

Order number

BR00.45-Z-1001-06A

Long-life grease

A 000 989 63 51 11

BR00.45-Z-1002-07A

Prussian Blue

-