Remove/install crown wheel with differential

AR35.30-W-0464MA

Remove/install crown wheel with differential

26.10.10



Removing

1

Remove differential assembly (11)

AR35.30-W-0432I

2

Mount differential assembly (11) onto support on assembly stand

3

Remove interwheel differential lock on differential assembly (11)

AR35.40-W-0646B

4

Remove locking plates (8) on both threaded rings (1 and 10)

5

Remove bearing cap (3) and bearing bracket (6)

6

Remove threaded ring (1) and bearing outer race (2)

7

Lift ring gear with differential (5) together with bearing bracket (6) out of differential assembly (11)

8

Remove bearing bracket (6) from ring gear with differential (5)

9

Remove threaded ring (10) and bearing outer race (9) from bearing bracket (6)



Install

10

Install bearing outer race (9) into bearing bracket (6)

11

Install bearing bracket (6) into differential assembly (11)

 Rear axle 748.26/27

*BA35.30-N-1010-03A

 Rear axle 740.89, 748.703

*BA35.30-N-1010-03B

12

Mount bearing outer race (2) onto tapered roller bearing on ring gear side on ring gear with differential (5)

13

Insert ring gear with differential (5) into the differential assembly (11)

 Insert differential side into bearing bracket (6) first and then mount the ring gear side.

14

Attach bearing cover (3)

 Screw in bolts (4) to only approx. 30 Nm first.

15

Turn threaded rings (1 and 10) into the bearing cap (3) and bearing bracket (6)

 Turn threaded rings (1 and 10) in alternately and while simultaneously turning the ring gear until the tapered roller bearings are lightly pre-compressed.

16

Determine gear backlash on differential assembly (11)

AR35.30-W-0475A

17

Tighten bolts (4) of bearing cap (3)

 Rear axle 748.26/27

*BA35.30-N-1002-03A

 Rear axle 740.89, 748.703

*BA35.30-N-1002-03B

18

Secure threaded rings (1 and 10) with the locking plates (8)

Rear axle 748.26/27:



 Locking plate to differential bearing cap

*BA35.30-N-1003-03A

 Locking plate to bearing bracket

*BA35.30-N-1012-03A

Rear axle 740.89, 748.703



 Locking plate to differential bearing cap

*BA35.30-N-1003-03B

 Locking plate to bearing bracket

*BA35.30-N-1012-03B

19

Install interwheel differential lock onto differential assembly (11)

AR35.40-W-0646B

20

Remove differential assembly (11) from support on assembly stand

21

Install differential assembly (11)

AR35.30-W-0432I

Number

Designation

Rear axle 748.26/27
with through-drive, 233 mm dia. ring gear

BA35.30-N-1002-03A

Bolt, differential bearing cap to axle housing

M161.5

Nm

370 (30)

BA35.30-N-1003-03A

Bolt, locking plate to differential bearing cap

Hexagon bolt

Nm

-

Flat collar bolt

Nm

35

BA35.30-N-1010-03A

Bolt for bearing bracket on differential assembly

M161.5

Nm

370 (30)

BA35.30-N-1012-03A

Bolt for locking plate to bearing bracket

M161.5

Nm

35

Number

Designation

Rear axle 748.26/27
with through-drive, 300 mm dia. ring gear

BA35.30-N-1002-03A

Bolt, differential bearing cap to axle housing

M161.5

Nm

370 (30)

BA35.30-N-1003-03A

Bolt, locking plate to differential bearing cap

Hexagon bolt

Nm

-

Flat collar bolt

Nm

35

BA35.30-N-1010-03A

Bolt for bearing bracket on differential assembly

M161.5

Nm

370 (30)

BA35.30-N-1012-03A

Bolt for locking plate to bearing bracket

M161.5

Nm

35

Number

Designation

Rear axle
740.893/895/897/
898, (NAG),
with through-drive,
300 mm dia. ring gear

Rear axle 748.703 (NAG),
with through-drive,
233 mm dia. ring gear

BA35.30-N-1002-03B

Bolt, differential bearing cap to axle housing

M161.5

Nm

370 (30)

370 (30)

BA35.30-N-1003-03B

Bolt, locking plate to differential bearing cap

Hexagon bolt

Nm

-

-

Flat collar bolt

Nm

35

35

BA35.30-N-1010-03B

Bolt for bearing bracket on differential assembly

M161.5

Nm

370 (30)

370 (30)

BA35.30-N-1012-03B

Bolt for locking plate to bearing bracket

Nm

35

35