Remove/install crown wheel with differential

AR35.30-W-0464D

Remove/install crown wheel with differential

10.11.11



Removing

1

Remove differential assembly.

AR35.30-W-0432H

2

Install differential assembly to assembly stand

Assembly stand

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

3

Remove differential lock from differential assembly (interwheel differential lock)

AR35.40-W-0646B

4

Detach locking plates (2)

5

Release bolts (3) on bearing caps (4)

6

Unscrew threaded rings (7)



*312589040700

7

Remove both bearing caps (4)

 Mark both bearing caps (4) relative to bearing bracket.

8

Lift ring gear with differential (5) off differential assembly housing (8) and remove the bearing outer races (6) from the tapered roller bearings

 Identify bearing outer races (6) and tapered roller bearings relative to each other.



Install

9

Insert ring gear with differential (5) into the differential assembly housing (8)

10

Mount bearing outer races (6) onto tapered roller bearings

 If the tapered roller bearings were not replaced, observe identification of bearing outer races (6) relative to the tapered roller bearings.

11

Attach bearing cover (4)

 Observe identification of bearing caps (4) relative to the bearing bracket.

Each bearing cap (4) is centered with 2 guide pins (9).
Screw in bolts (3) to approx. 30 Nm only first.

12

Screw in threaded rings (7)



*312589040700

13

Adjust gear backlash at differential assembly

AR35.30-W-0475A

14

Tighten bolts (3) of bearing caps (4)

 Rear axle 748.26/27

*BA35.30-N-1002-03A

 Rear axle 748.706/708

*BA35.30-N-1002-03B

15

Secure threaded rings (7) with locking plates (2)

 Rear axle 748.26/27

*BA35.30-N-1003-03A

 Rear axle 748.706/708

*BA35.30-N-1003-03B

16

Install differential lock (interwheel differential lock) on differential assembly

 With differential lock only.

AR35.40-W-0646B

17

Remove differential assembly from the support on the assembly stand

18

Install differential assembly

AR35.30-W-0432H

Number

Designation

Rear axle 748.26/27
without through-drive, ring gear Ø 233 mm

BA35.30-N-1002-03A

Bolt, differential bearing cap to axle housing

M161.5

Nm

280

BA35.30-N-1003-03A

Bolt, locking plate to differential bearing cap

Hexagon bolt

Nm

25

Flat collar bolt

Nm

-

Number

Designation

Rear axle 748.26/27
without through-drive, ring gear Ø 300 mm

BA35.30-N-1002-03A

Bolt, differential bearing cap to axle housing

M161.5

Nm

280

BA35.30-N-1003-03A

Bolt, locking plate to differential bearing cap

Hexagon bolt

Nm

25

Flat collar bolt

Nm

-

Number

Designation

Rear axle 748.706, (NAG), without through-drive, 233 mm dia. ring gear

Rear axle 748.708, (NAG), without through-drive,
300 mm dia. ring gear

BA35.30-N-1002-03B

Bolt, differential bearing cap to axle housing

M161.5

Nm

280

280

BA35.30-N-1003-03B

Bolt, locking plate to differential bearing cap

Hexagon bolt

Nm

25

25

Flat collar bolt

Nm

-

-