Disassemble, assemble differential

AR35.30-W-0465D

Disassemble, assemble differential

21.10.09



Disassemble

1

Remove ring gear with differential

Rear axle without through-drive

AR35.30-W-0464D

Rear axle with through-drive

AR35.30-W-0464MA

2

Detach tapered roller bearings (1 and 7) from differential housing (6)

 Hand pump

*652589003321

 Hydraulic hose

*652589003323

 Hydraulic cylinder

*715589153400

 Adapter

*715589113400

 Adapter

*715589123400

 Adapter

*748589013400

 Jack

*312589005000

 Gripper,

- for tapered roller bearing (differential side) (7) with 233 mm dia. ring gear.

*748589043400

 Gripper,

- for tapered roller bearing (ring gear side) (1) with 233 mm dia ring gear.

- for tapered roller bearing (differential side) (7) with 300 mm dia. ring gear

*748589023400

 Gripper,

- for tapered roller bearing (ring gear side) (1) with 300 mm dia ring gear.

*748589033400

3

Remove oil retainer from differential housing (6)

4

Clamp ring gear with differential on seat of tapered roller bearing (7) on differential side

 Tensioning device

*315589023100

5

Detach ring gear (3) from differential housing (6)

 Use rubber hammer, if necessary.

6

Remove thrust washer (4) and differential side gear (5) from differential housing (6)

7

Remove differential housing (6) from tensioning device



Assemble

8

Clamp differential housing (6) onto seat of tapered roller bearing (7)

 Tensioning device

*315589023100

9

Insert thrust washer (4) and differential side gear (5) into the differential housing (6)

10

Screw in guide pins on two opposite points in the differential housing (6)



Guide bolts for assembling differential and ring gear

WF58.50-N-3110-01A

11

Mount ring gear (3) using the guide pins onto the differential housing (6)

 Oil the inside area of the ring gear (3) slightly.

12

Remove guide pins and install ring gear (3) onto differential housing (6)

 Use new bolts (2) and tighten in two stages crosswise.

 Rear axle 748.26/27

*BA35.30-N-1009-03A

 Rear axle 740.893/895/897, 748.703/706/708

*BA35.30-N-1009-03B

13

Mount oil retainer on the differential housing (6)

14

Detach ring gear with differential from tensioning device

 Danger!

Risk of injury to skin and eyes caused by handling hot or glowing objects.

Wear safety gloves, protective clothing and safety glasses, if necessary.

AS00.00-Z-0002-01A

15

Heat tapered roller bearings (1 and 7) up to approx. 80 °C and push all the way onto the differential housing (6)

 Observe different diameters of tapered roller bearings (1 and 7) If necessary reposition inner races of tapered roller bearings (1 and 7) using a suitable drift.

16

Install crown wheel with differential

Rear axle without through-drive

AR35.30-W-0464D

Rear axle with through-drive

AR35.30-W-0464MA

Number

Designation

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

BA35.30-N-1009-03A

Bolt, crown wheel to differential housing

M121.5

Nm

170 (20)

M141.5

12.9

Stage 1

Nm

-

Stage 2

°

-

M161.5

12.9

Stage 1

Nm

-

Stage 2

°

-

Number

Designation

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

BA35.30-N-1009-03A

Bolt, crown wheel to differential housing

M121.5

Nm

-

M141.5

12.9

Stage 1

Nm

110

Stage 2

°

90

M161.5

12.9

Stage 1

Nm

-

Stage 2

°

-

Number

Designation

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

BA35.30-N-1009-03A

Bolt, crown wheel to differential housing

M121.5

Nm

-

M141.5

12.9

Stage 1

Nm

-

Stage 2

°

-

M161.5

12.9

Stage 1

Nm

400 (40)

Stage 2

°

-

Number

Designation

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

BA35.30-N-1009-03A

Bolt, crown wheel to differential housing

M121.5

Nm

-

M141.5

12.9

Stage 1

Nm

-

Stage 2

°

-

M161.5

12.9

Stage 1

Nm

110

Stage 2

°

90

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-1009-03B

Bolt, crown wheel to differential housing

M121.5

Nm

-

170 (20)

M141.5

12.9

Stage 1

Nm

-

-

Stage 2

°

-

-

M161.5

12.9

Stage 1

Nm

400 (40)

-

Stage 2

°

-

-

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-1009-03B

Bolt, crown wheel to differential housing

M121.5

Nm

-

-

M141.5

12.9

Stage 1

Nm

110

-

Stage 2

°

90

-

M161.5

12.9

Stage 1

Nm

-

110

Stage 2

°

-

90