ar3530b0465i

Disassemble/assemble differential

Type ar · topic 35.30 · version 0102 · 2020-08-14

Applies to: Rear axle 740.6/7/8

Where it sits

Function group 2 Chassis › 35 Rear axle › 35.30 Final drive, drive shafts

EinPAS 17 Drivetrain/axle › 17.51 Rear axle › 17.51.65 Rear axle differential/axle through-drive

Also applies to engines/gearboxes: 740 6**, 740 7**, 740 8**

AR35.30-B-0465I

Disassemble/assemble differential

04.08.2020

Rear axle

740.6/7/8

Disassemble/assemble differential

1

Taper roller bearing

2

Satellite box

3

Ring gear

4

Thrust washer of the planetary gears

5

Planetary gear

6

Spherical washers

7

Sleeves

8

Planetary gears

9

Distance rings

10

Crosshead

11

Planetary gear

12

Thrust washer of the planetary gears

13

Satellite box cover

14

Taper roller bearing

15

Bolts

16

Lock plate

17

Self-locking bolts

B35.30-0095-05

Disassemble

1

Remove the crown with the differential


Rear axle 740.6/7, 740.8 (except 740.880/881/884/885)

AR35.30-B-0464A

Rear axle 740.880/884

AR35.30-B-0464HE

Rear axle 740.881/885

AR35.30-B-0464HD

Lifting device

*055589165900

2

Remove the tapered roller bearings (1, 14)

Puller

*000589893300

Thrust piece

*360589026300

3

Install the planetary gear case assembly in the immobilization device

Mount

*337589023100

4.1

Remove the lock plate (16) together with the bolts (15)

Axles with lock plate

4.2

Remove the self-locking bolts (17)

Axles without lock plate

The lock plate (16) was eliminated from the axle number FZ 363731 and since then the gear ring is fastened with self-locking bolts (17).

5

Remove the ring gear (3) from the planetary gear case (2)

Remove the gear ring (3) using a proper tool.

6

Remove the planetary gear case the sun gears (5) and (11) and the thrust washers (4) and (12)

Mark the two halves of the planetary gear case.
Generally the cases have markings made by the manufacturer and identified in pairs.

7

Remove from the differential spider (10) the spherical washers (6), the planetary gears (8), the bushings (7) and the distance rings (9)

Check

8

Check the state of the planetary gears (5, 11) and of their thrust washers (4, 12). If necessary, replace them

9

Check the planetary gears (8), differential spider (10), spherical washers (6) and the distance rings for condition. If necessary, replace them

Assemble

10

Install, in the planetary gear case cove (13), the thrust washer (12) and the sun gear (11)

Lubricate the components.

Lubricating oil for transfer case and drive axle, DB supply specification 6630.00 - SAE 85W90 and 90

*BR00.45-Z-1112-06A

11

Install the bushings (7) in the planetary gears (8)

Lubricate the components.

Lubricating oil for transfer case and drive axle, DB supply specification 6630.00 - SAE 85W90 and 90

*BR00.45-Z-1112-06A

12

Install on the differential spider (10) the distance rings (9), the planetary gears (8) and the spherical washers (6)

Lubricate the components.

Lubricating oil for transfer case and drive axle, DB supply specification 6630.00 - SAE 85W90 and 90

*BR00.45-Z-1112-06A

13

Install the differential spider assembly (10) with all its components, in the cover of the planetary gear case (13)

14

Install over the differential spider assembly (10) the sun gear (5), with the thrust washer (4) installed

Lubricate the components.

Lubricating oil for transfer case and drive axle, DB supply specification 6630.00 - SAE 85W90 and 90

*BR00.45-Z-1112-06A

15

Install the cover (13) on the planetary gear case (2) and tighten the bolts

Observe the two halves position markings. New planetary gear cases must carry the same numbering.

16

Install the planetary gear case assembly on the immobilization device

Mount

*337589023100

Warning

Risk of injury. Skin or eye injuries may result when handling hot or glowing objects.

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

AS00.00-Z-0002-01A

17

Heat up the ring gear (3) to approx. 80 °C and install it on the differential case

The warming is not to be done with direct flame.

18

Install the gear ring fastening bolts (15) and tighten them with the specified tightening torque

Utilize new and self-locking bolts. Should no self-locking bolts be utilized, install a new lock plate under pressure and bend the safety tabs.

.Ring gear attachment bolt in the satellite box

*BA35.30-B-1002-05A

.Satellite box cover bolts

*BA35.30-B-1003-05A

Insertion and extraction device

*387589004300

19

Install the ring gear with the transversal differential


Rear axle 740.6/7, 740.8 (except 740.880/881/884/885)

AR35.30-B-0464A

Rear axle 740.880/884

AR35.30-B-0464HE

Rear axle 740.881/885

AR35.30-B-0464HD

Lifting device

*055589165900

Ring gear with differential

Number

Designation

Rear axle 740.3/6

Rear axle 740.7

BA35.30-B-1002-05A

Ring gear attachment bolt in the satellite box

Nm

300

300

Ring gear with differential

Number

Designation

Rear axle 740.8

BA35.30-B-1002-05A

Ring gear attachment bolt in the satellite box

Nm

300

Ring gear with differential

Number

Designation

Rear axle 740.3/6

Rear axle 740.7

BA35.30-B-1003-05A

Satellite box cover bolts

Nm

300

300

Ring gear with differential

Number

Designation

Rear axle 740.8

BA35.30-B-1003-05A

Satellite box cover bolts

Nm

300

Disassemble/assemble differential
Disassemble/assemble differential
Disassemble/assemble differential
Disassemble/assemble differential

337 589 02 31 00

Mount

387 589 00 43 00

Insertion and extraction device

000 589 89 33 00

Puller

360 589 02 63 00

Thrust piece

Disassemble/assemble differential

055 589 16 59 00

Lifting device

Repair materials

Number

Designation

Order number

BR00.45-Z-1112-06A

Lubricating oil for transfer case and drive axle, DB supply specification 6630.00 - SAE 85W90 and 90

Use corresponding commercially available repair materials.

Referenced documents