ar3540b0650hd

Remove/install interwheel differential lock

Type ar · topic 35.40 · version 0100 · 2018-11-28

Applies to: Rear axle 740.881/885 in model 963, 964

Where it sits

Function group 2 Chassis › 35 Rear axle › 35.40 Differential locks — Series 963 · Series 964

EinPAS 17 Drivetrain/axle › 17.51 Rear axle › 17.51.38 Shift mechanism — Series 963 · Series 964

EinPAS 17 Drivetrain/axle › 17.51 Rear axle › 17.51.65 Rear axle differential/axle through-drive — Series 963 · Series 964

Also applies to engines/gearboxes: 740 881, 740 885

AR35.40-B-0650HD

Remove/install interwheel differential lock

06.08.2018

Rear axle

740.881/885 in model 963, 964

Remove/install interwheel differential lock

1

Shifting collar

2

Pressure spring

3

Drive yoke

4

Cylindrical bushing

5

Indexing plate

6

Actuation piston

7

O-Ring

8

Seal

9

Cover

10

Bolt

11

Screw (or pressure switch)

W35.40-1016-11

Remove

1

Remove the differential assembly

AR35.30-B-0432HD

2

Remove the screw (11) and the cover (9)

3

Remove the shift piston (6)

Insert one of the screws (10) into the shift piston (6) and remove it along with the adjustment disk (5).

4

Remove the cylindrical bushing (4)

In case the cylindrical bushing (4) is made of plastic:

Replace the cylindrical bushing (4) with a metal bushing.

If the cylindrical bushing (4) is damaged:

Replace the cylindrical bushing (4).

5

Remove the coupling sleeve (1) from the shift fork (3)

6

Remove the drive fork (3) and the compression spring (2) from the axle carcass

Install

7

Install the cylindrical bushing (4)

In case the cylindrical bushing (4) has been removed

Install by pressing the cylindrical bushing (4) with synthetic lubricating grease.

Synthetic grease 50 g

*BR00.45-Z-1027-06A

8

Install the drive fork (3) and the compression spring (2) into the differential assembly

To install the drive fork (3) press the compression spring (2) to the inner side using the assembly pin.

9

Install the new O-Ring (7) on the control piston (6)

10

Install the shift piston (6) with the adjustment disk (5)

Apply synthetic lubricating grease to the face of the control piston sealing (6).

Synthetic grease 50 g

*BR00.45-Z-1027-06A

11

Install the cap (9) with a new seal (8)

Install the new seal (8) with the collar facing the cap (9).

Differential lock cover

*BA35.40-B-1001-01HD

Check

12

Check the end play of the coupling sleeve (1)

In case the coupling sleeve (1) has excess play:

Adjust the coupling sleeve end play (1).

Differential lock

Number

Designation

Rear axle 740.880/881/884/885

BA35.40-B-1001-01HD

Differential lock cover

M8

Nm

24

Remove/install interwheel differential lock

748 589 02 15 00

Assembly arbor

Repair materials

Number

Designation

Order number

BR00.45-Z-1027-06A

Synthetic grease 50 g

A 001 989 32 51 10

Referenced documents