ar3540b0646b

Remove/install differential lock at differential assembly

Type ar · topic 35.40 · version 0200 · 2016-02-12

Applies to: Rear axle 741.9, 743.1, 745.5, 746.89, 746.99

Where it sits

Function group 2 Chassis › 35 Rear axle › 35.40 Differential locks

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

Also applies to engines/gearboxes: 741 9**, 743 1**, 745 5**, 746 89*, 746 99*

AR35.40-B-0646B

Remove/install differential lock at differential assembly

12.02.16

Rear axle 741.9, 743.1, 745.5, 746.89, 746.99

Remove/install differential lock at differential assembly

B35.40-0005-05

With longitudinal differential

1 Bushing

2 Command cylinder

3 Piston sealer

4 Piston

5 Guide-pin

6 Spring

7 Spacer ring

8 Locking ring

9 Coupling sleeve

10 Locking ring

11 Jaws coupling

12 Pressure switch

13 Pneumatic connection

Disassemble

1

Remove the differential

AR35.30-B-0464B

2

Compress the lock ring (10) and remove the jaws coupling (11) assembled in the differential

3

Unscrew and remove the pressure switch (12) and the pneumatic connection (13)

The pressure switch must be removed together with the prolonger

4

Remove the entire assembly of the rear axle housing blocking

5

Disassemble the blocking assembling and the coupling sleeve (9) with the piston (4) and other parts

Apply compressed air in the assembly to make the removal easier

6

Attach the command cylinder in a vise and remove the lock ring (8)

7

Remove the command cylinder (2) the spring (6), and the spacer ring (7) and the piston (4)

8

Remove the guide pin (5) from the cylinder (2) with a pin

9

Remove the bushing (1) with a pin

10

Remove the sealer (3)

Assemble

11

Assemble the sealer (3) in the command cylinder (2)

Grease the assembling

12

Introduce the bushing manually (1) in the command cylinder (2), fit it in the sealer (3) in rotating movement and puncture it with a proper mandrel

The bushing must be faced with the cylinder rear edge

13

Assemble the guide pin (5)

14

Assemble the piston (4), the spacer ring (7) and the spring (6)

The piston groove must be aligned with the guide pin in the cylinder

15

Attach the command cylinder in a vise and assemble the lock ring (8)

16

Assemble the coupling sleeve (9) in the piston (4)

Apply compressed air in the cylinder

17

Assemble the entire assembly in the rear axle housing blocking

Match the air inlet holes of the pneumatic switch between the cylinder and the housing

18

Assemble the pressure switch (12) and the pneumatic connection (13) in the rear axle housing

Use new sealing rings

19

Assemble the claw coupling (11) in the differential

20

Install the differential in the rear axle housing

AR35.30-B-0464B

21

Adjust the pressure switch

AR35.40-B-0646-02A

*BE35.40-B-1002-02A

Interwheel differential lock

Número

Denominação

Rear axles 743.104/106/132, 743.143/149/153

Rear axles 745.520/525/590

BE35.40-B-1002-02A

Clearance between the teeth of the engagement bushing and the clamp coupling for the adjustment of the pressure switch

mm

0.5

0.5

Interwheel differential lock

Número

Denominação

Rear axles 741.930, 741.95, 745.957

Rear axles 746.890, 746.99

BE35.40-B-1002-02A

Clearance between the teeth of the engagement bushing and the clamp coupling for the adjustment of the pressure switch

mm

0.5

0.5

Referenced documents