Remove/install lower steering shaft

AR46.10-W-7310H

Remove/install lower steering shaft

26.11.2019

Model

963, 964

1

Upper steering shaft

2

Universal joint

3

Bolts

4

Steering shaft bearing bracket

5

Mounting console for cab mounting

6

Universal joint

7

Lower steering shaft

8

Steering shaft bearing

9

Inner race

10

Screw

11

Grub screws

A

Distance (between inner race (9) and contact surface of steering shaft bearing (8))

 Warning

Risk of injury from being trapped in the swivel range of steered axles

Ensure that no persons or objects are in the swivel range of all steered axles when turning the steering wheel. Do not stand in the swivel range of the additional steering axle when the engine is running.

AS46.00-Z-0002-01A

 Warning

Risk of injury caused by body parts being pinched or crushed as cab is tilted

Ensure that no one is within the tilting range of the cab as it is being tilted. Always tilt the cab all the way to the end position and secure it with the safety strut.

AS60.80-Z-0001-01A

Topical note

Notes on self-locking nuts and bolts

AH00.00-N-0001-01A

Topical note

Notes on replacing the upper and lower steering shaft

AH46.10-N-0002-01A

Topical note

Notes on maintenance and repair work

AH46.20-N-0001-01H

Topical note

Notes on tilting the cab

AH60.80-N-0003-01A

Notes on safety-relevant components

AH00.00-Z-0019-01A



Remove

1

Open maintenance flap.

2

Set steering gear to center position.

Vehicles without code C6G (Steering, Servotwin) or code C6H (Steering, Servotwin, 4-axle vehicle)

AR46.20-W-0500-01H

Vehicles with code C6G (Steering, Servotwin) or code C6H (Steering, Servotwin, 4-axle vehicle)

AR46.20-W-0500-01HE

3

Open window on driver's door.

4

Switch off ignition.

5

Tilt cab.

6

Secure steering wheel against turning.

 Fix the steering wheel in place on the support rod using e.g. cable ties.
Before securing, make sure that the steering gear is at the center position.

7

Mark installation position of universal joint (2) relative to lower steering shaft (7).

 To do so, e.g., mark the position of the slot in the universal joint (2) on the lower steering shaft (7).

8

Remove universal joint (2) from lower steering shaft (7) and secure upper steering shaft (1) against falling down.

9.1

Mark installation position of universal joint (6) relative to steering gear.

Vehicles without code C6G (Steering, Servotwin) or code C6H (Steering, Servotwin, 4-axle vehicle)

 To do so, e.g., mark the position of the slot in the universal joint (6) on the steering gear.

9.2

Mark installation position of universal joint (6) relative to electromechanical controller unit.

Vehicles with code C6G (Steering, Servotwin) or code C6H (Steering, Servotwin, 4-axle vehicle)

 To do this, mark e.g. the position of the slot in the universal joint (6) on the electromechanical controller unit.

10

Remove screw for fastening universal joint (6) to primary shaft of steering gear.

11

Remove screws (3) and remove holder for steering shaft bearing (4) from cab suspension mounting support (5).

12

Remove lower steering shaft (7) together with universal joint (6), steering shaft bearing (8) and steering shaft bearing holder (4).

13

Release grub screw (11) on inner race (9) and detach steering shaft bearing (8) from lower steering shaft (7).

Only if the lower steering shaft (7) or the steering shaft bearing (8) are replaced.

14

Remove steering shaft bearing holder (4) from steering shaft bearing (8).

Only if the steering shaft bearing (8) is to be replaced.



Install

15

Attach holder for steering shaft bearing (4) to steering shaft bearing (8).

Only if the steering shaft bearing (8) was replaced.

 Do not tighten bolts (10) yet.

16

Slide steering shaft bearing (8) onto lower steering shaft (7).

Only if the lower steering shaft (7) or the steering shaft bearing (8) were replaced.

17

Slide plastic cover of steering shaft bearing (8) onto lower steering shaft (7).

Only if the lower steering shaft (7) or the steering shaft bearing (8) were replaced.

18.1

Attach universal joint (6) together with lower steering shaft (7) to steering gear.

Vehicles without code C6G (Steering, Servotwin) or code C6H (Steering, Servotwin, 4-axle vehicle)

 Observe markings.

 Fit bolt/nut, universal/constant velocity joint

*BA46.10-N-1001-07B

18.2

Attach universal joint (6) together with lower steering shaft (7) to electromechanical controller unit.

Vehicles with code C6G (Steering, Servotwin) or code C6H (Steering, Servotwin, 4-axle vehicle)

 Observe markings.

 Fit bolt/nut, universal/constant velocity joint

*BA46.10-N-1001-07B

19

Attach holder for steering shaft bearing (4) to cab suspension mounting support (5).

 Steering shaft bearing bracket to cab mounting bracket

*BA46.10-N-1008-07B

20

Tighten bolts (10).

Only if the lower steering shaft (7) or the steering shaft bearing (8) were replaced.

 Lower steering shaft bearing to bracket

*BA46.10-N-1006-07B

21

Check distance (A) between inner race (9) and contact surface of steering shaft bearing (8).

Only if the lower steering shaft (7) or the steering shaft bearing (8) were replaced.

Distance between inner race and contact surface of steering shaft bearing

*BE46.00-N-1003-01H

If the distance (A) deviates from the specified value,



move inner race (9) of steering shaft bearing (8) by hand until distance (A) matches the specified value.

22

Tighten grub screw (11) on inner race (9).

Only if the lower steering shaft (7) or the steering shaft bearing (8) were replaced.

 Grub screw, steering shaft bearing on lower steering shaft

*BA46.10-N-1007-07B

23

Slide plastic cover of steering shaft bearing (8) up to contact surface of steering shaft bearing (8).

Only if the lower steering shaft (7) or the steering shaft bearing (8) were replaced.

24

Attach universal joint (2) of upper steering shaft (1) to lower steering shaft (7).

 Observe markings.

 Fit bolt/nut, universal/constant velocity joint

*BA46.10-N-1001-07B

25

Remove anti-twist lock from steering wheel.

26

Tilt back cab.

27

Close maintenance flap.

28

Conduct a road test.

 During the test drive check whether the steering wheel is in the straight-ahead position.

If the steering wheel is not in the straight-ahead position,



set steering wheel to straight-ahead position by shifting the lower steering shaft (7) on the steering gear.

AR46.20-W-3020-01H


Turn lower steering shaft (7) by no more than half a turn to the left or right.
Otherwise the clock spring contact may be damaged.

 Fit bolt/nut, universal/constant velocity joint

*BA46.10-N-1001-07B

 Steering shaft bearing bracket to cab mounting bracket

*BA46.10-N-1008-07B

Check values for steering

Number

Designation

Model 963, 964

BE46.00-N-1003-01H

Distance between inner race and contact surface of steering shaft bearing

mm

31

 Steering wheel, steering column bracket, steering shaft

Number

Designation

Model 963, 964

BA46.10-N-1001-07B

Fit bolt/nut, universal/constant velocity joint

Nm

30

 Steering wheel, steering column bracket, steering shaft

Number

Designation

Model 963, 964

BA46.10-N-1006-07B

Lower steering shaft bearing to bracket

Nm

20

 Steering wheel, steering column bracket, steering shaft

Number

Designation

Model 963, 964

BA46.10-N-1007-07B

Grub screw, steering shaft bearing on lower steering shaft

Nm

3

 Steering wheel, steering column bracket, steering shaft

Number

Designation

Model 963, 964

BA46.10-N-1008-07B

Steering shaft bearing bracket to cab mounting bracket

Nm

25