Perform wheel alignment check

AR40.20-D-0200TS

Perform wheel alignment check

21.08.2019

Model

907, 910

Topical note

Notes on carrying out repair work in the vehicle interior

AH68.00-N-0001-01S



Measure

1

Check preconditions for wheel alignment.

AR40.20-D-0050TS

 Determine difference between the inner and outer tire tread channel depth here too.

2

Move vehicle onto wheel alignment measurement system.



000 588 13 21 00 Wheel alignment system

WS40.00-P-0013B

 Only use approved wheel alignment systems.

3

Install brake pedal jack between brake pedal and driver's seat.


Install tools carefully.
Otherwise, the driver's seat may be damaged.

 A slight pressure on the brake pedal is sufficient.

 Brake pedal jack

*000589183100

4.1

Shift manual transmission into neutral position.

Model 907 with transmission 700.7, 711.6
Model 910 with transmission 700.760

4.2

Move DIRECT SELECT lever into "P" position.

Model 907 with transmission 722.9, 725.0
Model 910 with engine 780.703
Model 910 with transmission 700.750

5

Open window on driver's door for impact routine.

 Do not move vehicle anymore.

6

Mount adapters.

 Adapter

*907589003100

7

Mount quick clamping devices.

 Quick clamping device

*124589013100

8

Attach measuring heads of wheel alignment measurement system.

9

Compensate rim runout.

10

Release turn plates of wheel alignment measurement system.

11.1

Determine front-axle level using the transverse control arm angle bracket with electronic inclinometer.

Model 907
When measuring with electronic inclinometer.

AR40.20-D-6870TS

11.2

Determine front-axle level with the angle piece of the front axle shaft using an electronic inclinometer.

Model 910
When measuring with electronic inclinometer.

AR40.20-D-6870TS

11.3

Determine front-axle level through actual front-axle load.

When measuring without electronic inclinometer.

 Commercially available devices/tools
Wheel load scales

12

Perform initial measurement.

 The actual suspension data such as camber, toe, steering axis inclination, caster and the toe-out angle are determined here.

13

Check the determined toe-out angle.

Model 910 with code IT3 (3.0 tons), model 910 with code IT4 (3.5 tons)

AR40.20-D-0325TSF

Model 910 with code IT9 (4.0 tons)

AR40.20-D-0325TSG

Model 907 with code IT3 (3.0 ton) except code ZU7 (National version for Canada) except code ZU8 (National version for USA), model 907 with code IT4 (3.5 ton) except code ZU7 (National version for Canada) except code ZU8 (National version for USA)

AR40.20-D-0325TSR

Model 907 with code IT9 (4.0 ton) except code ZU7 (National version for Canada) except code ZU8 (National version for USA)

AR40.20-D-0325TSS

Model 907 with code IT5 (5.0 ton) except code ZU7 (National version for Canada) except code ZU8 (National version for USA)

AR40.20-D-0325TST

Model 907
with code ZU7 (National version for Canada)
Model 907
with code ZU8 (National version for USA)

AR40.20-D-0325TSU

14.1

Check and adjust camber and caster on front axle.

Model 907

Model 907 with code IT3 (3.0 ton) except code ZU7 (National version for Canada) except code ZU8 (National version for USA), model 907 with code IT4 (3.5 ton) except code ZU7 (National version for Canada) except code ZU8 (National version for USA)

AR40.20-D-0322TSR

Model 907 with code IT9 (4.0 ton) except code ZU7 (National version for Canada) except code ZU8 (National version for USA)

AR40.20-D-0322TSS

Model 907 with code IT5 (5.0 ton) except code ZU7 (National version for Canada) except code ZU8 (National version for USA)

AR40.20-D-0322TST

Model 907
with code ZU7 (National version for Canada)
Model 907
with code ZU8 (National version for USA)

AR40.20-D-0322TSU

 The caster is design specific and it cannot be adjusted.

14.2

Check camber and caster on front axle.

Model 910

Model 910 with code IT3 (3.0 tons), model 910 with code IT4 (3.5 tons)

AR40.20-D-0324TSF

Model 910 with code IT9 (4.0 tons)

AR40.20-D-0324TSG

 Camber cannot be adjusted; it can only be changed by replacing the steering knuckle.

 The caster is design specific and it cannot be adjusted.

15

Check and adjust toe on front axle.

Model 907 with code IT3 (3.0 ton) except code ZU7 (National version for Canada) except code ZU8 (National version for USA), model 907 with code IT4 (3.5 ton) except code ZU7 (National version for Canada) except code ZU8 (National version for USA)

AR40.20-D-0323TSR

Model 907 with code IT9 (4.0 ton) except code ZU7 (National version for Canada) except code ZU8 (National version for USA)

AR40.20-D-0323TSS

Model 907 with code IT5 (5.0 ton) except code ZU7 (National version for Canada) except code ZU8 (National version for USA)

AR40.20-D-0323TST

Model 907
with code ZU7 (National version for Canada)
Model 907
with code ZU8 (National version for USA)

AR40.20-D-0323TSU

Model 910 with code IT3 (3.0 tons), model 910 with code IT4 (3.5 tons)

AR40.20-D-0323TSF

Model 910 with code IT9 (4.0 tons)

AR40.20-D-0323TSG

16

Check steering axis inclination of front wheels.

Model 910 with code IT3 (3.0 tons), model 910 with code IT4 (3.5 tons)

AR40.20-D-0340TSF

Model 910 with code IT9 (4.0 tons)

AR40.20-D-0340TSG

Model 907 with code IT3 (3.0 ton) except code ZU7 (National version for Canada) except code ZU8 (National version for USA), model 907 with code IT4 (3.5 ton) except code ZU7 (National version for Canada) except code ZU8 (National version for USA)

AR40.20-D-0340TSR

Model 907 with code IT9 (4.0 ton) except code ZU7 (National version for Canada) except code ZU8 (National version for USA)

AR40.20-D-0340TSS

Model 907 with code IT5 (5.0 ton) except code ZU7 (National version for Canada) except code ZU8 (National version for USA)

AR40.20-D-0340TST

Model 907
with code ZU7 (National version for Canada)
Model 907
with code ZU8 (National version for USA)

AR40.20-D-0340TSU

 The steering axis inclination is design specific and it cannot be adjusted.

17

Check toe-in on rear axle.

 The toe-in is design specific and it cannot be adjusted.

 Note tolerances here for toe-in on rear axle.

Model 907Permissible difference left to right

*BE40.20-N-1002-10TSR

Model 907Toe per wheel

*BE40.20-N-1001-10TSR

Model 910Permissible difference left to right

*BE40.20-N-1002-10TSF

Model 910Toe per wheel

*BE40.20-N-1001-10TSF

Toe-in

*BE40.20-N-1001-12A

If the determined values are outside of the tolerance,



Perform suitable repair measures.

 After obtaining special order.

18

Check camber on rear axle.

 The camber is design specific and it cannot be adjusted.

 Note tolerances here for camber on rear axle.

Model 910Permissible difference left to right

*BE40.20-N-1002-09TSF

Model 910Camber

*BE40.20-N-1001-09TSF

Camber

*BE40.20-N-1003-12A

If the determined values are outside of the tolerance,



Perform suitable repair measures.

 After obtaining special order.

19

Check angular alignment on rear axle.

 These values are design specific and they cannot be adjusted.

Inclination of rear wheels (individual toe-in) = Maximum angular alignment of rear axle

*BE40.20-N-1002-12A

If the determined values are outside of the tolerance,



Perform suitable repair measures.

 After obtaining special order.

20

Perform final measurement.

21

Detach measuring heads from wheel alignment measurement system.

22

Remove the quick clamping devices and the adapters.

 Quick clamping device

*124589013100

 Adapter

*907589003100

23

Remove brake pedal jack.

 Brake pedal jack

*000589183100

24

Drive vehicle off the wheel alignment measurement system.

25

Secure turn plates of wheel alignment measurement system.

Rear axle camber

Number

Designation

Model 910

BE40.20-N-1001-09TSF

Camber

°

0° 45' (20')

Rear axle toe

Number

Designation

Model 910

BE40.20-N-1001-10TSF

Toe per wheel

°

0° 15' (10')

Rear axle toe

Number

Designation

Model 907 with code IT3 or with code IT4 or with code IT9

Model 907 except code IT3, IT4, IT9

BE40.20-N-1001-10TSR

Toe per wheel

°

0° 7' 5" (15')

0° 0' (15')

Check values for rear axle alignment

Number

Designation

Model 907

Model 910

BE40.20-N-1001-12A

Toe-in

Tolerance (maximum)

°

0° 15' (15')

0° 10' (10')

Rear axle camber

Number

Designation

Model 910

BE40.20-N-1002-09TSF

Permissible difference left to right

°

20'

Rear axle toe

Number

Designation

Model 910

BE40.20-N-1002-10TSF

Permissible difference left to right

°

10'

Rear axle toe

Number

Designation

Model 907 with code IT3 or with code IT4 or with code IT9

Model 907 except code IT3, IT4, IT9

BE40.20-N-1002-10TSR

Permissible difference left to right

°

15'

15'

Check values for rear axle alignment

Number

Designation

Model 907

Model 910

BE40.20-N-1002-12A

Inclination of rear wheels (individual toe-in) = Maximum angular alignment of rear axle

Tolerance (maximum)

°

0° 15'

0° 15'

Check values for rear axle alignment

Number

Designation

Model 907

Model 910

BE40.20-N-1003-12A

Camber

Tolerance (maximum)

°

0° (20')

0° 20' (20')