Check front axle alignment

AR40.20-B-0100B

Check front axle alignment

12.02.16



Measure

1

Prior conditions for measuring the chassis suspension assembly

Start measuring the left side of the vehicle.

AR40.20-B-0050A

2

Print the form for measuring axles

Record the measuring values obtained in the steps described in the form.



Alignment form.

OF40.20-B-3000-01A

3

Measure the toe-in

AR40.20-B-0323-01A

Toe-in of the 2nd front axle on 4 axle vehicles

*BE40.20-B-1004-11B

 Rolling train measuring apparatus.

If the nominal value is not attained:



Adjust the toe-in.

AR40.20-B-0510-01A

Toe-in of the 2nd front axle on 4 axle vehicles

*BE40.20-B-1004-11B

Nut on the track-rod terminal and on the steering rod terminal.

*BA46.40-B-1001-06B

Tightening clamp on the track-rod terminal and on the steering rod terminal.

*BA46.40-B-1002-06B

4

Measuring camber

The camber is a construction resultant and can not be adjusted, if necessary, check the components.

AR40.20-B-0322-08A

Camber of the 2nd front axle on 4 axle vehicles

*BE40.20-B-1001-11B

Rolling train measuring apparatus.

5

Check the caster

Front axle with pneumatic suspension.

AR40.20-B-0322-07B

On pneumatic suspension front axles, the caster is resultant from the construction (design) and can not be adjusted.

Caster of the 2nd front axle on 4 axle vehicles

*BE40.20-B-1003-11B

6

Measure the toe-out

The toe out is a construction resultant and can not be adjusted, if necessary, check the components.

AR40.20-B-0340-01B

Toe-out of the 2nd front axle on 4 axle vehicles

*BE40.20-B-1002-19A

7

Measure the difference of the toe-in angle

Should the indicated values not be attained, there is a fault in the steering parts.

AR40.20-B-0325-01B

Toe-in angle difference of the 2nd front axle on 4 axle vehicles

*BE40.20-B-1001-08E

Wheel angle difference at 20º turn of the curve inner wheel 2nd front axle on 4 axle vehicles

*BE40.20-B-1005-11B

8

Measuring axle lateral displacement

Optical measuring

AR40.20-B-0370-01A

Permissible axle displacement

*BE40.20-B-1002-19A

If the values are not within tolerances, measure the chassis of the vehicle:

With string device

AR31.30-B-0045A

9

Check the axles for parallelism deviation

Optical measuring

AR40.20-B-0200-06B

Approximate mechanical measuring

AR40.20-B-0200-06C

Parallelism of the axles

*BE40.20-B-1004-19A

Permissible axle inclination

*BE40.20-B-1005-19A

If the values are not within tolerances, measure the chassis of the vehicle:

With string device

AR31.30-B-0045A

10

Checking the front wheels straight forward position, adjust

AR40.20-B-0100-02A

Número

Denominação

Chassis 634.081

BE40.20-B-1001-08E

Maximum steering angle

First axle - Outer wheel (right)

degrees

42°

Inner wheel (left)

degrees

50° (-2°)

Second axle - Outer wheel (right)

degrees

36°

Inner wheel (left)

degrees

41° (-2°)

Número

Denominação

Chassis 382.153/154/157, 382.175/176/177; 382.178/184/185, 382.186/188, 634.001/011/061, 634.071/081

BE40.20-B-1001-11B

Camber

degrees

1° (30')

BE40.20-B-1002-11B

Kingpin inclination

degrees

5° (30')

BE40.20-B-1003-11B

Caster

Loaded vehicle

degrees

2° (30')

BE40.20-B-1004-11B

Wheel alignment

mm

0 (0,5)

BE40.20-B-1005-11B

Difference in steering angle at a 20-degree angle

degrees

-

Número

Denominação

Chassis 634.081

BE40.20-B-1002-19A

Admissible lateral displacement of the front axle and rear axle

between the axle and the center of the chassis

mm

5

between the front axle and the rear axle

mm

10

BE40.20-B-1004-19A

Parallelism of the axles

between the front axle and the rear axle

degrees

0°15'

between the rear axles

degrees

0°10'

BE40.20-B-1005-19A

Admissible inclination of the axles

degrees

-

Número

Denominação

Chassis 382.1; 634.0

BA46.40-B-1001-06B

Lock nut of track rod ball joints

M14x1.5

Nm

-

M18x1.5

Nm

170...185

M20x1.5

Nm

235...250

M24x1.5

Nm

280...300

M27x1.5

Nm

-

BA46.40-B-1002-06B

Track rod terminal clamp

M10x1 - steel 8.8

Nm

45...55

M12x1.5 - DIN 960

Nm

75...85

M12x1.5 - MBN10105

Nm

100...110

M14x1.5

Nm

-