Check and adjust camber and caster at front axle

AR40.20-S-0322A

Check and adjust camber and caster at front axle

17.5.10



Checking

1

Check camber of front wheels

*BE40.20-N-1001-13A

2

Check caster of front wheels

 The front wheel caster is specified by the design. The value depends on the set camber.

Caster specified values

AR40.20-S-0200-01A

Adjust

3

Release cam bolt (1) from suspension strut (2), adjust camber by turning the cam bolt (1)



*BA32.25-N-1001-04A

 If the camber specified value cannot be set and/or the caster value is not in the permissible range 

Check transverse control arm, steering knuckle and the body for signs of accident damage, as well as the supporting and upper ball joints for signs of wear.

Number

Designation

Model
638.2

Model
638.0/1 with code CL0 (air suspension)

Model
638 without CODE CL0 (air suspension) with level rear axle
356 mm

BE40.20-N-1001-02A

Caster specified values through front wheel steering angle

Level of front axle

413 mm

0°39'  10'

0°39'  10'

1° 25'

423 mm

0°47'  10'

0°47'  10'

1° 33'

433 mm

0°54'  10'

0°54'  10'

1° 40'

443 mm

1°02'  10'

1°02'  10'

1° 48'

453 mm

1°09'  10'

1°09'  10'

1° 55'

463 mm

1°17'  10'

1°17'  10'

2° 03'

473 mm

1°24'  10'

1°24'  10'

2° 10'

483 mm

1°32'  10'

1°32'  10'

2° 18'

493 mm

1°39'  10'

1°39'  10'

2° 25'

503 mm

1°47'  10'

1°47'  10'

2° 33'

513 mm

1°54'  10'

1°54'  10'

2° 40'

523 mm

2°02'  10'

2°02'  10'

2° 48'

528 mm

2°06'  10'

2°06'  10'

2° 51'

Number

Designation

Model
638 without CODE CL0 (air suspension) with level rear axle
366 mm

Model
638 without CODE CL0 (air suspension) with level rear axle
376 mm

Model
638 without CODE CL0 (air suspension) with level rear axle
386 mm

BE40.20-N-1001-02A

Caster specified values through front wheel steering angle

Level of front axle

413 mm

1° 14'

1° 02'

0° 51'

423 mm

1° 21'

1° 10'

0° 58'

433 mm

1° 29'

1° 17'

1° 06'

443 mm

1° 36'

1° 25'

1° 13'

453 mm

1° 44'

1° 32'

1° 21'

463 mm

1° 51'

1° 40'

1° 28'

473 mm

1° 59'

1° 47'

1° 36'

483 mm

2° 06'

1° 55'

1° 43'

493 mm

2° 14'

2° 02'

1° 51'

503 mm

2° 21'

2° 10'

1° 58'

513 mm

2° 29'

2° 17'

2° 06'

523 mm

2° 36'

2° 25'

2° 13'

528 mm

2° 40'

2° 28'

2° 17'

Number

Designation

Model
638 without CODE CL0 (air suspension) with level rear axle
396 mm

Model
638 without CODE CL0 (air suspension) with level rear axle
406 mm

Model
638 without CODE CL0 (air suspension) with level rear axle
416 mm

BE40.20-N-1001-02A

Caster specified values through front wheel steering angle

Level of front axle

413 mm

0° 40'

0° 28'

0° 17'

423 mm

0° 47'

0° 36'

0° 24'

433 mm

0° 54'

0° 43'

0° 32'

443 mm

1° 02'

0° 50'

0° 39'

453 mm

1° 09'

0° 58'

0° 47'

463 mm

1° 17'

1° 05'

0° 54'

473 mm

1° 24'

1° 13'

1° 01'

483 mm

1° 32'

1° 20'

1° 09'

493 mm

1° 39'

1° 28'

1° 16'

503 mm

1° 47'

1° 35'

1° 24'

513 mm

1° 54'

1° 43'

1° 31'

523 mm

2° 02'

1° 50'

1° 39'

528 mm

2° 05'

1° 54'

1° 43'

Number

Designation

Model
638 without CODE CL0 (air suspension) with level rear axle
426 mm

Model
638 without CODE CL0 (air suspension) with level rear axle
436 mm

Model
638 without CODE CL0 (air suspension) with level rear axle
446 mm

BE40.20-N-1001-02A

Caster specified values through front wheel steering angle

Level of front axle

413 mm

0° 05'

-0° 05'

-0° 17'

423 mm

0° 13'

0° 01'

-0° 09'

433 mm

0° 20'

0° 09'

-0° 02'

443 mm

0° 28'

0° 16'

0° 05'

453 mm

0° 35'

0° 24'

0° 12'

463 mm

0° 43'

0° 31'

0° 20'

473 mm

0° 50'

0° 39'

0° 27'

483 mm

0° 57'

0° 46'

0° 35'

493 mm

1° 05'

0° 53'

0° 42'

503 mm

1° 12'

1° 01'

0° 50'

513 mm

1° 20'

1° 08'

0° 57'

523 mm

1° 27'

1° 16'

1° 04'

528 mm

1° 31'

1° 20'

1° 08'

Number

Designation

Model
638 without CODE CL0 (air suspension) with level rear axle
456 mm

BE40.20-N-1001-02A

Caster specified values through front wheel steering angle

Level of front axle

413 mm

-0° 28'

423 mm

-0° 21'

433 mm

-0° 13'

443 mm

-0° 06'

453 mm

0° 01'

463 mm

0° 08'

473 mm

0° 16'

483 mm

0° 23'

493 mm

0° 31'

503 mm

0° 38'

513 mm

0° 46'

523 mm

0° 53'

528 mm

0° 57'

Number

Designation

Model 638.0/1

Model 638.2

BE40.20-N-1001-13A

Front wheel camber when level

413 mm

°

-0° 37'10'

-0° 30'10'

423 mm

°

-0° 29'10'

-0° 20'10'

433 mm

°

-0° 20'10'

-0° 11'10'

443 mm

°

-0° 10'10'

-0° 01'10'

453 mm

°

0°10'

0 ° 09 ' 10 '

463 mm

°

0 ° 09 ' 10 '

0 ° 20 ' 10 '

473 mm

°

0 ° 21 ' 10 '

0 ° 31 ' 10 '

483 mm

°

0 ° 33 ' 10 '

0 ° 44 ' 10 '

493 mm

°

0 ° 47 ' 10 '

0 ° 56 ' 10 '

503 mm

°

1 ° 01 ' 10 '

1 ° 10 ' 10 '

513 mm

°

1 ° 17 ' 10 '

1 ° 24 ' 10 '

523 mm

°

1 ° 35 ' 10 '

1 ° 40 ' 10 '

528 mm

°

1 ° 45 ' 10 '

1 ° 48 ' 10 '

Number

Designation

Model
638

BA32.25-N-1001-04A

Damper strut onto steering knuckle

Cam bolt

Nm

190

Collar bolt

Nm

190