Check/adjust automatic load-dependent brake (ALB)

AR42.80-B-0050TB

Check/adjust automatic load-dependent brake (ALB)

12.02.16



Test

1

Determine the rear axle load

Except vehicles with wheel arrangement 6x2.

AR42.80-B-0060TA

Vehicles with wheel arrangement 6x2.

AR42.80-B-0060TB

2

Connect the test box

AR42.80-B-0050-01TB



*360589002100

3

Fill up the compressed air tank with an outer supply

Fill up until  9 bar.

AR42.60-B-0070TA

4

Note the mentioned test values in ALB plate

Chassis 958.2

*BE42.80-B-1001-01G

*BE42.80-B-1002-01G

*BE42.80-B-1003-01G

Chassis 958.4

*BE42.80-B-1001-01H

*BE42.80-B-1002-01H

*BE42.80-B-1003-01H

5

Carry out a test with no load

AR42.80-B-0050-02TB



*360589002100

If the indicated pressure in ALB plate has not been reached:



Adjust the pressure in brake pressure regulator rod (4).

 Increase in brake pressure regulator rod (4) results in an increase of pressure.

Decrease in brake pressure regulator rod (4) results in a decrease of pressure.

6

Carry out a half load test

AR42.80-B-0050-03TB



*360589002100

7

Carry out a full load test

AR42.80-B-0050-04TB



*360589002100

8

Check the mechanical command in service brake valve

AR42.80-B-0050-06A



*360589002100

Número

Denominação

Chassis 958.207 with rear spring A 943 320 02 08

Chassis 958.260/264 with rear spring A 958 320 16 05

BE42.80-B-1001-01G

Pressure for the regulator test (ALB)

bar

8.0

8.0

BE42.80-B-1002-01G

Output pressure (portico 2) and the rod travel according to the load on the rear axle

2180

bar

2.9

-

mm

113.1

-

3000

bar

4.0

-

mm

99.7

-

4000

bar

5.1

-

mm

83.3

-

4800

bar

-

2.9

mm

-

44.55

5000

bar

6.5

-

mm

66.9

-

6000

bar

8.0

3.9

mm

52.4

41.58

6500

bar

8.2

-

mm

48.7

-

8000

bar

-

6.2

mm

-

33.92

10000

bar

-

6.9

mm

-

31.74

10000...13000

bar

8.2

-

mm

15-0

-

12000

bar

-

7.6

mm

-

29.88

15000

bar

-

8.2

mm

-

27.86

15000...26000

bar

-

-

mm

-

-

15000...27000

bar

-

8.2

mm

-

27.86-0

BE42.80-B-1003-01G

Rod length (adjustment)

mm

235

60

Número

Denominação

Chassis 958.260/264 with rear spring A 958 320 02 05

BE42.80-B-1001-01G

Pressure for the regulator test (ALB)

bar

8.0

BE42.80-B-1002-01G

Output pressure (portico 2) and the rod travel according to the load on the rear axle

2180

bar

-

mm

-

3000

bar

-

mm

-

4000

bar

-

mm

-

4800

bar

2.9

mm

54.50

5000

bar

-

mm

-

6000

bar

3.5

mm

51.80

6500

bar

-

mm

-

8000

bar

4.4

mm

48.00

10000

bar

5.3

mm

43.89

10000...13000

bar

-

mm

-

12000

bar

6.2

mm

39.78

15000

bar

8.2

mm

30.85

15000...26000

bar

8.2

mm

30.85-0

15000...27000

bar

-

mm

-

BE42.80-B-1003-01G

Rod length (adjustment)

mm

85

Número

Denominação

Chassis 958.431/433 with rear spring A 943 320 03 08

Chassis 958.451 with rear spring A 948 320 17 05

BE42.80-B-1001-01H

Pressure for the regulator test (ALB)

bar

8,0

8,0

BE42.80-B-1002-01H

Output pressure (port 2) and rod travel according to the load on the rear axle

2368

bar

2,9

-

mm

94,0

-

3000

bar

3,7

-

mm

84,5

-

4000

bar

5,0

-

mm

69,4

-

4800

bar

-

2,9

mm

-

32,9

4850

bar

-

-

mm

-

-

5000

bar

6,3

-

mm

54,2

-

6000

bar

7,5

3,9

mm

39,8

28,6

7000

bar

8,2

-

mm

34,2

-

8000

bar

-

5,5

mm

-

21,5

10000

bar

-

6,8

mm

-

15,9

10000...13000

bar

8,2

-

mm

17-0

-

12000

bar

-

7,6

mm

-

12,6

13500

bar

-

8,2

mm

-

10,0

13500...26000

bar

-

8,2

mm

-

10-0

14000

bar

-

-

mm

-

-

15000

bar

-

-

mm

-

-

15300

bar

-

-

mm

-

-

15000...26000

bar

-

-

mm

-

-

15300...32000

bar

-

-

mm

-

-

BE42.80-B-1003-01H

Rod length (adjustment)

mm

220

85

Número

Denominação

Chassis 958.471 with rear spring A 958 320 05 05

Chassis 958.471/472/478 with rear spring A 958 320 03 05

BE42.80-B-1001-01H

Pressure for the regulator test (ALB)

bar

8,0

8,0

BE42.80-B-1002-01H

Output pressure (port 2) and rod travel according to the load on the rear axle

2368

bar

-

-

mm

-

-

3000

bar

-

-

mm

-

-

4000

bar

-

-

mm

-

-

4800

bar

2,9

-

mm

94,8

-

4850

bar

-

2,9

mm

-

32,4

5000

bar

-

-

mm

-

-

6000

bar

4,2

3,5

mm

84,8

31,0

7000

bar

-

-

mm

-

-

8000

bar

4,9

4,5

mm

78,8

28,6

10000

bar

6,3

5,4

mm

68,8

26,2

10000...13000

bar

-

-

mm

-

-

12000

bar

7,6

6,4

mm

58,9

23,8

13500

bar

-

-

mm

-

-

13500...26000

bar

-

-

mm

-

-

14000

bar

8,1

7,5

mm

55,4

21,4

15000

bar

8,2

-

mm

43,8

-

15300

bar

-

8,2

mm

-

19,8

15000...26000

bar

8,2

-

mm

43,8-0

-

15300...32000

bar

-

8,2

mm

-

19,8-0

BE42.80-B-1003-01H

Rod length (adjustment)

mm

145

52

Número

Denominação

Chassis 958.472/478 with rear spring A 958 320 02 05

BE42.80-B-1001-01H

Pressure for the regulator test (ALB)

bar

8,0

BE42.80-B-1002-01H

Output pressure (port 2) and rod travel according to the load on the rear axle

2368

bar

-

mm

-

3000

bar

-

mm

-

4000

bar

-

mm

-

4800

bar

2,9

mm

43,2

4850

bar

-

mm

-

5000

bar

-

mm

-

6000

bar

3,5

mm

40,8

7000

bar

-

mm

-

8000

bar

4,5

mm

36,7

10000

bar

5,6

mm

32,6

10000...13000

bar

-

mm

-

12000

bar

6,6

mm

28,5

13500

bar

-

mm

-

13500...26000

bar

-

mm

-

14000

bar

7,6

mm

24,5

15000

bar

8,2

mm

22,4

15300

bar

-

mm

-

15000...26000

bar

8,2

mm

22,4-0

15300...32000

bar

-

mm

-

BE42.80-B-1003-01H

Rod length (adjustment)

mm

85