DAF 95XF. Manual - part 106

0

6

Brake system

TECHNICAL DATA

1-7

DOUBLE CHECK/RELAY VALVE

Design
Make: Wabco 973 011 205 0
Fitted with internal filter and silencer

0

1

2

3

4

5

6

7

8

9

10

1

2

3

4

5

6

7

8

9

10

P

2

 

(bar)

P

41/42 

(bar)

  =

0.2

0.3

±

0.15

10

±

0.3

8.3

±

0.2

P

42 

≤ 41

P

41 = 0 bar

R 600084

(SEMI-)TRAILER REACTION VALVE

Design
Make: Wabco 973 009 300 0

Advance
Input pressure:

3 bar

Output pressure:

3 bar

(comes down to 0.6 bar advance =
manufacturer’s setting)

Advance adjustment
Adjusting bolt (cross head type)
Turning clockwise, advance is decreased
Turning counterclockwise, advance is increased

Explanation of graph
A

Curve of failure in circuit 1

B

Curve of intact circuit 1 and circuit 2, or
failure in circuit 2

C

Advance adjustment phase

0

1

2

3

4

5

6

7

8

9

10

1

2

3

4

5

6

7

8

P

22

 

(bar)

P

41/42 

(bar)

R 600126

A

B

C

C

P

11/12 =   

8 bar

P

41/42 = 

10 bar

P

43      =   

8 bar

0

1

2

3

4

5

6

7

1

2

3

4

5

6

7

P

22

 

(bar)

P

43 

(bar)

R 600127

P

11/12 = 

8 bar

ǹ 0006

6

TECHNICAL DATA

Brake system

1-8

Design
Make: Knorr AC 599 A

Advance
Input pressure:

3 bar

Output pressure:

3 bar

(comes down to 0.6 bar advance =
manufacturer’s setting)

Advance adjustment
Adjusting bolt (Phillips type)
Turning clockwise, advance is increased
Turning counterclockwise, advance is decreased

Explanation of graph
B

Curve of intact circuit 1 and circuit 2, or
failure in circuit 1 or circuit 2

C

Advance adjustment phase

0

1

2

3

4

5

6

7

8

9

1

P41/42(bar)

P22(bar)

R600333

2

3

4

5

6

8,6

7

8

9

10

B

C

<0,35

C

2,2 

0,2
0

+

P11/12 = 8bar

P43 = 8bar

0

1

2

3

4

5

6

7

8

9

1

P43(bar)

P22(bar)

R600332

2

3

4

5

6

6,3

7

8

9

P11/12 = 8bar

7,3

PRESSURE-LIMITING VALVE WITH INTEGRATED NON-RETURN VALVE

Design
Make:

Wabco 475 010 400 0

Setting

8.0 bar

0

ǹ 0006

00

6

Brake system

TECHNICAL DATA

1-9

PARKING-BRAKE VALVE WITH (SEMI-)TRAILER CONNECTION

Design
Make: Wabco 961 723 130 0

Knorr DPM90DA
Knorr DPM93DA (without test position)

Max. output pressure
in driving position

approx. 8 bar

P1 = 8 bar

6.5

8

+0.7

0

0

73

° 85°

°

P(bar)

22

21

R 600099

56

°

10

°

65

°

FOUR-CIRCUIT SAFETY VALVE

Version without circuit 3 reverse flow
function
Make:

Knorr AE 4437-lI/17189

Opening pressure of circuits 1, 2 and 4

approx 6.5 bar

Opening pressure of circuit 3

approx 67.3 bar

Static closing pressure, all circuits

≥ 4.5 bar

Version with circuit 3 reverse flow function
Make:

Knorr AE 4610-ll/37462

Opening pressure of circuits 1, 2 and 4

approx 6.5 bar

Opening pressure of circuit 3

approx 7.3 bar

Static closing pressure, all circuits

≥ 4.5 bar

Start reverse flow circuit 3

pressure circuit 1

< approx. 4 bar

SAFETY VALVE

Design
Make:

Voss 0 268 874 200

Opening pressure

approx. 16 bar

ǹ 0006

6

TECHNICAL DATA

Brake system

1-10

AIR DRYER

BOSCH design
Type:

RB 0484 460 195

Cut-out pressure of pressure regulator

9.8

 0.2 bar

Cut-in pressure of pressure regulator

8.6 - 9 bar

Cut-in temperature heating element

1

_C

Cut-out temperature heating element

approx 22

_C

KNORR design
Type:

LA 8284-II/37663

Cut-out pressure of pressure regulator

approx 9.8 bar

Cut-in pressure of pressure regulator

approx 8.8 bar

Cut-in temperature heating element

approx 7

_C

Cut-out temperature heating element

approx 29

_C

AUTOMATIC SLACK ADJUSTER

Design
Make:

Haldex

Basic brake travel

35 - 40 mm

Reverse torque adjusting bolt

> 18 Nm

Axial play on brake camshaft

0.5 - 1 mm

0

ǹ 0006

0