DAF CF65, CF75, CF85 Series . Manual - part 866

 

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DAF CF65, CF75, CF85 Series . Manual - part 866

 

 

©

 200423

1-5

Brake system and components

TECHNICAL DATA

ΧΦ65/75/85 series

6

0

Foot brake valve
Type

Load sensing valve, leaf suspension
Characteristic

R600542

Inshot 0.2

–0.1

 

260

220

180

140

100

60

20

1

2

3

4

5

6

7

8

9

10

11

380–20N

p21/22 [bar]

3 4 5 6 7 8 9 10 11 12 13 14

N

Stroke (mm)

21

22

1 2

0

P22 (P11=0)

Make: Knorr DX 61A
Pressure difference between 
circuits 1 and 2

0.25 bar

Actuating pressure difference 
between circuits 1 and 2

0.2 bar

Connection 11

circuit 1 supply

Connection 12

circuit 2 supply

Connection 21

circuit 1 braking pressure

Connection 22

circuit 2 braking pressure

R600704

TECHNICAL DATA

1-6

©

 200423

Brake system and components

0

ΧΦ65/75/85 series

6

Load sensing valve, air suspension
Characteristic

Brake light switch

Type

Note:
If the vehicle has EBS, the brake light switch is 
located in the foot brake valve.

Low pressure switch

Brake drum design

Disc brake design

1

0

0.6

–0.2

1

2

3

4

5

6

7

8

9

10

2

3

4

5

6

7

8

9

10

R600705

p41
p42

= 4.65 bar

p41
p42

= 3 bar

p41
p42

= 0.3 bar

p4 [bar]

p2 [bar]

1:1

Make: Messmer 131 733
Cut-in pressure, brake light switch (make contact)

0.4 - 0.6 bar

Make: Wabco 441 014 ...
Cut-out pressure (break contact)

4.7 - 5.7 bar

Make: Wabco 441 014 ...
Cut-out pressure (break contact)

6.1 - 7.1 bar

©

 200423

1-7

Brake system and components

TECHNICAL DATA

ΧΦ65/75/85 series

6

0

Empty/load relay valve
Type

Fitted with internal filter and silencer

Type

Fitted with internal filter and silencer

0

1

2

3

4

5

6

7

8

9

10

1

0,25 

P41(bar)

P2(bar)

R600328

2

3

4

5

6

7

8

9

10

0,1

+

P

42 

= P

41

P

42 

= 0

1:1.5

Make: Wabco 973 011 106
Maximum reduction ratio

1 : 1.5

Actuating pressure

0.25 bar

Application:

FAT vehicle

0

1

2

3

4

5

6

7

8

9

10

1

0,25 

P41(bar)

P2(bar)

R600330

2

3

4

5

6

7

8

9

10

0,1

+

P

42 

= P

41

P

42 

= 0

1:2.7

Make: Wabco 973 011 107
Maximum reduction ratio

1 : 2.7

Actuating pressure

0.25 bar

Application:

FAD vehicle
FAC vehicle
FAX vehicle
FAL vehicle

TECHNICAL DATA

1-8

©

 200423

Brake system and components

0

ΧΦ65/75/85 series

6

Relay valve
Version for parking brake
Make: Knorr AC 577A
Fitted with silencer

Relay valve
Version for service brake
Make: Wabco 973 011 009
Fitted with internal filter and silencer

1

0

2

3

4

5

6

7

8

9

1

2

3

4

5

6

7

8

9

P

2

 

(bar)

P

(bar)

R 600363

1

0

2

3

4

5

6

7

8

9

10

1

2

3

4

5

6

7

8

9

8,9

10

P

2

 

(bar)

P

(bar)

R 600602

0

-0,2

0,5

–0,1

 

 

 

 

 

 

 

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