Iveco EuroCargo (12 to 26 t). Manual — part 177

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12-26 t

PNEUMATIC SYSTEM - BRAKES

53

Base - February 2003

DENOMINATION

CHARACTERISTICS

Compressor

- Type: KNORR

Single-cylinder

Displacement

225 cm

3

- Type: KNORR

Single-cylinder

Displacement

359 cm

3 (*)

(*) series-production on Full Pneumatic models - Optional on the other models

A.P.U. (drier/4 ways)

- Type: KNORR LA 8104/5/6/7

Drier

Disconnection pressure

11.0

± 0.2 bar

Connection/disconnection pressure difference

0.7 + 0.6 bar

Safety valve opening pressure

13.0 + 4.0 bar

Heat resistance

max + 100

° C

Operating temperature

-40

° C ÷ +80° C

Supply voltage

24 V

Power

100W 24V

4-way protection valve

Opening pressure section 21-22

Opening pressure section 23-24

Closing pressure section 21-22

Closing pressure section 23-24

≥ 7.5 bar
≤ 8.0 bar

6.5

± 0.25 bar

≥ 6.5 bar

A.P.U. (drier/4 ways) (for vehicles RS)

- Type: KNORR LA 8219/LA8220 - BOSCH 484460166/484460167

Drier

Disconnection pressure

11.0

± 0.2 bar

Connection/disconnection pressure difference

0.7 + 0.7 bar

Safety valve opening pressure

15.5

± 2 bar

Heat resistance

max + 80

° C

Operating temperature

-40

° C ÷ +65° C

Supply voltage

24 V

Power

100W 24V

4-way protection valve

- Type: MARELLI VPS45A - WABCO 9347140190

Opening pressure section 21-22

Opening pressure section 23-24

Closing pressure section 21-22

Closing pressure section 23-24

≤ 7.5 bar

≥ 7.5

bar

6.5

bar

6.5

bar

+1
-0

+1
-0

+0.5
+0.2

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12-26 t

54

PNEUMATIC SYSTEM - BRAKES

Base - February 2003

CHARACTERISTICS

Air tanks

Front axle

15 l

Rear axle

15 l

Trailer + parking (for vehicles adapted for towing)

20 l

Front axle (for vehicles adapted for towing and Models 180E..)

20 l

Rear axle (for vehicles adapted for towing and Models 180E..)

20 l

Manual discharge valve

- Type: VOSS 520 899 750 0

Maximum pressure

13 bar

- Type: TECKNOMATIK - TP 1609.00.00

Maximum pressure

13 bar

Safety valve

Calibration for models with mechanical suspension (optional)

12

± 1.2 bar

Calibration for models with pneumatic suspension (optional)

12

± 1.2 bar

Duplex distributor

- Type: KNORR DX 65 A - DX 65 B

Supply pressure

11

± 0.2 bar

Self-limiting pressure

7.6

± 0.3 bar

Pressure reducer (for vehicles adapted for towing)

- Type: BENDIX HVSI AC 156 B

Supply pressure

18 bar (max)

Output pressure

8.5

bar

+0
-0.4

Safety valve opening

10

± 0.5 bar

- Type: WABCO 475 015 0310

Supply pressure

11 bar

Output pressure

8.5

bar

+0
-0.4

Safety valve opening

11 bar (max)

Relay valve

- Type: KNORR AC 574 AXY

10 + 0.2 bar

Maximum operating pressure

-40

° ÷ 40°C

Check valve

Maximum operating pressure

20 bar

Parking brake distributor (single vehicles)

- Type: KNORR BREMSE DFR0208A

Supply pressure

11 bar

Operating pressure

7.5 bar

Control lever excursion (discharging) with safety braking start (resistance point)

67

°

Parking braking

73

°

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12-26 t

PNEUMATIC SYSTEM - BRAKES

55

Base - February 2003

CHARACTERISTICS

Parking brake distributor (vehicles adapted for towing)

- Type: KNORR - BREMSE DPM 90 EY

Supply and operating pressure

8.5 bar

Control lever excursion (discharging) with safety braking start (resistance point)

67

°

Parking braking

73

°

Control braking for supply check to trailer braking modulated servodistributor

86

°

Parking brake safety distributor (upon request)

- Type: WABCO 434 205 0300

Maximum operating pressure

11 bar

Cylinder pressure (under which the supply is blocked)

4

bar

+ 0
-

0.6

Quick discharge valve

- Type: BENDIX HVSI KX 1294/2 - WABCO 973 500 006 0

Max. operating pressure

10 bar

Triple-control servodistributor (for vehicles adapted for towing)

- Type: KNORR - BREMSE AC 597 B

Operating pressure

8.5 bar

Predominance

0.2 bar

Distributor intervention differential pressure (ducts 41-42)

2.5

bar

+ 0.5
-

0.3

Maximum allowed pressure

12 bar

Moderate and automatic coupling heads

- Type: BOSCH - KNORR - WABCO - ISO

Operating pressure

7.5 bar

Pressure control plug valve

- Type: RAUFOSS 623.7770 - FER.NA F103 087

Max. operating pressure

12.5 bar

Membrane brake cylinder (for front axles - models 110 EL.. - 120 EL..)

- Type 22: WABCO 423 110 711 0

Max. operating pressure

10 bar

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12-26 t

56

PNEUMATIC SYSTEM - BRAKES

Base - February 2003

CHARACTERISTICS

Membrane brake cylinder (for front axles - models 120 E.. - 130 E..)

- Type 14: KNORR IC 72563

Max. operating pressure

10.7 bar

- Type 16: KNORR IC 72565

Max. operating pressure

10.7 bar

- Type 18: KNORR IC 72231

Max. operating pressure

10.7 bar

- Type 20: KNORR IC 72233

Max. operating pressure

10.7 bar

Membrane brake cylinder (for front axles - models 150 E..)

- Type 20: KNORR IC 72233

Max. operating pressure

10.7 bar

- Type 22: KNORR IC 72235

Max. operating pressure

10.7 bar

Membrane brake cylinder (for front axles - models 180 E..)

- Type 24: KNORR IC 72237

Max. operating pressure

10.7 bar

Membrane brake cylinder (for front axles - models 260 E..)

- Type 24: KNORR IC 72237

Max. operating pressure

10.7 bar

Combined brake cylinder (for rear axles - models 110 EL.. - 120 EL..)

- Type 16/16: WABCO 925 424 839 0

Max service brake operating pressure

10 bar

Max. parking brake operating pressure

8.5 bar

Spring load

6500 N

Combined brake cylinder (for rear axles - models 120 E.. - 130 E..)

- Type 16/27: KNORR - BREMSE BS 8317/BS 8316

Stroke

57 mm