Iveco EuroCargo (12 to 26 t). Manual - part 8

E

URO

C

ARGO

T

ECTOR

12-26 t

22

ENGINE F4 AE 0481

Base - February 2003

F4AE0481A

(.17)

SUPERCHARGER

Turbosupercharger type

With intercooler

GARRETT GT 22

Turbosupercharger shaft radial backlash
Turbosupercharger shaft end play
Pressure relief valve min. opening stroke:

mm

Pressure relief valve max. opening stroke:

mm

Pressure corresponding to min. stroke:

bar

Pressure corresponding to max. stroke:

bar

-
-

-

-
-
-

LUBRICATION

Forced by gear pump , pressure relief valve, double

stage oil filter

bar

Oil pressure with warm
engine:
- idling

bar

- peak rpm

bar

1.2
3.8

COOLING

By centrifugal pump, regulating

thermostat, radiator, heat exchanger,

intercooler

Water pump control

Through belt

Thermostat
- start of opening
- maximum opening

81

± 2º C

96º C

Urania Turbo
Urania LD5

FILLING
Total capacity
1

st

filling:

liters
kg

-
-

- engine sump

liters
kg

Min. level.

5.3
4.8

Max. level

8.3
7.5

- engine sump + filter

liters

kg

6.3

5.7

9.3

8.4

E

URO

C

ARGO

T

ECTOR

12-26 t

ENGINE F4 AE 0481

23

Base - February 2003

F4AE0481A

(.17)

TIMING

start before T.D.C.

A

end after B.D.C.

B

8.5º
8.5º

start before T.D.C.

D

end after B.D.C.

C

51º

12.5º

X

Checking timing

mm

X

mm

Checking operation

mm

X

mm

-

-

0.20

÷ 0.30

0.46

÷ 0.56

FUEL FEED

Injection
Type:

Bosch

high pressure common rail

EDC7 ECU

Nozzle type

Injectors

Injection sequence

1 - 3 - 4 - 2

bar

Injection pressure

bar

250 - 1450

E

URO

C

ARGO

T

ECTOR

12-26 t

24

ENGINE F4 AE 0481

Base - February 2003

Type

F4AE0481A

(.17)

CYLINDER UNIT AND CRANKSHAFT COMPONENTS

mm

∅1

X

Cylinder barrels

∅1

102.009

÷ 102.031

∅1

X

∅2

Spare pistons
type:
Size

X

Outside diameter

∅ 1

Pin housing

∅ 2

60,5

101.781

÷ 101.799

40.008

÷ 40.014

Piston — cylinder barrels

0.116

÷ 0.134

Piston diameter

∅ 1

0.5

X

Piston protrusion

X

0.28

÷ 0.52

3

∅

Piston pin

∅ 3

39.9938

÷ 40.0002

Piston pin — pin housing

0.0078

÷ 0.0202

E

URO

C

ARGO

T

ECTOR

12-26 t

ENGINE F4 AE 0481

25

Base - February 2003

F4AE0481A

(.17)

CYLINDER UNIT AND CRANKSHAFT COMPONENTS

mm

X

1

3

2

X

X

X1*

Split ring slots

X 2
X 3

2.705

÷ 2.735

2.420

÷ 2.440

4.020

÷ 4.040

1

3

2

S

S

S

S 1*

Split rings

S 2
S 3

* measured on 98 mm

∅

2.560

÷ 2.605

2.350

÷ 2.380

3.975

÷ 4.000

1

Split rings - slots

2
3

0.100

÷ 0.175

0.040

÷ 0.90

0.020

÷ 0.065

Split rings

0.5

X1

3

2

X

X

Split ring end opening
in cylinder barrel:

X 1
X 2
X 3

030

÷ 0.40

0.60

÷ 0.80

0.25

÷ 0.55

1

∅

∅ 2

Small end bush
housing

∅ 1

Big end bearing
housing

∅ 2

42.987

÷ 43.013

72.987

÷ 73.013

∅

S

∅4

3

Small end bush diameter
Outside

∅ 4

Inside

∅ 3

Spare big end half
bearings

S

43.279

÷ 43.553

40.019

÷ 40.033

1.955

÷ 1.968

Small end bush — housing

0.266

÷ 0.566

Piston pin — bush

0.0188

÷ 0.0392

Big end half bearings

0.250

÷ 0.500