Iveco Daily. Manual - part 68

ENGINES 8140.63

254

D

AILY

Base - May 2004

8140.63.4..

PC/NA

LUBRICATION

Forced feed by gear pump, relief valve, dual action oil filter

bar

Oil pressure,
engine hot

bar

at idling speed

bar

 0.8

at maximum speed

bar

3.5

COOLING

With a centrifuge pump, driven by the crankshaft via a poly-V belt,
thermostat for adjustment, fan with electro-magnetic clutch, radia-
tor.

Thermostat:

starts to open:

79º C

± 2º C

fully open:

110º C

OIL REPLENISHMENT

Total capacity at 1st filling

liters

6.9

kg

6.1

Urania Daily

Quantity at periodical
replacements:

Urania Daily
Urania Turbo
Urania LD 5

- engine sump

liters

5.2

U a a

5

kg

4.6

- engine sump

liters

6.3

kg

5.7

ENGINES 8140.63

255

D

AILY

Base - May 2004

Type

8140.63.4..

PC/NA

CYLINDER BLOCK AND CRANK MECHANISM COMPONENTS

∅1

Bores for cylinder liners

∅ 1

97.39

÷ 97.45*

Cylinder liners:

**

L

outside diameter

∅ 2

97.47

÷ 97.50

∅ 2

length

L

167.00

÷ 167.30

Cylinder liners -
crankcase bores
(negative allowance)

0.02

÷ 0.11

Outside diameter

∅ 2

0.2

∅3

X

Cylinder barrels:
(protrusion from engine
block bottom)

0.005 max

inside diameter

∅ 3

94.402

÷ 94.432

∅1

Pistons: supplied as spare
parts type:

MONDIAL PISTON

X

measuring dimension

X

13

∅2

outside diameter

∅ 1

94.306

÷ 94.320

∅2

pin bore

∅ 2

32.000

÷32.005

Piston - cylinder sleeve

0.082

÷ 0.126

∅1

Pistons: supplied as spare
parts type:

AE GOETZE

X

measuring dimension

X

13

∅2

outside diameter

∅ 1

94.306

÷ 94.320

∅2

pin bore

∅ 2

32.000

÷32.005

Piston - cylinder sleeve

0.082

÷ 0.126

Piston diameter

∅ 1

0.4

X

Pistons protrusion

X

0.75

÷ 1.15

3

∅

Gudgeon pin

∅ 3

31.990

÷ 31.996

Gudgeon pin - pin housing

0.004

÷ 0.015

*

Diameter to be obtained at servicing when fitting spare cylinder barrels.

** Supplied as spare parts.

ENGINES 8140.63

256

D

AILY

Base - May 2004

8140.63.4..

PC/NA

Piston type

MONDIAL PISTON/AE GOETZE

1

X

X1*

2.685

÷ 2.715

X

1

2

X

Piston ring grooves

X2

2.050

÷ 2.070

X

3

2

X

X3

2.540

÷ 2.560

3

X

* measured on

∅ of 91.4 mm

1

S

S 1*

2.568

÷ 2.597

1
2

S
S

Piston rings

S 2

1.970

÷ 1.995

3

2

S

S

S 3

2.470

÷ 2.490

* measured on

∅ of 91.4 mm

1

0.088

÷ 0.147

Piston rings - grooves

2

0.55

÷ 0.100

3

0.05

÷ 0.09

Piston rings

0.4

X1

2

X

Piston ring end gap in cylin-
der liners

3

2

X

X

X1

0.20

÷ 0.35

3

X

X2

0.30

÷ 0.50

X3

0.30

÷ 0.55

1

∅

Small end bush housing

Ø 1

35.460

÷ 35.490

∅ 2

Big end bearing housing *

Ø 2

60.341

÷ 60.348

* spare connecting rod
supplied

∅4

Small end bush diameter

∅

outside

∅ 4

35.570

÷ 35.595

∅3

inside

∅ 3

32.010

÷ 32.020

S

S

Big end bearing shell
supplied as spare parts

S

1.875

÷ 1.884

Small end bush - housing

0.08

÷ 0.135

Piston pin - bush

0.014

÷ 0.03

Piston rings

0.254

÷ 0.508

ENGINES 8140.63

257

D

AILY

Base - May 2004

8140.63.4..

PC/NA

CYLINDER HEADS - VALVE GEAR

∅ 1

Valve guide housings in the
cylinder heads

∅1

12.950

÷ 12.985

2

∅

∅ 2

8.023

÷ 8.038

∅ 3

∅ 2

Valve guide

∅ 3

13.012

÷ 13.025

Valve guides and housings
in the cylinder heads

0.027

÷ 0.075

Valve guide

0.05 - 0.10 - 0.2

∅ 4

Valves:

∅ 4

7.985

÷ 8.000

∅ 4

α

7.985

÷ 8.000

60

° 15′ ± 7′ 30″

∅ 4

7.985

÷ 8.000

α

∅

α

7.985

÷ 8.000

45

° 30′ ± 7′ 30″

Valve stem and its guide

0.023

÷ 0.053

Housing in head for valve
seat

∅1

44.025

÷44.075

∅ 1

∅1

37.380

÷ 37.415

2

∅

Outside diameter of valve
seat; angle of valve seat in

li d

h d

g

cylinder head:

∅ 2

44.145

÷44.160

α

60

° ± 5′

α

∅ 2

37.495

÷ 37.510

∅

α

37.495

÷ 37.510

45

° ± 5′

X

1.15

÷ 1.45

X

Recessing of valve X

1.0

÷ 1.3