Engines Iveco C10,C13, Cursor 10, Cursor 13. Manual - part 78

8

SECTION 2 - G-DRIVE APPLICATION

CURSOR ENGINES G-DRIVE

Base - May 2007

Type

F3A

Type

mm

1

X

X

1

2

X

X1

3.620 to 2.640

X

3

2

X

Piston ring grooves

X2

1.550 to 1.570

3

X

X3

4.020 to 4.040

Piston rings:
trapezoidal seal

S1

2.500

1
2

S
S

p

lune seal

S2

ill d

i

2.500

1.470 to 1.500

3

2

S

S

milled scraper ring
with slits and internal
spring

S3

3.970 to 3.990

spring

S3

3.970 to 3.990

1

0.120 to 0.140

Piston rings - grooves

2

0.050 to 0.100

3

0.030 to 0.070

Piston rings

-

X1

2

X

Piston ring end gap
in cylinder liners

3

2

X

X

X1

0.35 to 0.50

3

X

X2

0.60 to 0.75

X3

0.35 to 0.65

1

∅

Small end bush housing

Ø1

54.000 to 54.030

∅ 2

Big end bearing
housing

Ø2

1

Selection classes

2
3

{

87.000 to 87.030

87.000 to 87.010
87.011 to 87.020
87.021 to 87.030

∅4

Small end bush diameter

∅3

outside

∅4

54.085 to 54.110

∅3

inside

∅3

50.019 to 50.035

S

Big end bearing shell

S

Red
Green
Yellow D

1.970 to 1.980
1.981 to 1.990
1.991 to 2.000

Small end bush - housing

0.055 to 0.110

Piston pin - bush

0.019 to 0.041

Big end bearing

0.127 - 0.254 - 0.508

Connecting rod weight

A

g. 3973 to 4003

Connecting rod weight

A

g. 3973 to 4003

Class

B

g. 4004 to 4034

C

g. 4035 to 4065

D

Fitted in production only and not supplied as spares

9

CURSOR ENGINES G-DRIVE

SECTION 2 - G-DRIVE APPLICATION

Base - May 2007

F3A

Type

mm

X

Measuring dimension

X

125

Max. connecting rod
axis misalignment
tolerance

0.08

1

2

∅

∅

1

2

Main journals

∅1

- nominal
- class

1

- class

2

- class

3

Crankpins

∅2

- nominal
- class

1

- class

2

- class

3

92.970 to 93.000
92.970 to 92.979
92.980 to 92.989
92.990 to 93.000

82.970 to 83.000
82.970 to 82.979
82.980 to 82.989
82.990 to 83.000

S 1

S 2

Main bearing shells

S1

Red
Green
Yellow*

2.965 to 2.974
2.975 to 2.984
2.985 to 2.995

Big end bearing shells

S2

Red
Green
Yellow*

1.970 to 1.980
1.981 to 1.990
1.991 to 2.000

3

∅

Main bearing housings

∅3

- nominal
- class

1

- class

2

- class

3

99.000 to 99.030
99.000 to 99.009
99.010 to 99.019
99.020 to 99.030

Bearing shells -
main journals

0.050 to 0.090

Bearing shells -
big ends

0.040 to 0.080

Main bearing shells

0.127 - 2.254 - 0.508

Big end bearing shells

0.127 - 2.254 - 0.508

X1

Main journal,
thrust bearing

X1

45.95 to 46.00

X2

Main bearing housing,
thrust bearing

X2

38.94 to 38.99

X 3

Thrust washer
halves

X3

3.38 to 3.43

Crankshaft end float

0.10 to 0.30

1

2

Alignment

1 - 2

Ovalization

1 - 2

Taper

1 - 2

≤ 0.025

-

0.010

0.010

*

Fitted in production only and not supplied as spares

10

SECTION 2 - G-DRIVE APPLICATION

CURSOR ENGINES G-DRIVE

Base - May 2007

F3A

CYLINDER HEAD - VALVE TRAIN

mm

∅ 1

Valve guide housings
in cylinder head

∅1

14.980 to 14.997

2

∅

Valve guide

∅2

9.015 to 9.030

∅ 3

Valve guide

∅2

∅3

15.012 to 15.025

Valve guides - housings
in the cylinder heads

0.015 to 0.045

Valve guide

0.2 - 0.4

∅ 4

Valves:

∅4

α

8.960 to 8.975

60

° 30′ ± 7′ 30″

α

∅4

α

8.960 to 8.975

45

° 30’ ± 7′ 30″

Valve stem and its guide

0.040 to 0.070

Valve seat in
head

head

∅1

44.185 to 44.220

∅ 1

∅1

∅1

42.985 to 43.020

Outside diameter of valve

2

∅

Outside diameter of valve
seat; angle of valve seat
in cylinder head:

∅2

44.260 to 44.275

∅2

α

60

° - 30’

α

∅2

43.060 to 43.075

∅2

α

45

° - 30′

X

Recessing of valve

0.65 to 0.95

X

Recessing of valve

X

1.8 to 2.1

Between valve

Between valve
seat and head

0.040 to 0.090

0.040 to 0.090

11

CURSOR ENGINES G-DRIVE

SECTION 2 - G-DRIVE APPLICATION

Base - May 2007

Type

F3A

Type

mm

Valve spring height:

free height

H

75

H

H 1

2

under a load of:

H 1

H 2 N 500 ±25

H1

61

N 972

±48

H2

47.8

X

Injector protrusion

X

0.14 to 1.4

∅

∅

∅

Camshaft bushing housing
in the cylinder head:
1

⇒ 7

Ø

88.000 to 88.030

∅

∅

∅

1

2

3

Camshaft bearing
journals:
1

⇒ 7

Ø

82.950 to 82.968

∅

Outer diameter of
camshaft bushings:

∅

88.153 to 88.183

∅

Inner diameter of
camshaft bushings:

∅

83.018 to 83.085

Bushings and housings
in the cylinder head

0.123 to 0.183

Bushings and bearing
journals

0.050 to 0.135

Cam lift:

9.30

H

9.45

11.21

∅ 1

Rocker shaft

∅1

41.984 to 42.000