Engine International HS 2.8L. Manual - part 23

 

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Engine International HS 2.8L. Manual - part 23

 

 

107

International HS 2.8L

Technical Specifications

8120081 - 05/02 - Service Manual

INTERNATIONAL ENGINES

TECHNICAL SPECIFICATIONS

COMPONENTS: MEASURES, ADJUSTS AND TOLERANCES

ENGINE BLOCK

MILIMETERS

Total height, between finished surfaces

348.28

- 348.46

Cylinder bore, after burnished

93.000

- 93.013

Rugosity, after burnished (CLA)

0.45 

µ

m - 0.70 

µ

m

Burnishing angle

38 - 42°

Shell housing diameter

67.704

- 67.721

Camshaft  bushing housing diameter

49.99

-

50.01

Tappet housing diameter

34.925

- 34.950

MAIN BEARING SHELLS

MILIMETERS

Outer diameter

67.704

- 67.721

Inner diameter, after assembly

63.535

- 63.536

Oversize (0.25 

µ

m)

63.281

- 63.282

Main bearings shells width nr. 1, 2, 3 and 4

24.25

-

24.50

Main bearing shell width nr. 5 (rear)

34.81

-

35.06

Thickness

2.083

-

2.093

Clearance between shell and main journal (diametrical)

0.030

-

0.080

CAMSHAFT GEAR

MILIMETERS

Number of teeth

24

Gear housing diameter

38.030

- 38.075

CAMSHAFT PULLEY

MILIMETERS

Seal ring diameter

56.975

- 57.025

International HS 2.8L

108

Technical Specifications

INTERNATIONAL ENGINES

CRANCKSHAFT

MILIMETERS

Main journals diameter, standard

63.471

- 63.491

Undersize (0.25 mm)

63.217

- 63.237

Main journal length nr. 1 - standard

31.090

- 31.850

Main journal length nr. 2 - standard

34.393

- 34.645

Main journal length nr. 3 - standard

33.275

- 33.325

Main journal length nr. 4 - standard

34.393

- 34.645

Main journal length nr. 5 - standard

44.704

- 44.958

Crankpin diameter - standard

58.725

- 58.745

Undersize (0.25 mm)

58.471

- 58.491

Crankpins length - standard

33.249

- 33.401

Main journals fillets / roller crankpins

3.3

-

3.7

Main journals / crankpins maximum out-of-roundness

0.007

Main journals / crankpins rugosity (CLA)

0.25 

µ

m

Fillets rugosity (CLA)

0.8 

µ

m (*)

Rear flange diameter

99.495

- 99.517

Rear flange width

21.122

- 22.176

Maximum eccentricity - Main journals nr. 1 and 5

supported

Maximum eccentricity - Main journal nr. 3

0.025

Axial clearance

0.05

-

0.15

(*) = up to 45”; in the remaining direction of the ray, in direction to the mirror, rugosity must be 1.6 mm.

CONNECTING ROD

MILIMETERS

Shell housing diameter

62.433

- 62.446

Bushing housing diameter

36.650

- 36.675

Distance between centers (shell housing / connecting rod bushing housing)

175.388 - 175.438

Maximum radial clearance

0.029

Crankshaft axial clearance

0.15

-

0.35

109

International HS 2.8L

Technical Specifications

8120081 - 05/02 - Service Manual

INTERNATIONAL ENGINES

CONNECTING ROD SHELLS

MILIMETERS

Outer diameter (assembled)

62.433

- 62.446

Inner diameter, after assembly

58.779

- 58.780

Thickness

1.827

-

1.833

Oversize (0.25 mm)

1.952

-

1.958

Shells width

24.750

- 25.000

Clearance between shell and main journal (diametrical)

0.025

-

0.076

PISTON

MILIMETERS

Type: Aluminum alloy with combustion camera in the convex head.

Side covering with graphite

0.500

-

0.800

Height, in relation to engine block surface

PISTON PIN

MILIMETERS

Diameter

31.994

- 32.000

PISTON RING

MILIMETERS

Side clearance in the 1st and 2nd grooves, compression

0.050

-

0.090

Side clearance in the 3rd groove, oil ring

0.030

-

0.065

Clearance between ends of the 1st ring, compression

0.400

-

0.600

Clearance between ends of the 2nd ring, compression

0.300

-

0.550

Clearance between ends of the 3rd ring, oil ring

0.300

-

0.550

CAMSHAFT PULLEY

MILIMETERS

Number of teeth

48

Pulley hole bore

30.000

- 30.035

CAMSHAFT

MILIMETERS

Axial clearance

0.100

-

0.200

Bushing diameter

46.812

- 46.825

Camshaft bearing diameter

46.760

- 46.780

CONNECTING ROD BUSHING

MILIMETERS

Outer diameter

36.650

- 36.675

Inner diameter after finish

32.020

- 32.035

Clearance between pin and bushing

0.020

-

0.041

International HS 2.8L

110

Technical Specifications

INTERNATIONAL ENGINES

INTAKE VALVE SEAT

MILIMETERS

Outer diameter

40.490

- 40.505

EXHAUST VALVE SEAT

MILIMETERS

Outer diameter

38.080

- 38.100

INTAKE VALVE GUIDE

MILIMETERS

Inner diameter after assembly

8.000

-

8.015

Outer diameter

14.050

- 14.060

EXHAUST VALVE GUIDE

MILIMETERS

Inner diameter after assembly

8.000

-

8.015

Outer diameter

14.050

- 14.060

INTAKE VALVE

MILIMETERS

Valve rod diameter

7.957

-

7.977

Clearance of valve in guide

0.023

-

0.058

Head diameter

38.750

- 39.050

Seat surface angle

60° to 60° 30’

Valve depth, under cylinder head surface: Standard

0.810

-

1.090

Total length

116.14

- 116.62

EXHAUST VALVE

MILIMETERS

Valve rod diameter

7.940

-

7.960

Clearance of valve in guide

0.040

-

0.075

Head diameter

36.35

-

36.65

Seat surface angle

44° 30’ to 45°

Valve depth, under cylinder head surface: Standard

0.860

-

1.140

Total length

116.29

- 116.77

CYLINDER HEAD

MILIMETERS

Height

127.87

- 128.13

Valve guides hole diameter: Standard

14.000

- 14.018

Intake valve seat housing diameter: Standard

40.400

- 40.416

Intake valve seat housing depth

11.000

- 11.100

Exhaust valve seat housing diameter: Standard

38.000

- 38.016

Exhaust valve seat housing depth

11.000

- 11.100

 

 

 

 

 

 

 

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