Engine Iveco Vector 8. Manual — part 41

Figure 95

Figure 96

Figure 97

Figure 98

Figure 99

Figure 100

Fitting the valves

- Lubricate the stems of the valves (7) and insert them in

their respective valve guides. Position the bottom plates
(6), springs (4) and top plates (3) on the cylinder head.
Using tool 99368544 (1), compress the springs and fit the
retaining cotters (2).

- Fit the rings (1 and 3) on the cases (2) and insert them in

the cylinder block.

Installing the cylinder head

To reuse the bolts (2) fixing the cylinder heads, check
with a micrometer (1) that the diameter of its thread
is no less than 14.5 mm.

4 7

8

1

3

5

6

2

3 5

6

2

4

7

8

1

α

Fit new cylinder head gaskets. Mount the cylinder heads (1).
Lubricate the fixing bolts with ”UTDM” oil. Align the cylinder
heads with the tool applied in the holes to fasten the exhaust
manifolds.

Tighten the cylinder head bolts, following the order shown in
the following figure, as follows:

- first phase: pre—torque 70 Nm;

DIAGRAM OF TIGHTENING SEQUENCE FOR

CYLINDER HEAD BOLTS

α

Apply tool 99395216 (1) to the wrench.

- second phase: angle 240

°;

- guard torque: 220 — 390 Nm.

The screw can be used again as long as the external
diameter of the shank is 14.5 mm long in each point.

103214

37724

24546

82719

36618

37725

NOTE

NOTE

38

SECTION 4 - OVERHAUL AND TECHNICAL SPECIFICATIONS

VECTOR 8 ENGINES

Base - April 2006

Print P2D32V001E

SECTION 4 - OVERHAUL AND TECHNICAL SPECIFICATIONS

39

VECTOR 8 ENGINES

Print P2D32V001E

Base - April 2006

TIGHTENING TORQUE

COMPONENT

TORQUE

Nm

kgm

Cylinder head fixing bolt (*)

pre—torque
angle
guard—torque

70

240

°

220

÷ 390

7

240

°

22

÷ 39

Crankcase cap fixing bolt (*)

pre—torque
angle
guard—torque

160

240

°

600

÷ 1000

16

240

°

60

÷ 100

Crankcase cap side fixing bolt (*)

pre—torque
angle
guard—torque

70

120

°

260

÷ 460

7

120

°

26

÷ 46

Connecting rod cap fixing bolt (*)

pre—torque
angle
guard—torque

90

60

°

170

÷ 230

9

60

°

17

÷ 23

Engine flywheel fixing bolt (*)

pre—torque
angle
guard—torque

350

120

°

910

÷ 1600

35

120

°

91

÷ 160

Damper fixing bolt (*)

pre—torque
angle
guard—torque

160

120

°

540

÷ 960

16

120

°

54

÷ 96

Nut fixing front cover oil sump (M10x1.5)

38

÷ 45

3.8

÷ 4.5

Bolt fixing oil sump to front cover and crankcase (M10x1.5)

38

÷ 45

3.8

÷ 4.5

Bolt fixing crankcase front gearbox (M8x1.25)

22

÷ 27

2.2

÷ 2.7

Bolt fixing front gearbox and cover to crankcase (M8x1.25)

22

÷ 27

2.2

÷ 2.7

Bolt fixing front cover to front gearbox (M8x1.25)

22

÷ 27

2.2

÷ 2.7

Nut fixing front cover to front gear casing

27

÷ 33

2.2

÷ 2.7

Bolt fixing flywheel housing to crankcase (M12x1.75)

86

÷ 105

8.6

÷ 10.5

Bolt fixing flywheel casing to crankcase (M14x2)

135

÷ 165

13.5

÷ 16.5

Bolt fixing flywheel casing to crankcase (M14x2)

135

÷ 165

13.5

÷ 16.5

Bolt fixing gear pin centring (M10x1.5) (*)

45

÷ 50

4.5

÷ 5.0

Bolt fixing centring pin (M12x1.75) (*)

100

÷ 110

10.0

÷ 11.0

Bolt fixing cylinder head cover (M8x1.25)

20

÷ 24

2.0

÷ 2.4

Bolt fixing clearance adjustment cover (M6x1)

7

÷ 10

0.7

÷ 1.0

Bolt fixing left and right intake manifold to cylinder head (M10x1.5)

38

÷ 45

3.8

÷ 4.5

Bolt fixing exhaust manifold (M10x1.5) (**)
N. 12 bolts from front side (on both side)

torque

N. 4 bolts from rear side (on both side)

pre—torque
torque

47

÷ 53

47

÷ 53

64

÷ 70

4.7

÷ 5.3

4.7

÷ 5.3

6.4

÷ 7.0

Bolt fixing thrust plate to crankcase (M8x1.25) (*)

22

÷ 27

2.2

÷ 2.7

Bolt fixing inlet pipe to the right and left intake manifolds (M8x1.25)

22

÷ 27

2.2

÷ 2.7

Bolt fixing driving gear to driven gear governing camshaft (M10x1.5) (*)

49

÷ 60

4.9

÷ 6.0

Bolt fixing rocker—arm assembly to head (M12x1.75) (*)

80

÷ 89

8.0

÷ 8.9

Nut adjusting clearance (rocker arms) (M10x1.25) (*)

34

÷ 44

3.4

÷ 4.4

Bolt fixing crankshaft rear gear (M8x1.25) (*)

22

÷ 27

2.2

÷ 2.7

Bolt fixing gear to PTO (M12x1.75) (*)

86

÷ 105

8.6

÷ 10.5

Bolt fixing PTO to spacer (M12x1.75)

74

÷ 90

7.4

÷ 9.0

Bolt fixing PTO spacer to gearbox (M12x1.75)

74

÷ 90

7.4

÷ 9.0

Bolt fixing gear assembly to camshaft (M12x1.75)

86

÷ 105

8.6

÷ 10.5

Bolt fixing phonic wheel to gear (M8x1.25)

24

÷ 30

2.4

÷ 3.0

Bolt fixing injector bracket to cylinder head (M10x1.5) (*)

32

÷ 36

3.2

÷ 3.6

Nut fixing turbo to exaust manifold (M12x1,75)

55

÷ 65

5,5

÷ 6,5

Bolt fixing oil delivery pipe to turbo (M8x1.25)

22

÷ 27

2.2

÷ 2.7

40

SECTION 4 - OVERHAUL AND TECHNICAL SPECIFICATIONS

VECTOR 8 ENGINES

Base - April 2006

Print P2D32V001E

COMPONENT

TORQUE

Nm

kgm

Bolt fixing air conveyor to cooler body (M8x1.25)

22

÷ 27

2.2

÷ 2.7

Bolt fixing air delivery elbows to conveyor (M8x1.25)

22

÷ 27

2.2

÷ 2.7

Bolt fixing oil pump to crankcase (M10x1.5)

38

÷ 45

3.8

÷ 4.5

Bolt fixing conveyor to intake manifold (M8x1.25)

22

÷ 27

2.2

÷ 2.7

Bolt fixing bottom pipes discharging oil from turbo—blowers to oil sump (M8x1.25)

22

÷ 27

2.2

÷ 2.7

Bolt fixing suction rose to oil pump (M8x1.25)

22

÷ 27

2.2

÷ 2.7

Bolt fixing suction rose to cap for central support (M8x1.25)

22

÷ 27

2.2

÷ 2.7

Bolt fixing oil pressure adjuster valve (M8x1.25)

22

÷ 27

2.2

÷ 2.7

Bolt fixing oil filter body to crankcase (M8x1.25)

22

÷ 27

2.2

÷ 2.7

Bolt fixing oil filter body to crankcase (M8x1.25)

22

÷ 27

2.2

÷ 2.7

Bolt fixing engine oil cooler body to crankcase (M10x1.5)

25

÷ 30

2.5

÷ 3.0

Bolt fixing piston cooling jet (M8x1.25)

22

÷ 27

2.2

÷ 2.7

Bolt fixing oil pressure adjuster valve for piston cooling jet (M8x1.25)

22

÷ 27

2.2

÷ 2.7

Nut fixing coolant pump to front gear cover (M10x1.5)

33

÷ 40

3.3

÷ 4.0

Bolt fixing right and left manifold for coolant outlet from cylinder heads (M8x1.25)

22

÷ 27

2.2

÷ 2.7

Bolt fixing elbow to head coolant outlet right manifold (M8x1.25)

22

÷ 27

2.2

÷ 2.7

Bolt fixing head coolant outlet manifold union body (M8x1.25)

22

÷ 27

2.2

÷ 2.7

Bolt fixing coolant pump connecting pipe and cooler cover (M8x1.25)

22

÷ 27

2.2

÷ 2.7

Bolt fixing pipe from main coolant pump to crankcase (M8x1.25)

22

÷ 27

2.2

÷ 2.7

Bolt fixing spacer to front casing (M12x1.75)

74

÷ 90

7.4

÷ 9.0

Bolt fixing air compressor spacer

74

÷ 90

7.4

÷ 9.0

Bolt fixing high—pressure pump (HPP) to crankcase (M10x1.5) (*)

49

÷ 60

4.9

÷ 6.0

High pressure gear pump fixing nut (HPP)

350

35

High pressure gear pump fixing nut (HPP)

160

÷ 180

35

Bolt fixing ECU to support (M8x1.25)

22

÷ 27

2.2

÷ 2.7

Nut fixing compressor drive gear

160

÷ 180

16

÷ 18

Bolt fixing low pressure pump to air compressor (M10x1.5)

42

÷ 51

4.2

÷ 5.1

Bolt fixing front manoeuvring hook (M12x1.75)

86

÷ 105

8.6

÷ 10.5

Bolt fixing front adjustment hook (M14x2)

153

÷ 187

15.3

÷ 18.7

Bolt fixing rear manoeuvring hooks (M14x2)

153

÷ 187

15.3

÷ 18.7

Bolt fixing heater to conveyor (M8x1.25)

22

÷ 27

2.2

÷ 2.7

Bolt fixing front engine supports (M14x2)

torque
angle
guard-torque

65

÷ 75

60˚ - 65˚

190

÷ 270

6.5

÷ 7.5

60˚ - 65˚

19.0

÷ 27.0

Bolt fixing rear engine supports (M16x2)

torque
angle
guard-torque

95

÷ 105

85˚ - 90˚

310

÷ 420

9.5

÷ 10.5

85˚ - 90˚

31.0

÷ 42.0

Bolt fixing air/water radiator support to flywheel casing (M10x1.5)

49

÷ 60

4.9

÷ 6.0

Bolt fixing air/water radiator support to radiator (M10x1.5)

49

÷ 60

4.9

÷ 6.0

Bolt fixing flywheel speed sensor (M8x1.25)

22

÷ 27

2.2

÷ 2.7

Bolt fixing phonic wheel speed sensor (M8x1.25)

22

÷ 27

2.2

÷ 2.7

High pressure pump / delivery pipe nut (M27x2) (*)

115

÷ 125

11.8

÷ 13.2

Delivery / rail pipe nut (M27x2) (*)

85

÷ 95

10.0

÷ 11.0

Compensating pipe BETWEEN rail 1 and 2 (M27x2) (*)

85

÷ 95

10.0

÷ 11.0

Injector / fuel inlet pipe nut (M22x1.5) (*)

45

÷ 55

8.0

÷ 8.5

Rail / fuel inlet pipe nut (M20x1.5) (*)

70

÷ 80

8.0

÷ 8.5

Flow limiter (only for loss, disassembly or replacement)

20 + 30˚

2.0 + 30˚

(*) Before tightening, lubricate the bolt with UTDM oil or, alternatively, with engine oil.
(**) Before tightening, lubricate the bolt with grafitato oil.

SECTION 5 - TOOLS

3

VECTOR 8 ENGINES

Print P2D32V001E

Base - April 2006

TOOLS

TOOL NO.

DESCRIPTION

99305019

Case with full set of valve seating regrinding tools

99305047

Spring loading control apparatus

99322230

Rotary telescopic stand (capapity 2000 daN, torque 375 daNm)

99342145

Puller to remove injector holder

99360091

Tool for dismantling fuel filter

99360184

Calipers for disassembling and reassembling engine piston rings
(105 — 160 mm)