Engine Iveco C10/C13/C78/Cursor 13/Cursor 78. Manual - part 73

50

SECTION 4 - OVERHAUL AND TECHNICAL SPECIFICATIONS

TIGHTENING TORQUE

PART

TORQUE

PART

Nm

kgm

Capscrews, undercrankcase to crankcase

♦

M12x1.75 outer screws

Stage 1: pretightening

30

3

M 17x2 inner screws

Stage 2: pretightening

120

12

Inner screws

Stage 3: angle

90

°

Inner screws

Stage 4: angle

45

°

Outer screws

Stage 5: angle

60

°

Piston cooling nozzle union

♦

35

± 2

3.5

± 2

Capscrews, heat exchanger to crankcase

♦

pretightening
tightening

11.5

19

1.15

1.9

Spacer and oil sump capscrews

♦

pretightening
tightening

38
45

3.8
4.5

M 12x1.75 screws, gear case to crankcase

♦

63

± 2

6.3

± 0.7

Cylinder head capscrews

♦

Stage 1:

pretightening

60

6

Stage 2

pretightening

120

12

Stage 3:

angle

120

°

Stage 4:

angle

60

°

Air compressor capscrews

100

10

Rocker shaft capscrew

♦

Stage 1:

pretightening

80

8

Stage 2:

angle

60

°

Locknut, rocker adjusting screw

♦

39

± 5

3.9

± 0.5

Capscrews, injector securing brackets

♦

26

2.6

Capscrews, thrust plates to head

♦

19

1.9

Fixing screw M18x2 base engine mounting
Stage 1:

pretightening

120

12

Stage 2:

angle

45

°

Fixing screw M16x2 engine mounting to carter flywheel
Stage 1:

pretightening

100

10

Stage 2:

angle

60

°

Camshaft gear capscrews

♦

Stage 1:

pretightening

60

6

Stage 2:

angle

60

°

Screw fixing phonic wheel to timing system gear

♦

8.5

± 1.5

0.8

± 0.1

Exhaust manifold capscrews

•

pretightening
tightening

32.5

± 7.5

45

± 5

3.2

± 0.7

4.5

± 0.5

Capscrews, connecting rod caps

♦

Stage 1:

pretightening

60

6

Stage 2:

angle

60

°

Engine flywheel capscrews

♦

Stage 1:

pretightening

120

12

Stage 2:

angle

90

°

♦ Before assembly, lubricate with engine oil
D

Before assembly, lubricate with graphitized oil

SECTION 4 - OVERHAUL AND TECHNICAL SPECIFICATIONS

51

PART

TORQUE

PART

Nm

kgm

Screws fixing damper flywheel:

♦

First phase

pre-tightening

70

7

Second phase

closing to angle

50

°

Screws fixing intermediate gear pins:

♦

First phase

pre-tightening

30

3

Second phase

closing to angle

90

°

Screw fixing connecting rod for idle gear

25

± 2.5

2.5

± 0.2

Screws fixing oil pump

25

± 2.5

2.5

± 0.2

Screw fixing suction strainer and oil pump pipe to crankcase

25

± 2.5

2.5

± 0.2

Screws fixing crankshaft gasket cover

25

± 2.5

2.5

± 0.2

Screws fixing fuel pump/filter

37

± 3

3.7

± 0.3

Screw fixing control unit mount to crankcase

19

± 3

1.9

± 0.3

Screw fixing fuel pump to flywheel cover box

19

± 3

1.9

± 0.3

Screw fixing thermostat box to cylinder head

22

± 2

2.2

± 0.2

Screw fixing rocker cover

8.5

± 1.5

0.8

± 0.1

Screws and nuts fixing turbocharger

•

pre-tightening
tightening

33.5

± 7.5

46

± 2

3.3

± 0.7

4.6

± 0.2

Screws fixing water pump to crankcase

25

± 2.5

2.5

± 0.2

Screw fixing automatic tensioner to crankcase

50

± 5

5

± 0.5

Screw fixing fixed tensioner to crankcase

105

± 5

10.5

± 0.5

Screws fixing starter motor

74

± 8

7.4

± 0.8

Screws fixing air heater to cylinder head

37

± 3

3.7

± 0.3

Screw fixing air compressor

74

± 8

7.4

± 0.8

Nut fixing gear driving air compressor

170

± 10

17

± 10

Screw fixing alternator bracket to crankcase

L = 35 mm
L = 60 mm
L = 30 mm

30

± 3

44

± 4

24.5

± 2.5

3

± 0.3

4.4

± 0.4

2.4

± 0.2

Screws fixing guard

24.5

± 25

2.5

± 0.25

Filter clogging sensor fastening

55

± 5

5.5

± 0.5

♦ Before assembly, lubricate with engine oil
D

Before assembly, lubricate with graphitized oil

52

SECTION 4 - OVERHAUL AND TECHNICAL SPECIFICATIONS

PART

TORQUE

PART

Nm

kgm

Pressure transmitter fastener

8

± 2

0.8

± 0.2

Water/fuel temperature sensor fastener

32.5

± 2.5

3.2

± 0.2

Thermometric switch/transmitter fastener

23

± 2.5

2.5

± 0.2

Air temperature transmitter fastener

32.5

± 2.5

3.2

± 0.2

Pulse transmitter fastener

8

± 2

0.8

± 0.2

Injector-pump connections fastener

1.36

± 1.92

0.13

± 0.19

Screw fixing electric cables

8

± 2

0.8

± 0.2

♦ Before assembly, lubricate with engine oil
D

Before assembly, lubricate with graphitized oil

SECTION 5 - TOOLS

1

SECTION 5

Tools

Page

TOOLS

21

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