Iveco Stralis AT/AD. Manual - part 36

S

TRALIS

AT/AD

130

F3A ENGINE

Base - January 2003

F3A

Type

mm

Bushing housing in
rocker arms

45.000 to 45.016

59.000 to 59.019

∅

46.000 to 46.016

Bushing outer diameter
for rocker arms

45.090 to 45.130

∅

59.100 to 59.140

46.066 to 46.091

Bushing inner diameter
for rocker arms

42.025 to 42.041

∅

56.030 to 56.049

42.015 to 42.071

Between bushings and
housings

0.074 to 0.130

0.081 to 0.140

0.050 to 0.091

Between bushings of
rocker arms and shaft

0.025 to 0.057

0.025 to 0.057

0.015 to 0.087

TURBOCHARGER

Type

HOLSET HY 55 V, variable geometry

End float

-

Radial play

-

131

S

TRALIS

AT/AD

F3A ENGINE

PART

TORQUE

Nm

kgm

Capscrews, undercrankcase to crankcase (see Figure 9)

♦

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

♦ (see Figure 13)

pretightening
tightening

11.5

19

1.15

1.9

Spacer and oil sump capscrews

♦ (see Figure 14)

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 (see Figure 10)

♦

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

100

10

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

Screw fastening the engine supporting bracket to the cylinder head

Stage 1:

pretightening

120

12

Stage 2:

angle

45

°

Screw fastening the engine supporting bracket to the flywheel case

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

• (see Figure 11)

pretightening
tightening

40

± 5

70

± 5

4

± 0.5

7

± 0.5

Capscrews, exhaust brake actuator cylinder

♦

19

1.9

Capscrews, connecting rod caps

♦

Stage 1:

pretightening

60

6

Stage 2:

angle

60

°

Engine flywheel capscrews

♦

Stage 1:

pretightening

120

12

Stage 2:

angle

60

°

Stage 3:

angle

30

°

♦ Before assembly, lubricate with engine oil
D

Before assembly, lubricate with graphitized oil

S

TRALIS

AT/AD

132

F3A ENGINE

Base - January 2003

TORQUE

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

19

± 3

1.9

± 0.3

Screw fixing rocker cover (see Figure 15)

8.5

± 1.5

0.8

± 0.1

Screws and nuts fixing turbocharger

• (see Figure 12)

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

Screws fixing spacer/pulley to fan

30

± 3

3

± 0.3

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 fan mount to crankcase

100

± 5

10

± 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 automatic tensioner for belt driving air-conditioning
compressor to crankcase

26

± 2

2.6

± 0.2

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 hydraulic power steering pump

46.5

± 4.5

4.65

± 0.45

Screws fixing air-conditioner compressor to mount

24.5

± 2.5

2.5

± 0.25

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

133

S

TRALIS

AT/AD

F3A ENGINE

PART

TORQUE

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

Screw fixing electric cables

8

± 2

0.8

± 0.2

Exhaust brake solenoid valve fastener

32

3.2

PWM solenoid valve fastener

9

± 1

0.9

± 0.1

♦ Before assembly, lubricate with engine oil
D

Before assembly, lubricate with graphitized oil