Iveco Stralis AT/AD. Manual — part 9
22
ENGINE F2B
S
TRALIS
AT/AD
Base - January 2003
PART
TORQUE
Nm
kgm
Under-basement fastening screws to cylinder block (see Figure 6)
♦
Outer screws
First stage : pre-tightening
M10x1.25
25
2.5
Inner screws
Second stage : pre-tightening
M16x2
140
14
Inner screws
Third stage : angle closing
M16x2
60
°
Inner screws
Fourth stage : angle closing
M16x2
60
°
Outer screws
Fifth stage : angle closing
M10x1,5
90
°
Pipe union for piston cooling nozzle
M12X1.5
35
± 2
3.5
± 0.2
Intercooler fastening screws to cylinder block
♦ (see Figure 10)
pre-tightening
tightening
11.5
± 3.5
19
± 3
1.15
± 0.35
1.9
± 0.3
Plug
125
± 15
12.5
± 1.5
Spacer and oil sump fastening screws (see Figure 11)
41.5
± 3.5
4.1
± 0.3
Gearcase fastening screws to cylinder block
41.5
± 3.5
4.1
± 0.3
63
± 7
6.3
± 0.7
9
± 3
1.9
± 0.3
Cylinder head fastening screw: (see Figure 7)
♦
First stage
pre-tightening
50
5
Second stage
pre-tightening
100
10
Third stage
angle closing
90
°
Fourth stage
angle closing
75
°
Rocker arm shaft fastening screw
♦
First stage
pre-tightening
40
4
Second stage
pre-tightening
60
°
Locknut for rocker arm adjusting screw
♦
39
± 5
3.9
± 5
Screws for injector fastening brackets
♦
36.5
3.65
Shoulder plate fastening screws to head
♦
23.5
2.35
Engine support bracket fastening screws to cylinder head
74
± 8
7.4
± 0.8
Gear fastening screws to camshaft:
♦
First stage
pre-tightening
50
5
Second stage
pre-tightening
50
°
Phonic wheel fastening screws to distribution gear
8.5
± 1.5
0.8
± 0.1
Exhaust pipe fastening screws
• (see Figure 8)
pre-tightening
tightening
32.5
± 7.5
47
± 2.5
3.2
± 0.7
4.7
± 0.2
Engine brake actuator cylinder fastening screws
24.5
± 2.5
2.4
± 0.2
Connecting rod cap fastening screws:
♦
First stage
pre-tightening
50
5
Second stage
pre-tightening
40
°
Engine flywheel fastening screws:
♦
M16x1.5x58
First stage
pre-tightening
100
10
Second stage
pre-tightening
60
°
Engine flywheel fastening screws:
♦
M16x1.5x110
First stage
pre-tightening
100
10
Second stage
pre-tightening
120
°
Flywheel pulley fastening screws to crankshaft :
♦
First stage
pre-tightening
70
7
Second stage
pre-tightening
50
°
♦ Lubricate with oil MOLYKOTE before assembly
•
Lubricate with graphitized oil before assembly
ENGINE F2B
23
S
TRALIS
AT/AD
TIGHTENING TORQUES
PART
TORQUE
Nm
kgm
Damper flywheel fastening screws:
♦
115
± 15
11.5
± 1.5
Idler gear pin fastening screws:
♦
First stage
pre-tightening
30
3
Second stage
pre-tightening
90
°
Idle gear link rod fastening screw
24.5
± 2.5
2.4
± 0.2
Oil pump fastening screw
24.5
± 2.5
2.4
± 0.2
Oil pump suction rose fastening screw
24.5
± 2.5
2.4
± 0.2
Front cover fastening screw to cylinder block
♦
19
± 3
1.9
± 0.3
Control unit fastening screw to cylinder block
♦
19
± 3
1.9
± 0.3
Supply pump fastening screw to gearcase
♦
19
± 3
1.9
± 0.3
Fuel filter support fastening screw to cylinder head
♦
37
± 3
3.7
± 0.3
Turbo-compressor fastening screws and nuts
• (see Figure 9)
pre-tightening
tightening
32.5
± 7.5
46
± 2
3.2
± 0.7
4.6
± 0.2
Water pump fastening screw to cylinder block
24.5
± 2.5
2.4
± 0.2
Pulley fastening screw to hub
55
± 5
5.5
± 0.5
Rocker arm cover fastening screws (see Figure 12)
9
0.9
Thermostat box fastening screws to cylinder head
24.5
± 2.5
2.4
± 0.2
Automatic tightener fastening screws to cylinder block
45
± 5
4.5
± 0.5
Fixed tightener fastening screws to cylinder block
105
± 5
10.5
± 0.5
Fan support fastening screws to cylinder block
24.5
± 2.5
2.4
± 0.2
Starter fastening screws
44
± 4
4
± 0.4
Air heater on cylinder head
30
± 3
3
± 0.3
Air compressor fastening screw to cylinder head
74
± 8
7.4
± 0.8
Air compressor control gear fastening nut
170
17
± 1
Hydraulic power steering pump gear fastening nut
46.5
± 4.5
4.6
± 0.4
Air conditioner compressor fastening screw to support
24.5
± 2.5
2.4
± 2.5
Air conditioner compressor support fastening screw to cylinder block
44
± 4
4.4
± 0.4
Alternator support fastening screw to cylinder block
44
± 4
4.4
± 0.4
Alternator bracket fastening screw to cylinder block
24.5
± 2.5
2.4
± 0.2
Water pipe unions
35
3.5
Water temperature sensor
32.5
± 2.5
3.2
± 0.2
♦ Lubricate with oil MOLYKOTE before assembly
•
Lubricate with graphitized oil before assembly
24
ENGINE F2B
S
TRALIS
AT/AD
Base - January 2003
PART
TORQUE
Nm
kgm
Engine brake solenoid valve fastening screws
32.5
± 2.5
3.2
± 0.2
Flywheel rev sensor fastening screw
8
± 4
0.8
± 0.2
Camshaft rev sensor fastening screw
8
± 2
0.8
± 0.2
P.D.E solenoid connector fastening screw
1.62
± 0.3
0.1
± 0.3
Overboost pressure sensor fastening screw
8
± 2
0.8
± 0.2
Absolute pressure sensor fastening screw
22.5
± 2.5
2.2
± 0.2
P.W.M. control valve fastening screw/nut
8
± 2
0.8
± 0.2
Fuel/coolant temperature sensor
35
3.5
Coolant temperature indicator
23.5
± 2.5
2.3
± 0.2
Filter clogging sensor
10
1
Oil temperature switch
25
± 1
2.5
± 0.1
Oil pressure sensor
25
± 1
2.5
± 0.1
Oil clogging sensor
55
± 5
5.5
± 0.5
Electric wire fastening screw
8
± 2
0.8
± 0.2
Heater fastening screw
12.5
± 2.5
1.2
± 0.2
44898
FRONT SIDE
Front phase:
angle tightening
of inner screws
60º
44897
44899
44898
Figure 6
First phase:
preliminary tightening
of outer screws
(25 Nm)
FRONT SIDE
FRONT SIDE
Second phase:
preliminary
tightening of
inner screws
(140 Nm)
Fifth phase:
angle tightening
of outer screws
90º
44898
FRONT SIDE
Third phase:
angle tightening
of inner screws
60º
FRONT SIDE
ENGINE F2B
25
S
TRALIS
AT/AD
UNDERBLOCK FIXING SCREWS TIGHTENING SEQUENCE
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