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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