Engines Iveco C10,C13, Cursor 10, Cursor 13. Manual — part 80
16
SECTION 2 - G-DRIVE APPLICATION
CURSOR ENGINES G-DRIVE
Base - May 2007
Type
F3B
Type
mm
X
1
2
X
X1
3.100 to 3.120
X
3
2
X
Piston ring grooves
X2
1.550 to 1.570
3
X
X3
5.020 to 5.040
Piston rings:
trapezoidal seal
S1*
3.000
1
2
S
S
p
lune seal
S2
ill d
i
3.000
1.470 to 1.500
3
2
S
S
milled scraper ring
with slits and internal
spring
S3
4.970 to 4.990
spring
S3
* measured on
∅ of 130 mm
4.970 to 4.990
1
0.100 to 0.120
Piston rings - grooves
2
0.050 to 0.100
3
0.030 to 0.070
Piston rings
-
X1
2
X
Piston ring end gap
in cylinder liners
3
2
X
X
X1
0.40 to 0.50
3
X
X2
0.65 to 0.80
X3
0.40 to 0.75
1
∅
Small end bush housing
nominal
Ø1
59.000 to 59.030
∅ 2
Big end bearing housing
nominal
Ø2
- Class
1
- Class
2
- Class
3
{
94.000 to 94.030
94.000 to 94.010
94.011 to 94.020
94.021 to 94.030
∅4
Small end bush diameter
∅3
outside
∅4
59.085 to 59.110
∅3
inside
∅3
54.019 to 54.035
S
Big end bearing shell
S
Red
Green
Yellow
1.965 to 1.975
1.976 to 1.985
1.986 to 1.995
Small end bush - housing
0.055 to 0.110
Piston pin - bush
0.019 to 0.041
Big end bearing
0.127 - 0.254 - 0.508
Connecting rod weight
g.
A
4661 to 4694
Class
B
4695 to 4728
C
4729 to 4762
17
CURSOR ENGINES G-DRIVE
SECTION 2 - G-DRIVE APPLICATION
Base - May 2007
F3B
Type
mm
X
Measuring dimension
X
125
Max. connecting rod
axis misalignment
tolerance
0.08
1
2
∅
∅
1
2
Main journals
∅1
- rated value
- class
1
- class
2
- class
3
Crankpins
∅2
- rated value
- class
1
- class
2
- class
3
99.970 to 100.000
99.970 to 99.979
99.980 to 99.989
99.990 to 100.000
89.970 to 90.000
89.970 to 89.979
89.980 to 89.989
89.990 to 90.000
S 1
S 2
Main bearing shells
S1
Red
Green
Yellow*
3.110 to 3.120
3.121 to 3.130
3.131 to 3.140
Big end bearing shells
S2
Red
Green
Yellow*
1.965 to 1.975
1.976 to 1.985
1.986 to 1.995
3
∅
Main bearing housings
∅3
- rated value
- class
1
- class
2
- class
3
106.300 to 106.330
106.300 to 106.309
106.310 to 106.319
106.320 to 106.330
Bearing shells -
main journals
0.060 to 0.100
Bearing shells -
big ends
0.050 to 0.090
Main bearing shells
0.127 - 2.254 - 0.508
Big end bearing shells
0.127 - 2.254 - 0.508
X1
Main journal,
thrust bearing
X1
47.95 to 48.00
X2
Main bearing housing,
thrust bearing
X2
40.94 to 40.99
X 3
Thrust washer
halves
X3
3.38 to 3.43
Crankshaft end float
0.10 to 0.30
1
2
Alignment
1 - 2
Ovalization
1 - 2
Taper
1 - 2
≤ 0.025
0.010
0.010
*
Fitted in production only and not supplied as spares
18
SECTION 2 - G-DRIVE APPLICATION
CURSOR ENGINES G-DRIVE
Base - May 2007
F3B
CYLINDER HEAD - VALVE TRAIN
mm
∅ 1
Valve guide housings
in cylinder head
∅1
15.980 to 15.997
2
∅
Valve guide
∅2
10.015 to 10.030
∅ 3
Valve guide
∅2
∅3
16.012 to 16.025
Valve guides - housings
in the cylinder heads
0.015 to 0.045
Valve guide
-
∅ 4
Valves:
∅4
α
9.960 to 9.975
60
° 30′ ± 7′ 30″
α
∅4
α
9.960 to 9.975
45
° 30’ ± 7′ 30″
Valve stem and its guide
0.040 to 0.070
Valve seat in
head
head
∅1
49.185 to 49.220
∅ 1
∅1
∅1
46.985 to 47.020
Outside diameter of valve
2
∅
Outside diameter of valve
seat; angle of valve seat
in cylinder head:
∅2
49.260 to 49.275
∅2
α
60
° - 30’
α
∅2
47.060 to 47.075
∅2
α
45
° - 30′
X
Recessing of valve
0.54 to 0.85
X
Recessing of valve
X
1.75 to 2.05
Between valve
Between valve
seat and head
0.040 to 0.090
0.040 to 0.090
19
CURSOR ENGINES G-DRIVE
SECTION 2 - G-DRIVE APPLICATION
Base - May 2007
Type
F3B
Type
mm
Valve spring height:
free height
H
72,40
H
H 1
2
under a load of:
H 1
H 2 575 ± 28 N
H1
58
1095
± 54 N
H2
45
X
Injector protrusion
X
0.53 to 1.34
∅
∅
∅
Camshaft bushing housing
in the cylinder head:
1
⇒ 7
Ø
88.000 to 88.030
∅
∅
∅
1
2
3
Camshaft bearing
journals:
1
⇒ 7
Ø
82.950 to 82.968
∅
Outer diameter of
camshaft bushings:
∅
88.153 to 88.183
∅
Inner diameter of
camshaft bushings:
∅
83.018 to 83.085
Bushings and housings
in the cylinder head
0.123 to 0.183
Bushings and bearing
journals
0.050 to 0.135
Cam lift:
9.231
H
9.231
11.216
∅ 1
Rocker shaft
∅1
41.984 to 42.000
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