Engines Iveco C10,C13, Cursor 10, Cursor 13. Manual — part 25
7
CURSOR ENGINES F3A
SECTION 4 - OVERHAUL AND TECHNICAL SPECIFICATIONS
Base - May 2007
F3A
Type
mm
X
Measuring dimension
X
125
Max. connecting rod
axis misalignment
tolerance
0.08
1
2
∅
∅
Main journals
∅1
- nominal
- class
1
- class
2
- class
3
Crankpins
∅2
- nominal
- class
1
- class
2
- class
3
92.970 to 93.000
92.970 to 92.979
92.980 to 92.989
92.990 to 93.000
82.970 to 83.000
82.970 to 82.979
82.980 to 82.989
82.990 to 83.000
S 1
S 2
Main bearing shells
S1
Red
Green
Yellow*
2.965 to 2.974
2.975 to 2.984
2.985 to 2.995
Big end bearing shells
S2
Red
Green
Yellow*
1.970 to 1.980
1.981 to 1.990
1.991 to 2.000
3
∅
Main bearing housings
∅3
- nominal
- class
1
- class
2
- class
3
99.000 to 99.030
99.000 to 99.009
99.010 to 99.019
99.020 to 99.030
Bearing shells -
main journals
0.050 to 0.090
Bearing shells -
big ends
0.040 to 0.080
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
45.95 to 46.00
X2
Main bearing housing,
thrust bearing
X2
38.94 to 38.99
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
8
SECTION 4 - OVERHAUL AND TECHNICAL SPECIFICATIONS
CURSOR ENGINES F3A
Base - May 2007
F3A
CYLINDER HEAD - VALVE TRAIN
mm
∅ 1
Valve guide housings
in cylinder head
∅1
14.980 to 14.997
2
∅
Valve guide
∅2
9.015 to 9.030
∅ 3
Valve guide
∅2
∅3
15.012 to 15.025
Valve guides - housings
in the cylinder heads
0.015 to 0.045
Valve guide
0.2 - 0.4
∅ 4
Valves:
∅4
α
8.960 to 8.975
60
° 30′ ± 7′ 30″
α
∅4
α
8.960 to 8.975
45
° 30’ ± 7′ 30″
Valve stem and its guide
0.040 to 0.070
Valve seat in
head
head
∅1
44.185 to 44.220
∅ 1
∅1
∅1
42.985 to 43.020
Outside diameter of valve
2
∅
Outside diameter of valve
seat; angle of valve seat
in cylinder head:
∅2
44.260 to 44.275
∅2
α
60
° - 30’
α
α
∅2
43.060 to 43.075
∅2
α
45
° - 30′
X
Recessing of valve
0.65 to 0.95
X
Recessing of valve
X
1.8 to 2.1
Between valve
Between valve
seat and head
0.040 to 0.090
0.040 to 0.090
9
CURSOR ENGINES F3A
SECTION 4 - OVERHAUL AND TECHNICAL SPECIFICATIONS
Base - May 2007
Type
F3A
Type
mm
Valve spring height:
free height
H
76
H
H 1
2
under a load of:
H 1
H 2 N 500 ±25
H1
62
N 972
±48
H2
48.8
X
Injector protrusion
X
1.14 to 1.4
∅
∅
∅
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:
8.31
H
9.45
11.21
∅ 1
Rocker shaft
∅1
41.984 to 42.000
10
SECTION 4 - OVERHAUL AND TECHNICAL SPECIFICATIONS
CURSOR ENGINES F3A
Base - May 2007
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 HX55
End float
-
Radial play
-
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст