Engine Iveco Vector 8. Manual — part 33
6
SECTION 4 - OVERHAUL AND TECHNICAL SPECIFICATIONS
VECTOR 8 ENGINES
Base - April 2006
Print P2D32V001E
Type
VECTOR 8
Type
mm
X
Measuring dimension X
125
Max. error on alignment of
connecting rod axes
0.08
1
2
∅
∅
Main journals
∅1
121 995
÷ 121 975
1
2
∅
∅
Main journals
∅1
121.995
÷ 121.975
1
2
∅
∅
Crankpins
∅2
105 000
÷ 104 980
Crankpins
∅2
105.000
÷ 104.980
Main bearing
shells
S1*
2.958
÷ 2.970
S 1
S 2
Big end bearing shells
S2*
*supplied as spares
2.466
÷ 2.478
3
∅
Main bearing housings
128.000
÷ 130.025
Bearing shells — main
journals:
no. 1 — 5
no. 2 — 3 — 4
0.065
÷ 0.134
0.065
÷ 0.134
Bearing shells —
crankpins
0.044
÷ 0.110
Main bearing shells
—
Big end bearing shells
—
X1
Main journal,
for shoulder
X1
56.00
÷ 56.40
X2
Main bearing housing,
for shoulder;
middle
front/rear
X2
43.184
÷ 43.232
—
X 3
Half thrust washer
X3
—
Crankshaft shoulder
—
SECTION 4 - OVERHAUL AND TECHNICAL SPECIFICATIONS
7
VECTOR 8 ENGINES
Print P2D32V001E
Base - April 2006
Type
VECTOR 8
CYLINDER HEAD — VALVE TRAIN
mm
∅ 1
Valve guide seats
in cylinder head
∅1
16.980
÷ 16.997
2
∅
∅ 3
Valve guide
∅2
∅3
10.015
÷ 10.030
17.012
÷ 17.015
Valve guides and seats
on the head
0.015
÷ 0.035
Valve guide
17.212
÷ 17.225
∅ 4
Valves:
∅ 4
Valves:
∅4
α
9.960
÷ 9.975
60
° 30′ ± 7′ 30
α
∅4
α
9.960
÷ 9.975
45
° 30’ ± 7′ 30″
Valve stem and its guide
0.052
÷ 0.092
Valve seat in
h d
head
∅
52.985
÷ 53.020
∅ 1
∅1
∅1
50,985
÷ 51.020
Outside diameter of valve
seat; angle of valve seat
2
∅
seat; angle of valve seat
in cylinder head:
53.000
÷ 52.500
∅2
α
60
°
α
α
∅2
51.000
÷ 50.500
α
α
45
°
X
Recessing of valve
0.50
÷ 0.80
X
Recessing of valve
X
0.50
÷ 0.80
8
SECTION 4 - OVERHAUL AND TECHNICAL SPECIFICATIONS
VECTOR 8 ENGINES
Base - April 2006
Print P2D32V001E
Type
VECTOR 8
Type
mm
Between valve
0.050
÷ 0.100
Between valve
seat and head
0.050
÷ 0.100
Valve seat
54.270
÷ 54.285
51.270
÷ 51.285
Valve spring height:
free height
H
74
H
H 1
2
under a load of:
H 1
H 2 N 450 ±25
H1
57.5
N 800
±40
H2
46.5
X
Injector protrusion
X
not adjustable
∅
∅
∅
Seats for camshaft bushing
no. 1 — 5:
Camshaft seats
no. 2 — 3 — 4
86.000
÷ 86.030
—
∅
∅
∅
1
2
3
Camshaft supporting
pins:
1
⇒ 5
Ø
79.950
÷ 79.968
∅
Outer diameter of
camshaft bushings:
∅
86.133
÷ 86.163
∅
Inner diameter of
camshaft bushings:
∅
80.018
÷ 80.087
Bushings and housings
in the cylinder head
0.163
÷ 0.130
Bushings and bearing
journals
—
SECTION 4 - OVERHAUL AND TECHNICAL SPECIFICATIONS
9
VECTOR 8 ENGINES
Print P2D32V001E
Base - April 2006
Type
VECTOR 8
Type
mm
Cam lift:
H
6.9360
7.4066
∅1
Tappet cap seat
in the crankcase:
∅1
34.025
÷ 34.000
Tappet cap outside
diameter:
∅2
Measurement from axis
tappet at end of fixing
pin
X
33.600
÷ 33.800
18.80
÷ 19.00
∅ 1
Rocker arm shaft
∅1
31.984
÷ 32.000
Rocker arms
∅1
32 025
÷ 32 050
Rocker arms
∅1
32.025
÷ 32.050
∅ 1
Between rocker arms and
shaft
0.025
÷ 0.066
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