Iveco EuroCargo (12 to 26 t). Manual — part 29
E
URO
C
ARGO
T
ECTOR
12-26 t
ENGINE F4 AE 0681
115
Base - February 2003
Page
GENERAL SPECIFICATIONS
117
. . . . . . . . . . . . . . . . .
ASSEMBLY DATA — CLEARANCES
120
. . . . . . . . . . .
ENGINE F4AE0681 OVERHAUL
128
. . . . . . . . . . . . . .
- Engine removal at the bench
128
. . . . . . . . . . . . . .
TIMING SYSTEM
129
. . . . . . . . . . . . . . . . . . . . . . . . . .
- Camshaft
129
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BUSHES
129
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CYLINDER HEAD
VAL V E S E ATS 131
. . . . . . . . . . . . . . . . . . . . . . . . .
- Cylinder head fastening screw tightening
133
. . . .
LUBRICATION
135
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
COOLING SYSTEM
136
. . . . . . . . . . . . . . . . . . . . . . . .
BOOSTER
137
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
- Turbosupercharger
137
. . . . . . . . . . . . . . . . . . . . .
TURBOSUPERCHARGER ACTUATOR
137
. . . . . . . .
- Check and adjustment
137
. . . . . . . . . . . . . . . . . . .
TURBOSUPERCHARGER LAYOUT
139
. . . . . . . . . . .
E
URO
C
ARGO
T
ECTOR
12-26 t
ENGINE F4 AE 0681
117
Base - February 2003
Type
F4AE 0681E
(.18)
F4AE0681D
(.21)
F4AE 0681B
(.24)
F4AE 0681A
(.28)
Cycle
Four-stroke diesel engine
Power
Supercharged with intercooler
Injection
Direct
Number of cylinders
6 in-line
∅
Bore
mm
102
Stroke
mm
120
+
+
+.. =
Total displacement cm
3
5900
ρ
Compression ratio
17 : 1
Max. output
kW
(HP)
rpm
132
(180)
2700
154
(210)
2700
176
(240)
2700
202
(275)
2500
Max. torque
Nm
(kgm)
rpm
600
61.2
1200
÷2100
600
61.2
1200
÷2100
600
61.2
1250
÷2100
680
69.3
1250
÷2100
Loadless engine idling
rpm
650
650
-
-
Loadless engine peak
rpm
3000
3000
-
-
E
URO
C
ARGO
T
ECTOR
12-26 t
118
ENGINE F4 AE 0681
Base - February 2003
F4AE0681E
(.18)
F4AE0681D
(.21)
F4AE0681B
(.24)
F4AE0681A
(.28)
SUPERCHARGING
With intercooler
Turbosupercharger type
Borg Warner Turbo
Systems K27.2
HOLSET HX 35 W
Turbosupercharger shaft radial backlash
Turbosupercharger shaft end play
Pressure relief valve min. opening stroke:
mm
Pressure relief valve max. opening stroke:
mm
Pressure corresponding to min. stroke:
bar
Pressure corresponding to max. stroke:
bar
-
-
-
-
-
-
-
-
0.50
1.04
-
-
LUBRICATION
Forced by gear pump , pressure relief valve,
double stage oil filter
bar
Oil pressure with warm engine:
- idling
bar
- peak rpm
bar
1.2
3.8
COOLING
By centrifugal pump, regulating thermostat,
radiator, heat exchanger, intercooler
Water pump control
Through belt
Thermostat
- start of opening
- maximum opening
81
± 2º C
96º C
FILLING
Total capacity
1
st
filling:
liters
kg
-
-
Urania Turbo
Urania LD 5
- engine sump
liters
kg
Min. level
8
7.2
Max. level
10.8
9.7
- engine sump + filter
liters
kg
9
8.1
11..8
10.6
E
URO
C
ARGO
T
ECTOR
12-26 t
ENGINE F4 AE 0681
119
Base - February 2003
F4AE0681E
(.18)
F4AE0681D
(.21)
F4AE0681B
(.24)
F4AE0681A
(.28)
TIMING
start before T.D.C.
A
end after B.D.C.
B
8.5º
8.5º
start before T.D.C.
D
end after B.D.C.
C
51º
12.5º
X
Checking timing
mm
X
mm
Checking operation
mm
X
mm
-
-
0.20
÷ 0.30
0.45
÷ 0.55
FUEL FEED
Injection
Type:
Bosch
high pressure common rail
EDC7 ECU
Nozzle type
Injectors
Injection sequence
1 - 5 - 3 - 6 - 2 - 4
bar
Injection sequence
bar
Injection pressure
bar
250 - 1450
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