Iveco Stralis AT/AD. Manual — part 34
S
TRALIS
AT/AD
122
F3A ENGINE
Base - January 2003
Type
F3AE0681B
F3AE0681D
Cycle
4-stroke Diesel engine
Fuel feed
Turbocharged with aftercooler
Injection
Direct
No. of cylinders
6 in line
∅
Bore
mm
125
Stroke
mm
140
+
+
+.. =
Total displacement
cm
3
10300
ρ
Compression ratio
17
0.8
Max output
KW
(HP)
294
(400)
316
(430)
rpm
2100
2100
Max. torque
Nm
(kgm)
1900
(194)
1900
(194)
rpm
1050
÷ 1480
1050
÷ 1590
Engine idling speed,
no load
rpm
550
±25
Maximum engine speed,
no load
rpm
2550
±20
123
S
TRALIS
AT/AD
F3A ENGINE
Type
F3A
A
B
VALVE TIMING
opens before T.D.C.
A
closes after B.D.C.
B
16
°
32
°
C
D
opens before B.D.C.
D
closes after T.D.C.
C
50
°
9
°
X
For timing check
mm
X
mm
Running
mm
X
mm
-
-
0.35 to 0.45
0.45 to 0.55
FEED
Through fuel pump - filters
Injection
type: Bosch
With electronically regulated injectors PDE 31
pump injectors controlled by overhead camshaft
Nozzle type
Nozzle type
_
Injection order
1 - 4 - 2 - 6 - 3 - 5
bar
Injection pressure
bar
Injector calibration
bar
1500
290
S
TRALIS
AT/AD
124
F3A ENGINE
Base - January 2003
F3A
SUPERCHARGING
Turbocharger type
Variable geometry Holset HY 55 V
LUBRICATION
Forced by gear pump, pressure control valve, oil filter
bar
Oil pressure with hot engine
(I00ºC
±5ºC):
bar
at idling speed
bar
1.5
at maximum rpm
bar
5
COOLING
By centrifugal pump, regulating thermostat, viscostatic fan,
radiator and heat exchanger
Water pump control
By belt
Thermostat
N. 1
initial opening
~84ºC ±2ºC
maximum opening
94ºC
±2ºC
OIL FILLING
Total capacity
at 1
st
filling
litres
30
kg
29.8
Capacities
- engine sump min level
litres
17
Fiat Lubrificanti
kg
15.3
Fiat Lubrificanti
Urania Turbo LD
(according to
E3 96
d d)
- engine sump max level
litres
25
(
g
E3-96 standard)
Urania Turbo
kg
22.5
Urania Turbo
(according to
E2-96 standard)
- quantity in circulation
that does not flow back
to the engine sump
litres
7
kg
6.3
- quantity contained in
the cartridge filter (which
has to be added to the
cartridge filter refill)
litres
2.5
kg
2.3
125
S
TRALIS
AT/AD
F3A ENGINE
ASSEMBLY CLEARANCE DATA
Type
F3A
CYLINDER BLOCK AND
CRANKMECHANISM COMPONENTS
mm
∅1
Bores for cylinder liners:
upper
∅1
lower
142.000 to 142.025
140.000 to 140.025
Cylinder liners:
L
∅2
external diameter:
upper
∅2
lower
141.961 to 141.986
139.890 to 139.915
∅2
length
L
-
Cylinder liners -
crankcase bores
upper
lower
0.014 to 0.064
0.085 to 0.135
External diameter
∅2
-
Cylinder sleeve
∅3
X
inside diameter
∅3A*
125.000 to 125.013
X
inside diameter
∅3B*
125.011 to 125.024
Protrusion
X
0.045 to 0.075
* Selection class
Pistons:
NUERAL
MAHLE - MONDIAL
∅1
X
measuring dimension
X
18
18
X
external diameter
∅1A
F
124.884 to 124.896
124.881 to 124.893
∅2
external diameter
∅1B
f
124.895 to 124.907
124.892 to 124.904
∅2
pin bore
∅2
50.010 to 50.018
Piston - cylinder sleeve
A*
B*
0.104 to 0.129
0.093 to 0.118
0.107 to 0.132
0.096 to 0.131
* Selection class
Piston diameter
∅1
-
X
Pistons protrusion
X
0.23 to 0.53
3
∅
Gudgeon pin
∅3
49.994 to 50.000
Gudgeon pin - pin housing
0.010 to 0.024
F
Class A pistons supplied as spares.
f
Class B pistons are fitted in production only and are not supplied as spares.
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