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8
FUEL SYSTEM
5
8
3
9
146
12
147
148
149
- 62 -
1
4
2
8
7
6
10
11
13
Fuelling/injection circuit
Components:
1 Fuel filter return tube
2 Fuel filter
3
Injection pump
4
Injector pump exhaust pipe
5
High pressure line
6
Fuel lift pump
7
Fuel pump suction (to be connected to the tank)
8
Fuel feeding tubes
9
Solenoid valve
10 Injector
11 High pressure line
12 Injector leak-off line
13 Fuel overflow pipe (to be connected to the tank)
Fuel filter
Dimension (mm)
B
A
3.8÷3.81
7.3
Characteristics:
Filtering area ...............≥ 390 cm²
Filtration level ..............≤ 7 µm
See page 14 for fuel filter replacement.
Fuel lift pump
The pump is the diaphragm type and is operated by a camshaft ec-
centric through a drive rod.
Tighten screws to 15 Nm.
Characteristics:
At 2000 rpm of the camshaft, the minimum delivery is 40 l/h, while the
automatic adjustment pressure is 0.5 ÷ 0.7 bars.
Workshop Manual KD 441_cod. 1.5302.865_2
C
D
H
1÷1.2
42
75
nd
ed_ rev. 01.
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