4.8.1
Hydraulic diagram of the fuel pump
Oil seal
By-pass screw
A
E
Nozzle
Filter
H
Valve
NC
Pressure gauge fitting
P
4.8.2
Fuel pump
Solenoid valve
1
Solenoid valve connection
2
Fuel conveying pipe
3
Vacuum gauge fitting
4
48
Gears
P1
R
S
T
V
1
2
3
4
5
5
6
7
8
Pressure adjustment screw
Return
Inlet
Pressure regulator
Vacuum gauge fitting
Inlet
Return
Fuel pressure regulator
Pressure gauge fitting
EN
Pressure
Return
Fig. 18
8
7
6
Fig. 19