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A
C
B
D
C
D
E
F
G
H
I
L
M
N
O
P
12
7
PRESSURE ADJUSTER "4"
A
The pressure adjuster is a device which is necessary for
maintaining a constant pressure jump on the injectors.
The pressure adjuster is a differential type with diaphragm,
and is pre-set during assembly at 3±0,2 bar.
B
Upon exceeding the pre-set pressure, the internal duct
opens to allow the excess fuel to flow back into the tank.
Note that to keep the pressure jump to the injectors
constant, the difference between the fuel pressure and
the intake manifold pressure must also be constant.
Disassembly:
•
Loosen clamp "A";
•
Detach tube "B" from the pressure adjuster;
•
Unscrew the pressure adjuster body holder "C" and
remove it together with the pressure adjuster;
C
•
To remove the pressure adjuster "D" from its body, it is
necessary to remove the seeger ring "E".
Reassembly:
Carry out the procedures in reverse order.
D
E
F
UEL SYSTEM
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