Figure 3
Working system description
The fuel (5) is primed from the fu el tank from the priming
pump (6). The latter is fitted on the engine basement and is
driven by the engine camshaft.
Throughout the filter (4), fuel is conveyed to the transfer
pump, which is placed inside the supply rotary pump (2),
which is a turbine blade pump type. The supply rotary pump
duty is to increase the fuel pressure based on the increase of
engine revolutions’ number.
Then, the fuel reac hes the valve controlling fuel pressure with in
the supply pump.
The distributor piston further in creases such pressure and
delivers the fuel to the injectors (1) throughout the delivery
pipe fitting.
The fuel leak (3) from the injectors is recovered and sent back
to the fuel tank.
119961
SECTION 2 - SUPPLY
5
F32 SERIES
Pri nt P2D32F005 E Base - April 2009
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