50
Superior
Technology
Fuel system
Circulation preliminary filter
with water separator
(optional)
The circulation water separator is installed
between the fuel tank and fuel presupply pump.
The exact installation location depends on the
type of boat.
Functional description
The fuel flows through the inlet opening and an
internal system of guide vanes. An intensive
rotary motion is induced which forces the fuel
into the bowl section.
Water droplets and heavy particles are expelled
by the centrifugal force, they collect on the bowl
walls and finally settle on the base of the bowl.
During the further course of the filter process, the
fuel must pass through the guide vane system
positioned on the outer housing.
Due to the different lengths of the deflection
vanes and the double change in direction of flow,
smaller water droplets and fine particles are
expelled and also collect on the base of the
bowl.
The considerable increase in cross section below
the filter element causes the fuel to settle while
the finest water droplets and particles are
expelled.
The remaining particles and water are
subsequently filtered out by a replaceable filter
element.
MSSP_001_044
Alternative
outlet opening
Alternative
inlet opening
Guide vane
Filter
element
Waster
drain
Bowl
section
Cross section
enlargement
Guide vane
Inlet
opening
Outlet
opening
Please refer to the Owner's
Handbook or the current Workshop
Manual for instructions on the
maintenance and water draining
procedure.
Bowl base
Summary of Contents for SDI 55-5
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