Priming
the
Fuel System
The
models covered
by
this manual have a single replaceable fuel filter in the engine-
mounted fuel system. This filter
Is
located between the engine mounted electric fuel
pump
and
the
inlet
to
the fuel injection pump.
The
exploded
view
below shows this filter element
as
Item
#21.
SeNic:ing
this filter element is explained a few pages further in this manual.
When
the
titer element in this
cannister
has been changed, the air in
the
system is bled
out
by
simply turning on
the
panel key
switch
which
energizes the fuel pump. The pump delivers
fuel
to
the
system
which
pushes
the
air
out. AIIowthe fuel pump
to
operated
for
approximately
on minute
to
accomplish
this.
21
Prolonged
cranking
intervals
without
the
engine starting can resuH
in
filling
the
.
engine-mounted
exhaust
system
with sea
water
coolant. This may
happen
because
the
sea
water
pump
is
pumping
sea water
through
the
sea
water
cooling
system
during
cranking.
This sea
water
can
enter
the
engine's.
cylinders
byway
of
the
exhaust
manifold once
the
exhaust
system
fills.
Prevent
this
from
happening
by
closing
the
sea water
supply
through-hull
shut-off,
drain
the
exhaust muffler,
and
correct
the
cause
for
the
excessive engine cranking
needed
to
obtain
a start. Engine damage resuHing
from
this
type
of
sea
water
entry
is
not
a warrantable issue;
the
owner/operator should keep
this
in
mind.
-.v:
WESTERBEKE
Westerbeke Diesel Engines
Engines & Generators
18
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