
FUEL,
ENGINE
OIL
AND
ENGINE
COOLANT
GASOUNE
A Only use unleaded gasoline with an
..
CAUTION:
Oetane rating
of#89
or
higher. A
.lower Octane rating may result
in
a power loss.
Leaded fuels will harm your
CO
system and engine
. and will void unit warranty.
Care
Of
The
Fuel
Supply
Usc
only
clean,
well
filtered
gasoline.
The
passages
in
the
carburetors
and
the
clearances
in
the
fuel
injection equipment
are
very critical for proper
fuel
flow.
Small
contaminants
not
captured in
the
primary filter/water seperator
can
clog
these
passages and
affect
these
clearances,
It
is
important
to
buy
clean
fuel,
and
keep
it
clean.
The
best
fuel
can
be
rendered
unsatisfactory by careless handling or improper
storage
facilities.
To
assure
that
the
fuel
going
into
the
tank
for
your
engine's daily
usc
is
clean
and
pure,
the
following
practice
is
advisable:
Purchase a well-known
brand
of
fuel.
Install
and
regularly service a
good,
Coast
Guard
approved
metal
bowl
type filter/water separator between
the
fuel
tank
and
the
engine.
ENGINE
OIL
Use a heavy duty engine oil with
an
API
classification
of
SJ,
SL or
SM.
Change
the
engine oil and filter after
an
initial
SO
hours
of
engine break-n operation. Then follow the
oil
and
filter
change intervals
as
specified
in
the MAINTENANCE
SCHEDULE
in
this manual.
Westerbeke Corporation does not approve or disapprove the
use
of
synthetic oils.
If
synthetic oils are used, engine break-in
MUST
be
performed using conventional oil.
Oil
change
intervals must be as listed
in
the MAINTENANCE
SCHEDULE section
in
this manual and
not
to
be
extended if
synthetic oils are used.
NOTE: The information above supersedes all previous
statements regarding synthetic oil useage.
ENGINE
COOLANT
WESTERBEKE recommends a mixture of 50%
antifreeze
and
50%
distilled
water.
Distilled water
is
free
from
the
chemicals
that
can
corrode
internal
engine surfaces .
The
antifreeze
performs
double
duty.
It
allows
the
engine
to
run
at
proper temperatures
by
transferring
heat
away
from
the
engme
to
the
coolant.
It
also
lubricates
and
protects
the
cooling circuit
from
rust
and
corrosion.
Use
a
good
quality
antIfreeze
that
contains supplemental
cooling
additives
(SCAs')
that
keep
the
antifreeze chemically balanced, crucial
to
long
tenn protection.
The
water
and
antifreeze should
be
premixed
before
being
poured
IOta
the
cooling circuit.
NOTE:
Use the
new
environmentally{riendly, long lasting,
antifreeze that is
now
available.
A
proper
SO/50
mixture
as
recommended
will
protect
the
engine coolant
to
temperatures of
-40°F.
ANTIFREEZE
PROTECTION
CHART
Antifreeze
concentration
23%
30% 35%
50%
Freezing
Temperature
14°
F 8' F
_4'
F
-40' F
(-10'C)
(-13'C) (-20'C)
(-40'C)
COOLANT
RECOVERY
TANK
A coolant recovery
tank
kit
is
supplied
with
each
generator.
The
purpose of
this
recovery
tank
is
to
allow
for
engine
c~olant
expansion and contraction during engine operation,
WIthout
the
loss
of coolant
and
without introducing air
into
the
cooling
system.
~
WESTERBEKE
Engines & Generators
5
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