DIESEL
FUEL,
ENGINE
OIL
AND
ENGINE
COOLANT
DIESEL
FUEL
Use
a
diesel
fuel
that
meets
the
requirements
of
No.
2-D
SAE
J
313
and
has
a
Cetane
rating of
#45
or
higher
grade
of
dies~!
fuel
according
to
ASTM
0975.
Care
Of
The
Fuel
Supply
Use
only
clean
diesel
fuel!
The
clearance
of
the
components
in
your
engines
fuel
injection
pump
is
very
critical;
invisible
dirt
particles
which
might
pass
through
the
primary
and
secondary
filters
can
damage
these
finely
machined
parts.
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
use
is
clean
and
pure,
the
following
practice
is
advisable:
Purchase
a
well-known
brand
of
fuel.
The
use
of
additives
to
combat
BACTERIAL
growth
on
the
fuel
tank
is
recqm-
mended
such
as
Bio-Bor
and
an
additive
such
as
Diesel
'Klee~1
+
Cetane
Boost
to
help
restore
lubricity
back
intO
the
diesel
fuel
when
an
Ultra
Low
Sulfur
diesel
is
being
used.
Install
and
regularly
service
a
good,
visual-type
fuel
fiHeriwater
separator
between
the
fuel
tank
and
the
engine.
The
Raycor
500
MA
or
230
RMAM
are
.good
examples
of
such
filters.
A
10
micron
filter
element
is
recommended.
ENGINE
OIL
Use a good brand of engine oil, with
an
API
classification
and
SAE
as
stated in the
SPECIFICATIONS
section of this
manual. Change the engine oil and oil
filter
after the initial 50
hours of engine break-in operation and
then
every
100
hours
of
operation thereafter.
Westerbeke Corporation does not
approve
or
disapprove of
the use of synthetic
oil.
If
synthetic oil
is
used,
engine
break-in
must be performed using conventional
oil.
Oil
change intervals must
be
as
listed
in
the
MAINTENANCE
SCHEDULE
section
of
this manual and not
to
be extended
if
synthetic oil is
used.
NOTE:
The
infonnation above supersedes all previous
statements regarding synthetic
oil.
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
engine
to
the
coolant,
and
lubricates
and
protects
the
cooling
circuit
from
rust
and
corrosion.
Look
for
a
good
quality
antifreeze
that
contains
Supplemental
Cooling
Additives
(SCAs)
that
keep
the
antifreeze
chemically
balanced,
crucial
to
long
term
protection.
The
distilled
water
and
antifreeze
should
be
premixed
before
being
poured
into
the
cooling
circuit.
NOTE:
Look
for
the
new
environmentally-friendly
long
lasting
antifreeze
that
is
1ww
available.
PURCHASING
ANTIFREEZE
Select
a
brand
of
antifreeze
specified
for
diesel
engines.
Antifreeze
speci11~d
for
diesel
engines
contains
a
special
additive
to
protect
against
cavitation
erosion
'of
the
engine's
'
cylinder
walls.
Prestone
·and
Zerex
are
two
nationally
known
brands.
that
offer
antifreeze
specifically
for
use
in
(fiesel
engines.
Select
the
pre-mixed
variety
so that
the
cO!TeC:t
mixture
will
always
be
added
to
the
cooling
system
when
needed.
Change
the
antifreeze
mixture
according
to
the
MAINTENANCE
SCHEDULE
in
this
manual.
MAINTENANCE
Change
the
engine
coolant
every
five
years
regardless
of
the
number
of
operating
hours
as
the
chemical
additives
that
protect
and
lubricate
the
engine
have
a
limited
life.
COOLANT
RECOVERY
TANK
TI1e
coolant
recovery
allows
for
the
expansion
and
contraction
of
the
engines
coolant
during
engine
operation
without
introducing
air
into
the
system.
This·recovery
tank
is
provided
with
fresh
water
cooled
models
and
with
the
fresh
water
coolant
conversion
kit
and
must
be
installed
before
operating
the
engine.
NOTE:
T7lis
tank,
with
its
sh01t
run
of
plastic
hose,
is
best
located
at
or
above
the
level
of
the
engine's
manifold,
but
it
can
be
located
below
the
level
of
the
engine's
manifold
if
the
particular
installation
makes
this
necessary.
Engines
&
Generators
5
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