Westerbeke 4.0Kw BCDB 50Hz Manual de instalación Pagina 11

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DIESEL
FUEL,
ENGINE
OIL
AND
ENGINE
COOLANT
DIESEL
FUEL
Use fuel that meets the requirements or specification of Class
2-D
(ASTM), and has a cetane rating
of
#45 or better.
Care
Of
The
Fuel
Supply
Use only clean diesel fuel! The clearance
of
the components
in your fuel injection pump is very critical; invisible dirt
par-
ticles which might pass through the filter can damage these
finely finished 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.
Install and rcgularly service a good, visual-type fuel
filter/water separator between the fuel tank and the engine.
The
RayeDI'
225
or
500MA are good examples
of
such filters.
ENGINE
OIL
Use a heavy duty engine oil with an API classification
of
CF
or CG-4 or better. Change the engine oil after an initial 50
hours
of
break-in operation, and every 100 hours
of
operation
thereafter. For recommended oil viscosity, see the following
chart:
Operating
Temperature
Oil
Viscosity
Above
68°F
(20°C)
SAE
30,
10W-30
or
15W-40
41°
-
68°F
(5
-
20°C)
SAE
20,
10W-30
or
15W-40
Below
41°F
(5°C)
SAE
10W-30
or
15W-40
A
CAUTION:
Do
not
allow
two
or
more
brands
of
engine
oil
to
mix.
Each
brand
contains
its
own
additives;
additives
of
different
brands
could
react
in
the
mixture
to
produce
properties
harmful
to
your
engine.
OIL
PRESSURE
The engine's oil pressure, during operation, is indicated
by the oil pressure gauge on the instrument panel. During
normal operation, the oil pressure will range between 35 and
55
psi (2.5 and 3.9 kg/cm2).
NOTE:
A newly started, cold engine can have an oil pressure
reading up to
60
psi
(4.2
kg!cm2).
A warmed engine can have
an oil pressure reading as low as 25
psi
(1.8
kg!cm2).
These
readings will vary depending upon the temperature
of
the
engine, the load placed on the engine,
and
the RPM's.
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:
Lookfor
the new environmentally-friendly long lasting
antifreeze that is now available.
Antifreeze mixtures will protect against an unexpected freeze
and they are beneficial to
the
engine's cooling system. They
retard rust and add
to
the life
of
the circulating pump seal.
ANTIFREEZE
PROTECTION
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
WESTERBEKE diesel engine. The purpose
of
this recovery
tank is to allow for engine coolant expansion and contraction
during engine operation, without the loss
of
coolant and
without introducing
air into the cooling system. This kit is
provided and must be installed before operating the engine.
NOTE:
This tank, with its short 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.
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Engines & Generators
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