Westerbeke 55A FOUR Installationshandbuch Seite 38

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Seitenansicht 37
LAY-UP
AND
RECOMMISSIONING
GENERAL
Many owners rely on their boatyards to prepare their
craft, including engines and generators, for lay-up during
the off-season or for long periods
of
inactivity. Others
prefer to accomplish lay-up preparation themselves.
The following procedures will allow you to perform your
own lay-up and recommissioning, or you may use them
as
a check list for others. These procedures should afford
your engine protection during a lay-up and also help
familiarize you with the maintenance needs
of
your en-
gine.
If
you have any questions regarding lay-up procedures,
call your local servicing dealer; he will be more than
willing to provide assistance.
PROPELLER
SHAFT
COUPLING
The transmission and propeller half couplings should al-
ways be opened up and the bolts removed when the boat
is hauled out
of
the water or moved from land to water,
and during storage in a cradle. The flexibility
of
the boat
often puts a severe strain on the propeller shaft or cou-
pling, or both, while the boat is taken out or put in the
water. In some cases, the shaft has actually been bent by
these strains. This does not apply to small boats that are
hauled out
of
the water when not in use, unless they have
been dry for a considerable period
of
time.
FRESH
WATER
COOLING
SYSTEM
A 50-50 solution
of
antifreeze and fresh water is recom-
mended for use in the freshwater cooling system at all
times. This solution may require a higher concentration
of
antifreeze, depending on the area's winter climate.
Check the solution to make sure the antifreeze protection
is adequate.
Should more antifreeze be needed, drain an appropriate
amount from the engine block and add a more concen-
trated mixture. Operate the engine to ensure a complete
circulation and mixture
of
the antifreeze concentration
throughout the cooling system. Now recheck the anti-
freeze solution's strength.
LUBRICATION
SYSTEM
With the engine warm, drain all the engine oil from the
oil sump. Remove and replace the oil filter. (Place some
paper towels and a plastic bag around the filter to catch
the oil during its removal.)
When installing the new oil filter, be sure to apply a
small amount
of
oil on the rubber sealing gasket at the
base
of
the filter. Fill the sump with the correct amou'nt
of
oil for your engine model. (Refer to the SPECIFICA-
TIONS section
of
this manual.) Use an
oilwith
an API
specification of CF or CG4. Run the engine and check for
proper oil pressure and make sure there are not leaks.
Stop the engine, check oil level and add oil as needed to
bring level to dipstick full mark.
ACAUTION:
Do
not
leave
the
engine's
old
engine
oil
in
the
sump
over
the
lay-up
period.
Engine
oil
and
combustion
depOSits
combine
to
produce
harm-
ful
chemicals
which
can
reduce
the
life
of
the
en-
gine's
internal
parts.
FUEL
SYSTEM
Top off your fuel tanks with
No.2
diesel fuel. Fuel addi-
tives should be added at this time to control algae, and a
fuel conditioner such
as
ST
ABIL.
Care should be taken
that the additives used are compatible with the primary
filter/water separator used in the system. Change the
element in your primary fuel filter/water separator,
if
the fuel system contains one, and clean the separator
sediment bowl.
Change the fuel filter elements on the engine and bleed
the system,
as
needed. Start the engine and allow it to run
for
5-10 minutes to make sure no air is left in the fuel
system. Check for any leaks that may have been created
in the fuel system during this servicing, correcting them
as
needed.
RAW
WATER
CIRCUIT
Close the through-hull fitting. Remove the raw water in-
take hose from the fitting. Place the end
of
this hose into
a 5-gallon bucket
of
clean fresh water. Before starting the
engine, check the zinc anode found in the heat exchanger
on the engine and clean or replace it as required. Clean
the raw water strainer,
if
one is installed in the inside
of
the hull.
Start the engine and allow the raw water pump to draw
fresh water through the system. When the bucket is
empty, stop the engine and refill the bucket with an anti-
freeze solution slightly stronger then needed for winter
freeze protection in your area.
Start the engine again and allow all
of
this mixture to be
drawn through the raw water system.
Once the bucket is
empty, stop the engine. This antifreeze mixture should
tvvl
WESTERBEKE
I
Engines
& Generators
33
Seitenansicht 37
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