Chapter
Four
Lay-up
and
Fitting
Out
LAY-UP
Boats that are stored for more than a month require
careful preparation for the lay-up. This is necessary to
prevent the engine from freezing. A thorough service will
also minimize damage from corrosion or fuel system con-
tamination. Begin the service, if possible, while the boat
is still in the water.
If
the boat has been removed from the water, a supply
of
cooling water must be made available to the engine. This
can be accomplished using a water hose attached to the
water pump inlet. Always start the water flow before
starting the engine.
CAUTION
Some
of
the following steps require water
for
the cooling system. The boat must be in
the water, or a source
of
water must be con-
nected to the seawater coolingpump.
NOTE
Except where specified, F
and
D series en-
gines are includedwhen a basic model num-
her
is specified. For example,
ifmodel3GM
is called out in a procedure, the procedure
also applies to
3GMD
and
3GMF.
1. Run the engine until it reaches normal operating tem-
perature.
2. Change the engine oil and filter as described in Chapter
Three.
3. Use a suitable engine fogging oil as instructed by the
oil manufacturer.
4. Thoroughly inspect the engine, including the cooling
and fuel systems. Perform service work that will protect
against damage during extended storage, such as replac-
ing hoses and gaskets. Make a list
of
problems that should
be corrected before the boat is returned to service.
5. Ifthe engine is equipped with freshwater cooling, flush
and change the freshwater coolant as described in Chapter
Three.
6. Drain the seawater cooling system as described in this
chapter. Be sure to drain or
blowout
all portions
of
the
system.
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