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Fuel System
Top off your fuel tanks with No.2 diesel fuel. Fuel additives should be added at this time to control algae
and condition the fuel. Care should be taken that the additives used are compatible with the primary fil-
ter/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 fuel 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.
Sea Water Circuit
Close the through-hull sea cock. Remove the sea water intake hose from the sea cock. 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 primary heat exchanger on the engine and clean or replace it as required, and also clean any zinc
debris from inside the heat exchanger where the zinc anode is located. Clean the sea strainer, if one is in-
stalled in the inside of the hull.
Start the engine and allow the sea water pump to draw fresh water through the system. When the bucket
is empty, stop the engine and refill the bucket with an antifreeze solution slightly stronger than needed for
winter freeze protection in your area.
Start the engine and allow all of this mixture to be drawn through the sea water system. Once the bucket
is empty, stop the engine. This antifreeze mixture should protect the sea water circuit from freezing during
the winter lay-up, as well as providing corrosion protection.
Remove the impeller from your sea water pump (some antifreeze mixture will accompany it, so catch it in a
bucket). Examine the impeller. Acquire a replacement, if needed, and a cover gasket. Do not replace the
impeller (into the pump) until recommissioning, but replace the cover and gasket.
Intake Manifold and Through-Hull Exhaust
Place a clean cloth, lightly soaked in lubricating oil, in the opening of the intake manifold to block the open-
ing. Do not shove the cloth out of sight. (If it is not visible at recommissioning, and an attempt is made to
start the engine, you may need the assistance of a servicing dealer.) Make a note to remove the cloth prior
to start-up. The through-hull exhaust part can be blocked in the same manner.
Generator End
Remove the louvered cover on the end of the generator. Check all wire connections on the AC terminal
block and those running to the capacitor(s) and the bridge rectifier making sure they are secure. Should
these connections appear corroded, they should be removed, cleaned, and reconnected. Make sure all AC
leads are properly cleaned and reconnected. Make sure all AC leads are properly supported and not chaf-
ing as they exit the generator housing.
Westerbeke Generators
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