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WINTER STORAGE
Protect your engine from freezing and corrosion damage by following the procedures indicated below.
•LUBRICATION SYSTEM
-. Start the engine and allow it to reach normal
operating temperature.
-. Turn off the engine. Drain the engine oil using
the oil extraction pump. If the oil extraction
pump is not installed, drain oil by removing the
oil pan drain plug.
-. Change the oil and oil filter and refill the
engine with new oil according to technical
maintenance specifications.
-. Check the oil level on the dipstick and if
necessary add more oil to reach the correct oil
level.
• FUEL SYSTEM
-. Check for fuel leaks where the line from the
fuel tank connects to the engine. Tighten or
replace the connection if necessary.
-. Close the fuel valve. Clean the water
separating fuel filter. Replace the filter element.
-. After replacing the filter element, open the fuel
valve to fill the entire fuel circulation line.
-. Fill the fuel tank with fresh fuel to avoid
condensation in the fuel tank.
-. Close the fuel valve.
• COOLING SYSTEM
-. Close the water valve.
-. Connect a freshwater source to the seawater
inlet. Run the engine at idle to flush all
seawater out of the system.
-.Fill the cooling system (seawater side) with a
30~50% solution of anti-freeze. Circulate
into the seawater system by running the engine.
INSTALLATION & OPERATION MANUAL
U125 Series Engines
• COOLING SYSTEM
-. IF the seawater system is not filled with an
antifreeze solution as per the instructions above,
completely drain the seawater system by
removing the heat exchanger and intercooler
anodes.
-. Remove the sea water pump impeller and store
in a dark place out of sunlight.
-. Check all connections with inlet hoses.
Tighten or replace the connection if necessary.
-. Replace or Check the cooling system 500
hours and every two years.
(Heat exchanger & Inter-cooler)
• INTAKE SYSTEM
-. Remove the air filter from engine.
-. Clean the air filter.
-. Intake part should be kept hermetically sealed.
• ELECTRICAL SYSTEM
-. Disconnect the battery (-) cable to system
ground
-. Disconnect the battery (+) cable.
-. Clean the battery cable and terminals.
-. Coat the terminal connection with a battery
terminal anti-corrosion agent.
-. Whenever the battery will be stored for an
extended period of time, be sure the cells are
full of battery is fully charged.
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