Owners Manual 4
Winter storage
• Oil system
Change oil on the supercharger. Drain the oil from the engine, either by removing the oil
plug in the oil pan or by a suction tube down the dipstick tube; remember it’s always
recommended to do this when the engine is at operating temperature. Tighten the plug, clean
the oil dipstick and reinsert it in the tube.
Then remove the oil filter and replace it with a new unit (don’t forget to pre lubricate the seal
ring on the filter and prefill the filter with oil) tighten hard with manual power.
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.
Start the engine and run it for a few minutes so that the new oil can lubricate all moving
parts.
Turn off the engine and wait for 5 minutes.
Then recheck the oil level on the dipstick, again add more oil if necessary.
• Fuel system
Check all hoses, clamps and fittings for leakage and wear, replace if necessary. Make sure
the fuel tank is full to prevent water contamination. Add “water repellent” isopropanol to the
fuel system. Remove and replace the fuel filter (remember to prefill the filter with fuel as
you otherwise will have issues with bleeding all the trapped air from the fuel system).
• Cooling system
Start the engine and run antifreeze mix through the raw water system. Check the freeze
protection of antifreeze in the freshwater cooling system. If you need to add antifreeze make
sure you allow the engine to run up to operating temperature allowing the thermostat to open
and mix the added antifreeze. Never use more than 50% antifreeze. Turn off the engine and
drain the raw-water system. At the same time remove the impeller from the impeller pump.
Check all hoses, clamps and fittings for wear and leakage, replace if necessary. The heat
exchanger, intercooler and oil cooler are exposed to raw water and should be inspected for
corrosion that could lead to engine failure. It is recommended that the raw-water cooling
system be cleaned and flushed every 500 hours or at least every second year.
• Exhaust system
When the winter service is completed make sure all exhaust outlets and the air filters are
sealed to prevent moist/salt air from entering the engine.
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