BENETEAU First 20, Owner'S Manual

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14.2 LIFTING
The wet surface area of the boat is about: 11 m².
- Before the first application of antifouling to the hull, you can lightly the hull using 400 µm or more wet and dry sandpaper.
- The lower hull of your boat should be covered with an anti-fouling paint which will prevent the adhesion of marine
growth.
- The nature of the water where you keep your boat and the frequency of lifting it out determines the choice of antifouling.
- All bronze or steel surfaces, including the propellers, should be protected by a suitable antifoul paint.
If cleaning off existing antifouling requires high pressure washing:
- Ensure the water temperature does not exceed 15 degrees;
- The water pressure must not exceed 150 bars;
- The distance between the hose nozzle and the hull must not be less than 10 centimetres.
Before applying the antifoul NEVER:
- Do any sandblasting;
- Use any other solvents than ethylic alcohol;
- Use detergents under pressure;
- Use scrapers;
- Use grinding tools.
- Follow the manufacturer's recommendations
scrupulously when applying antifouling.
- Never cover with antifouling:
- the anodes;
- the sea water strainers;
- the sensors of the electronic instruments.
- Avoid using copper or tin-based antifouling:
these are banned in some countries.
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