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Yacht Maintenance – Fuel Problems

I came across an interesting article and though that I would share. 

Source: 

http://www.teamwindcraft.com/yacht-maintenance.html 

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  The main problem you might encounter with diesel fuel on your yacht is contamination from algae.

  

Algae survive and grow on the carbon and hydrogen in the fuel and the oxygen of any water lying in the bottom of your fuel tank.

The algae sludge will eventually block your fuel lines and filters and corrode your tank and valuable engine components.

How can you stop fuel contamination on your yacht?

 
    • Water usually gets into fuel tanks from condensation – so keep your tanks topped up to limit this.
    • Be aware that this is also a bit of a trade off with the fuel going stale – you need to use your boat and the fuel.
    • Use a quality fuel additive that has a Biocide – these are very effective at killing any algae in the fuel, but will lead to any sludge blocking the filters, which will need changing at regular intervals until the problem goes away.
    • In a bad case of algae growth your tank may need to be pumped out and cleaned.
    • Regularly check the condition of your fuel in the glass bowl primary fuel filter – this should show early signs of water or a fuel discolouring.
    • Be aware of other early indicators of contaminated fuel: engine won’t reach full rpm or dark exhaust smoke or soot on the transom.
    • Only buy fuel from a reputable seller who has a high turnover.
    • Have a chamois cloth over the filler and use it as an extra filter when filling your fuel tank.
    • Fix any early signs of contamination immediately to stop it getting worse and to prevent any engine damage.
 
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