Wedding of the bacteria

That’s what our friend Guenther called it, when we emptied the jerrycans into the tank and suddently all our good diesel turned into a sludgy mess. Yesterday I finally motivated myself and got down into the engine dungeon to look at our fuel situation. First I connected a two meter fuel hose to our waste-oil pump and got about 30 l of (not too bad) diesel out of the tank.

I then disconnected all hoses and openend our fuel tank to have a first look. Definately bacterias. And lots of them ! I pumped the rest of the dirt into the jerrycans and swiped the whole tank clean. Then I started dismounting the fuel in- and outlets and cleaned all these parts. I discovered that the fuel outlet was a pipe-in-a-pipe and only held in place by a piece of rubber !! – And the fuel meter, which is stainless steel was mounted inside an aluminium (!!) pipe. How anyone doing business with boats would put an aluminium pipe inside a stainless stell tank is a mystery to me. I just think of it as another solved legacy problem.

I also discovered the reason for our mess: It was the diesel we got from the Flamenco Bay Marina ! (Thanks guys !) When I looked into the jerrycans, we filled in the marina, there was about half a liter of diesel left. After a week in the sun, one clearly could see the mud/bacteria seperating down at the bottom. Our problems during our last journey also only started after we put that diesel into our tank. Well, well…..

Now I’m gonna go into town to look whether the new fuel filters have arrived, thereafter I’ll put everything together again.

ps: Yes, we consistently use anti-bacteria additive for our fuel. Unfortunately not the good Grotamar 82, because it’s not available here…

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