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Fuel tank A54
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Greg A54 172
Hi guys,
I have the question. I have 2 rakor filters on my fuel tank. I've never had problems with them and never had any signs of contamination for 10 years already. Should I worry about cleaning the fuel tank itself? Never done for the same 10 years. Thx, GD |
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Fuel tank is always a potential problem BUT don’t create problems that already exist. If it’s not causing a problem right now and you’re not crossing an Ocean tomorrow, don’t worry about it. Filter your fuel when you put it in and if you leave the boat for any length of time, try and do so with a full tank. otherwise enjoy your boat and don’t look for problems that aren’t there yet. They will show up soon enough.
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On Dec 7, 2022, at 3:10 PM, Greg A54 172 <41greg.marine@...> wrote:
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Danny and Yvonne SIMMS
Hi Greg, there is a bypass system on the injector pump that returns unused fuel to the tank. This is a vastly greater amount that is used in combustion. So the fuel in the tank is being continually circulated through your racors. I was trying to track a fuel problem once and I filled a 5 liter container with diesel and put the suctions side into it. It took about 5 minutes to empty it so that indicates to degree of fuel circulation that happens.
The outlet from the tank is not right at the floor of the tank so sludge can accumulate there.
Kind Regards
Danny
SM 299
Ocean pearl
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Wolfgang Weber
Hello to the group, the Diesel(B7) in Europe contains 7% Biodiesel and this will cause bacteria growth after 3-6 months . If you clean the fuel dipstick with a white kitchen paper and you find a brown to red smear on it then you are at high risk of bacteria sludge. Inspection with a video cam if empty is possible. Use a chemical against bacteria growth/sludge ! Wolfgang Weber SY ELISE Amel54#162 La Rochelle |
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Scott SV Tengah
Open the inspection hatches and check to see if there's sludge in there.
I personally know two D3-110C owners who have spent a year chasing fuel problems, so I am very very careful about my diesel. Every drop that goes in is filtered through a water separator funnel. I have found leaves, sticks and water in the fuel. I also add Biobor JF into each tank. As an aside, I had issues with corrosion from the outside, so the irony was that the inside of my tank looked nearly new but the outside looked like swiss cheese. This is all due to a failed bilge switch and Amel putting hydrophilic (carpet/foam) materials next to the tanks, a big no-no per ISO and ABYC. I'd pre-emptively replace the bilge switch and put an additional secondary alarm near the bilge. I'm actually adding an additional pump and switch as a backup. -- Scott 2007 A54 #69 SV Tengah http://www.svtengah.com |
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