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Threadcharmer(at)cs.com
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 Posted: Mon Oct 20, 2008 12:24 pm Post subject: Fuel Tank Issues |
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Has anyone else experienced large black particles clogging their fuel draining valve? I suspect these particles may be a deteriorating fuel tank lining. When I check my fuel during my pre-flight, many times the valve on the plane's belly will drip until I remove the thing completely and let a little fuel out into a bucket. There are usually quite a few large (1/4'' square) particles along with some black grit.
I use the same gas station to fill both my planes and have no problem with the other one. B-Bar-D in North Carolina tells me I'm the only one complaining of this. Could this problem be unique to a certain batch of airplanes? My kit was delivered in June of 2006.
Any others having this experience?????
Dale Hackworth [quote][b]
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Thom Riddle
Joined: 10 Jan 2006
Posts: 1597
Location: Buffalo, NY, USA (9G0)
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| Posted: Tue Oct 21, 2008 3:17 am Post subject: Re: Fuel Tank Issues |
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Dale,
We had a 2003 model Allegro 2000 and had the same issue. We emptied the tank and looked inside. It appears to me that the black stuff is some sort of adhesive(maybe) that is used to hold the fuel pick-up tube to the bottom of the tank. I saw no obvious deterioration of the tank itself. We used predominantly ethanol-free autogas.
The drain valve can usually be cleared of this stuff by holding it wide open, not just cracked open, to get a good high speed/volume flush followed by quickly closing the valve. This way, if the debris is small enough to pass through the valve opening, it will and closing it quickly helps reduce the probability of it closing on a piece of debris resulting in a dripping leak.
In our case, after a couple years, all the debris finally dissipated and was no longer a problem.
Good luck with yours.
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_________________
Thom Riddle
Buffalo, NY (9G0)
Don't worry about old age... it doesn't last very long.
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