Ah, a problem near to my heart, as I've just had a tank in my hand and could dissect the fittings and how they went together.
The finger-screens are attached to the sump drain fitting, which screws into the tank with a 'banjo' fitting (that's a real flat elbow to us home plumbers) attached to feed the fuel system. They stick up vertically into the tank. Like a finger. (Duh) Now, the way my AI did it, after I apologized for not thinking and filling up the tanks prior to the annual, was to just unscrew the fitting with the drain in and let the gas run out into a container. He then filtered it into a clean can to put back later. All sorts of gunk came out, causing us to muse that it's probably a good thing to do every so often on GP. Thing is, he's a lot more adept at doing things like that than we probably are and can get away without making a 9 gallon puddle of avgas or else a fireball the size of Hiroshima. If it were me doing it, I'd drain both wing tanks through the drains after flying them as low as possible. Then I'd take off the wing fillet so I could see what I was screwing with. Then I'd remove the fitting from the tank. Actually, I'd ask my A&P to do that last bit, as well as the re-assembly. He'll have the right stuff to paint on the fittings to avoid leaks. Keep in mind that the tank is about the weight of a beer can, and you can't just wrench away at it. If I did it that way, I think I'd probably take some of that avgas I was saving, and slosh it through and out with the fittings out. You might be surprised how much gunk comes out. Greg At 06:50 AM 4/6/00 -0700, Larry wrote: >I've decided I want to clean the screens on the wing tanks. I know >they're down there somewhere, but don't know where. Additionally, it >seems that if I start loosening up fittings, I could fill the interior >of the Coupe with Avgas. How do you cure this problem and get the >screens cleaned? > >Larry > >_________________________________________________________________________ __ >_____ >To unsubscribe from this list please send >mailto:[EMAIL PROTECTED] >_________________________________________________________ >Enlighten your in-box. http://www.topica.com/t/15 __________________________________________________________________________ ______ To unsubscribe from this list please send mailto:[EMAIL PROTECTED] _________________________________________________________ Enlighten your in-box. http://www.topica.com/t/15
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