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Rivet weeping cured by push method.
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Seven days into my fix of a weeping rivet, problem solved... As stated above, I used a a syringe with a 1/2 diameter barrel. I cut & removed the needle mount to expose the 1/2" opening. I made sure the cut was clean & symetrical to allow a perfect seal when placing over the skin & weeping rivet. I used Pliobond as it has a slow cure and is chemical & gas resistant. To begin the process the fuel level must be below the weeping rivet. 1. Remove the fuel cap.(this will allow a pressure variant) 2. Load a small amount of pliobond into the syringe. 3. Place the opening cut end over the weeping rivet and make sure you have a solid seal against the skin. 4. Depress the syringe. You should feel resistance if you have a solid seal against the skin & providing the push. 5. Repeat step #4 to insure enough pliobond consumes rivet. 6. Let cure for 48 hours to ensure proper seal. Others have suggested green loctite, which may be a better product. But, I happen to have pliobond that I had previously used & was recommened by Lycoming for crankseal sealing. Hope this works for your situation. It's a low cost alternative to what others have suggested. Now I just have to come up with a way to remove the blue fuel stain. |
Since I am just beginning the construction of my fuel tanks, what is the best way to prevent this from happening in the future? Maybe sometimes this can not be prevented, but I'd sure like to do what ever it takes now so that I never get a weeping rivet!
Any advice to a builder that's just starting the tanks? |
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Leaking rivets
Are the leaking ,seeping rivets located in random areas or more leaks in one area such as the back bulkhead ? I saw Dan H put some access panels on the rear bulkhead to allow proper sealing . How have your tanks held Dan ? What diam. are the access holes ? I am working on my slow build wings and trying to gather as much info before I start on the fuel tanks.
Thanks , Tom |
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Mine did after 6 years flying.:( |
Removing left tank to fix this
![]() Couple rivets on top are "breathing" and I want to fix them properly. Thank you Rick for great illustration of the problem. Invasive surgery will be performed via rear baffle. Boy what a pain to remove the tank with pushrod on the way. |
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-Rob |
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I want to fix it right way and with a guarantee Tom. Tank is already off. |
Start here
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http://www.vansairforce.com/communit...ead.php?t=7602 |
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