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FJR Motorcycle Forums
Technical & Mechanical Problems
Installing a bulkhead fitting through the fuel pump
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<blockquote data-quote="Joe2Lmaker" data-source="post: 515258" data-attributes="member: 2663"><p>Thanks to madmike2 I have a GenI fuel pump flange. :drinks: </p><p></p><p>Here's what it looks like:</p><p></p><p><a href="https://picasaweb.google.com/lh/photo/QgRm8yV86NH0rG9RHanCPQ?authkey=LceYnAvhU4A" target="_blank"><img src="https://lh3.ggpht.com/_bK1brEe0wUk/SRjIdpxUDLI/AAAAAAAACNo/j6Z5dq1PQ5o/s400/DSC04254.JPG" alt="" class="fr-fic fr-dii fr-draggable " style="" /></a>[SIZE=36pt]<span style="font-family: 'Arial Black'"> </span>[/SIZE]<a href="https://picasaweb.google.com/lh/photo/I1VOQ31CmQmOGihE-L7V1w?authkey=LceYnAvhU4A" target="_blank"><img src="https://lh6.ggpht.com/_bK1brEe0wUk/SRjIedi4KjI/AAAAAAAACN8/qeK-Yk5N2Tg/s400/DSC04261.JPG" alt="" class="fr-fic fr-dii fr-draggable " style="" /></a></p><p></p><p>And here's the interesting part:</p><p></p><p><a href="https://picasaweb.google.com/lh/photo/OJNkA42JSgvX8IBVeo_3yQ?authkey=LceYnAvhU4A" target="_blank"><img src="https://lh6.ggpht.com/_bK1brEe0wUk/SRjId-WKYhI/AAAAAAAACNw/0jvU-om6YCE/s800/DSC04260.JPG" alt="" class="fr-fic fr-dii fr-draggable " style="" /></a></p><p></p><p>I can add some arrows to the photo if this description is unclear...</p><p></p><p>What you see in the photo is the return fitting as seen from inside the fuel pump flange. At the base three of the snap lock features are shown. When the fitting is inserted in the flange, the six snap locks (also known as lock tabs, see <a href="https://engr.bd.psu.edu/pkoch/plasticdesign/snap_design.htm" target="_blank">link</a>) are deflected by the larger diameter of the fitting. The fitting has a ring with a smaller diameter which the locks snap into. I'm assuming there is an "O" ring in there, but I'm not going to take it apart (yet :unknw: ). On the outside of the flange is a hex shape. That seems to be there only to orient the fitting. It would otherwise spin freely on the snap locks.</p><p></p><p>There is also a check valve in the fitting. Gravity feed advocates won't like that. Those who have a pump in their auxiliary fuel line might like it, but shouldn't be bothered by it.</p></blockquote><p></p>
[QUOTE="Joe2Lmaker, post: 515258, member: 2663"] Thanks to madmike2 I have a GenI fuel pump flange. :drinks: Here's what it looks like: [URL="https://picasaweb.google.com/lh/photo/QgRm8yV86NH0rG9RHanCPQ?authkey=LceYnAvhU4A"][IMG]https://lh3.ggpht.com/_bK1brEe0wUk/SRjIdpxUDLI/AAAAAAAACNo/j6Z5dq1PQ5o/s400/DSC04254.JPG[/IMG][/URL][SIZE=36pt][FONT='Arial Black'] [/FONT][/SIZE][URL="https://picasaweb.google.com/lh/photo/I1VOQ31CmQmOGihE-L7V1w?authkey=LceYnAvhU4A"][IMG]https://lh6.ggpht.com/_bK1brEe0wUk/SRjIedi4KjI/AAAAAAAACN8/qeK-Yk5N2Tg/s400/DSC04261.JPG[/IMG][/URL] And here's the interesting part: [URL="https://picasaweb.google.com/lh/photo/OJNkA42JSgvX8IBVeo_3yQ?authkey=LceYnAvhU4A"][IMG]https://lh6.ggpht.com/_bK1brEe0wUk/SRjId-WKYhI/AAAAAAAACNw/0jvU-om6YCE/s800/DSC04260.JPG[/IMG][/URL] I can add some arrows to the photo if this description is unclear... What you see in the photo is the return fitting as seen from inside the fuel pump flange. At the base three of the snap lock features are shown. When the fitting is inserted in the flange, the six snap locks (also known as lock tabs, see [URL="https://engr.bd.psu.edu/pkoch/plasticdesign/snap_design.htm"]link[/URL]) are deflected by the larger diameter of the fitting. The fitting has a ring with a smaller diameter which the locks snap into. I'm assuming there is an "O" ring in there, but I'm not going to take it apart (yet :unknw: ). On the outside of the flange is a hex shape. That seems to be there only to orient the fitting. It would otherwise spin freely on the snap locks. There is also a check valve in the fitting. Gravity feed advocates won't like that. Those who have a pump in their auxiliary fuel line might like it, but shouldn't be bothered by it. [/QUOTE]
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FJR Motorcycle Forums
Technical & Mechanical Problems
Installing a bulkhead fitting through the fuel pump
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