gas tank pipe sealing |
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gas tank pipe sealing |
JFG |
Mar 15 2018, 01:42 PM
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#1
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Senior Member Group: Members Posts: 686 Joined: 7-April 16 From: Wales Member No.: 19,869 Region Association: None |
I lost the tear down pics so i have no images of how it came apart.
Can someone help me with the way to seal the outlet / return pipe that screw onto the bottom of the tank. I have aluminium washers and fibre washers. I've tried with both, the fibres leak badly. They were squashed between the tank and the round collar fixed to the small steel pipe tail. I've tried using just an aluminium washer in the same position as above but still a slight leak. As the retaining nuts are a soft alloy i can't tighten them anymore. Just in case i do ruin them trying to seal them, does anyone know the correct thread size of the outlets on the tank? |
mgphoto |
Mar 15 2018, 03:24 PM
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#2
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"If there is a mistake it will find me" Group: Members Posts: 1,339 Joined: 1-April 09 From: Los Angeles, CA Member No.: 10,225 Region Association: Southern California |
both washers should be copper, the AA versions are a bit small but they do work with the correct "crush".
Harbor Freight has a collection of copper washers, pretty cheap. You could heat them cherry red, let them cool and they will crush very nicely like the exhaust head gaskets. |
worn |
Mar 15 2018, 09:47 PM
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#3
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can't remember Group: Members Posts: 3,162 Joined: 3-June 11 From: Madison, WI Member No.: 13,152 Region Association: Upper MidWest |
both washers should be copper, the AA versions are a bit small but they do work with the correct "crush". Harbor Freight has a collection of copper washers, pretty cheap. You could heat them cherry red, let them cool and they will crush very nicely like the exhaust head gaskets. I do this as a public service every year. To anneal copper you heat to a dull red, or cherry red if you have the nerve, then quench in cold water. Not the same as steel. If you can afford solid gold or silver it is the same. Air cooling these metals can be used as a hardening technique. |
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