Fuel pipe removal

Standard & electronic conversions

Fuel pipe removal

Postby peterm » Tue Dec 27, 2016 5:27 pm

I want to replace the main fuel line from tank to carb, but can't get the old pipe away from the tank. I have cleaned the brass fitting and used the best part of a can of Plus Gas, but it won't shift. The hex is getting somewhat rounded now! Obviously can't use heat. Any suggestions on how to achieve this?
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Re: Fuel pipe removal

Postby The vast minority » Tue Dec 27, 2016 5:55 pm

Had the same problem, ended up taking tank out after cutting the pipe close to the union.
You could cut the pipe very close and get a socket on it with tank in situ

I used sheet metal snips to cut the pipe.
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Re: Fuel pipe removal

Postby woodywoodchipper » Tue Dec 27, 2016 6:40 pm

as Al says cut carefully and use a socket, your renewing anyway


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Re: Fuel pipe removal

Postby Lurch » Tue Dec 27, 2016 6:56 pm

Use a hexagon socket too rather than one of those many faceted things!
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Re: Fuel pipe removal

Postby peterm » Tue Dec 27, 2016 10:15 pm

Thanks lads. That's what I thought I'd end up doing. Not sure I'll get a socket on it now. Too chewed up! May try one of those gator sockets which are supposed to grip even rounded nuts.
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Re: Fuel pipe removal

Postby Lurch » Tue Dec 27, 2016 10:49 pm

Good luck getting it off anyway.
A hammer is your friend getting a socket on..Even a slightly undersized one.. ;)
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Re: Fuel pipe removal

Postby Custard » Wed Dec 28, 2016 8:24 am

I have seen one of the sockets on the right used before, not sure if they come small enough for what you need though.

http://www.irwin.com/tools/browse/screw-bolt-extractors

Wasn't mine, but it gripped well enough to take the half shaft bolts out of a Triumph Spitfire/GT6 axle.

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Re: Fuel pipe removal

Postby Lurch » Wed Dec 28, 2016 11:08 am

You may need to resort to the Stilsons then!
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Re: Fuel pipe removal

Postby ruairidh » Wed Dec 28, 2016 8:14 pm

Mole grips, try tightening slightly before slacking.
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Re: Fuel pipe removal

Postby peterm » Wed Dec 28, 2016 10:45 pm

Tried mole grips. That's why it's all chewed up! The teeth on the grips just chewed through the brass fitting.
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Re: Fuel pipe removal

Postby emjay » Thu Dec 29, 2016 10:17 pm

Being brass it's very easy to deform the fitting, which just makes it worse. A good fitting socket )or slightly smaller) is best now that the pipe is cut. Only a torque is applied rather than a clamping force too.
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