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Fuel Tank Fix?


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#1 fishingbud OFFLINE  

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Posted August 05, 2013 - 10:56 PM

I have an mf7, the fuel tank leaks, groun offall the jb weld and found a 4 inch crack at the bottom. Not a hair line crack, almost looks like a tear. Should i braze, weld, or throw it? I see one on ebay, but 20 bucks and not even sand blasted seems a bit much. Any thoughts?
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#2 Texas Deere and Horse OFFLINE  

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Posted August 05, 2013 - 10:59 PM

You can cut a patch and solder it in place pretty easily. Just make sure you rinse the tank out good with water before getting close to the tank with a torch.


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#3 Alc ONLINE  

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Posted August 06, 2013 - 05:47 AM

 I've soldered my tank with an old large iron using a piece of copper for a patch , I'll see if I can find the thread .



#4 superaben OFFLINE  

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Posted August 06, 2013 - 06:25 AM

You can cut a patch and solder it in place pretty easily. Just make sure you rinse the tank out good with water before getting close to the tank with a torch.

 

Brian, I would go farther than that: metal has pores that hold the gas vapors in.  I would take it to a welder and let him fill it with inert gas, and let him blow himself up.

 

Ben W.


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#5 Guest_gravely-power_*

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Posted August 06, 2013 - 07:13 AM

I have soldered and/or brazed  dozens of fuel tanks. If you want to braze it, just dry it out and run some exhaust fumes from any tail pipe into the tank and that will render it safe.


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#6 robert_p43 OFFLINE  

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Posted August 06, 2013 - 07:49 AM

 I've soldered my tank with an old large iron using a piece of copper for a patch , I'll see if I can find the thread .

That iron is the trick for a non explosive soldering job on a gas tank.  You don't use a torch.


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#7 Alc OFFLINE  

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Posted August 06, 2013 - 07:54 AM

Found the thread I made

 

http://gardentractor...gas-tank-a-try/


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#8 fishingbud ONLINE  

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Posted August 09, 2013 - 01:04 AM

Well i tried to weld it, but failed....so i broke down and got one off ebay for 20...new is 40 bucks or so....oh well




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