hondabri Posted November 26, 2013 Report Share Posted November 26, 2013 honda 954 fireblade, fuel pump fixed to underside of tank with halve a dozen studs which are part of the fuel tank, one of these has sheared off causing fuel pump to leak can said stud be welded back on or is welding fuel tanks a big no no? KABOOM!!! if so are there any other solutions to the problem? will post pics when i get a chance............... Link to comment Share on other sites More sharing options...
Beanerno1 Posted November 26, 2013 Report Share Posted November 26, 2013 You could run an exhaust in there for a while, neutralise the fuel, but if the stud can be welded is another thing entirely.. Link to comment Share on other sites More sharing options...
Superdunc Posted November 26, 2013 Report Share Posted November 26, 2013 Weld it at arms length. It'll be fine.* * other advice available. Link to comment Share on other sites More sharing options...
porter_jamie Posted November 26, 2013 Report Share Posted November 26, 2013 get someone to video it though Link to comment Share on other sites More sharing options...
lorenzo Posted November 26, 2013 Report Share Posted November 26, 2013 Probably help if you squinted a bit too. Link to comment Share on other sites More sharing options...
Superdunc Posted November 26, 2013 Report Share Posted November 26, 2013 Definitely squint, you don't want to get Arc eye. Link to comment Share on other sites More sharing options...
thefatman Posted November 26, 2013 Report Share Posted November 26, 2013 When I was doing some welding on a gas cylinder I emptied it, filled it with water, then hid behind the wheelie bin wearing a bobble hat and face shield as I dropped a burning rag onto it using a broomstick to put some distance between us. Link to comment Share on other sites More sharing options...
Evilchicken0 Posted November 26, 2013 Report Share Posted November 26, 2013 Get another tank and sell your original Link to comment Share on other sites More sharing options...
Superdunc Posted November 26, 2013 Report Share Posted November 26, 2013 I once had to weld up a 100 ltr foam filled aluminium tank form a race car in a hurry it was only an inch long split, but the flames and small explosions that came out of the filler neck were distracting. I didn't die though. I read about a Competitor on the Peking to Paris veteran car rally a few year back, who damaged the bottom of their 200ltr tank not long after they'd filled it to cross the Gobi desert. They managed to find a guy with a welder in a small village. Unfortunately they had nothing to decant the remaining 180ltrs of fuel into. Undeterred the Chinese welder, simply used the logic that if the they set light to the filler neck, the bottom of the tank wouldn't catch fire whilst it was being welded. It worked too. Link to comment Share on other sites More sharing options...
gsxr renegade Posted November 26, 2013 Report Share Posted November 26, 2013 Just weld it underwater. The water will stop the fuel igniting. Link to comment Share on other sites More sharing options...
porter_jamie Posted November 26, 2013 Report Share Posted November 26, 2013 it would probably weld better if everyone drank a lot of beer first Link to comment Share on other sites More sharing options...
BudgetBoy Posted November 26, 2013 Report Share Posted November 26, 2013 I have to weld a tank on the old GSXR,, im just going to shove a blow torch in it and the weld straight away. i think its the fumes you have to be concerned about. (IMO) i have also see Exhaust gasses being used while welding,, or flush with water,,, Fill with water (cant see how that's any good) and also purge with argon. heres a vid of using a blow torch for your viewing pleasure. Link to comment Share on other sites More sharing options...
kaighn80 Posted November 26, 2013 Report Share Posted November 26, 2013 I've welded tanks and it is the fumes you need to be concerned with, ask speedy sie to do it Link to comment Share on other sites More sharing options...
Mark/Foggy Posted November 26, 2013 Report Share Posted November 26, 2013 If you've giving it to Si, rinse it with water and a little washing up liquid. This is the time honoured Phase One method of putting the welder off the scent. Seems to work, never lost a welder. Link to comment Share on other sites More sharing options...
Marb Posted November 26, 2013 Report Share Posted November 26, 2013 I've seen the "setlighttothefillercapandnothingisgoingtohappen-method" go horribly wrong. Link to comment Share on other sites More sharing options...
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