Welding help - Air conditioner condenser

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I have an air conditioner condenser w/a slight crack. Once I disconnect the power, can I stick weld this without shorting the unit?
Reply:Originally Posted by kt123I have an air conditioner condenser w/a slight crack. Once I disconnect the power, can I stick weld this without shorting the unit?
Reply:Originally Posted by kt123I have an air conditioner condenser w/a slight crack. Once I disconnect the power, can I stick weld this without shorting the unit?
Reply:Zapster,Thanks for the reply, just to clarify, welding will not short the unit w/power disconnected.Thanks again.
Reply:Just to clarify once again..Stick welding will result in no condenser coils left to worry about anyway but you are correct..It will not short out the unit....zap!I am not completely insane..Some parts are missing Professional Driver on a closed course....Do not attempt.Just because I'm a  dumbass don't mean that you can be too.So DON'T try any of this **** l do at home.
Reply:kt,If it's aluminum, head down to your LWD and get some aluminum braze alloy.  I'ts mostly tin, with some aluminum, cleans and flows really well.  Tell the counter guy what you're fixing and he'll set you up.If it's copper, use SilFos.  That way, you won't need any flux.Either way, oxy/fuel or MAP gas with a small tip, and you should be good to go.I r 2 a perfessional
Reply:Originally Posted by kbnitkt,If it's aluminum, head down to your LWD and get some aluminum braze alloy.  I'ts mostly tin, with some aluminum, cleans and flows really well.  Tell the counter guy what you're fixing and he'll set you up.If it's copper, use SilFos.  That way, you won't need any flux.Either way, oxy/fuel or MAP gas with a small tip, and you should be good to go.
Reply:Before you put any heat to it, remove the cores from the valves (where you put in the freon) or else the heat will be trapped inside and the oil will foam up. Once oil foams and gets into the rest of the system and then you have other problems.