[NSRCA-discussion] Robart air can leak

[Bob Richards]

Instead of just applying the solder over the hole, try cutting a small patch out of a soda can and lap-solder that over the hole. Of course, you need the special aluminum solder, called "alum-alloy" or something like that.
   
  Make sure the tank is vented while soldering.
   
  Bob R.
  

Ken Thompson <mrandmrst at comcast.net> wrote:
            Does anybody have any clue how I can repair a pinhole leak in a Robart air cylinder?
   
  For some reason there is a tiny leak in the side of the can.  Solder and silver solder won't hold pressure.  I thought about JB weld for aluminum, but I'm not sure that will hold 80 to 100 PSI either.
   
  Any hints would be helpful, TIA.
   
  Ken

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