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MG 42 Booster bushing repair 2
      Tack the bushing in place with 4 tack welds, checking after each for
proper positioning of the bushing.
       After the bushing is properly tacked weld it in with deep penetrating
welds in 4 opposing sections.
      TIG is the preferred method of doing this, if you do a neat job you
don't have to even grind the weld.