Why not just simply remove the pancover/frizzen instead and welt some material on the "toe"of the frizzen instead? The spring is still perfect, only the pan has been worn at the contact point (sorry for the inaccurate technical terms).
Also if you are really hell bent on getting the screw of the frizzen spring off than you could try heating the lockplate at that area from the opposite side (so not at the spring side, otherwise the spring will loos tension, but at the inside).
Last edited by Marcus den toom; 29th July 2015 at 06:40 PM.
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