Quote:
Originally Posted by john charlton
If you have a rough idea where the obstruction is heat the area with a propane torch then quench with very cold water and repeat . This could free it off worth a try . Not cherry red but black smokey.
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Thanks John,
So it won't harm the shaft to apply heat locally?
And a related question: The shaft is scored and worn at the upper bushing, so will it harm the shaft to build it up with weld at that point, then turn it down back to correct diameter on a lathe?