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Old 9th Dec 2019, 8:27 pm   #54
Bazz4CQJ
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Join Date: Apr 2009
Location: Oxfordshire, UK.
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Default Re: Damaged vintage variac

Quote:
Originally Posted by Goldie99 View Post
If the insulator is phenolic, then 100°C shouldn't damage it, but may be enough to expand the metal sufficiently to free it off...
Maybe the trick would be use a hot-air gun (paint stripper), or perhaps a gas torch, to heat up the metal quickly while trying to avoid getting much heat into the phenolic.

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