Be careful about using a gas-fired oven to dry out the transformers. Water
is a by-product of gas combustion, and the air will carry plenty of water
vapour. Better to use an electric stove oven.
If you are in no hurry, bring the transformer into a dry, heated room and
store it there over the winter season. By the time you start cutting off
the heat in the spring, the transformer should be well dried out. It is
more effective to let the moisture gradually evaporate from the guts of the
transformer, just as it gradually condensed there when the transformer was
in a moist environment, and there will be less likelihood of abnormally hot
temperature causing deterioration of the insulation.
Don K4KYV
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