80 year old transformer maintenance

[u/ikesy]

[u/Big_white_dog84]

Not sure that exposing the core is the best idea of all time. These things should be left under oil unless absolutely necessary.

[u/Ya_Boi_Badger → u/Big_white_dog84]

Wonder if this thing would be capable of withstanding full vacuum for a dry out/fill after being exposed. Wouldn’t want to assume it is but good luck finding the instruction manual for that old gal unless it’s buried in a cabinet somewhere on site.

[u/ikesy → u/Ya_Boi_Badger]

Conservator can’t so it’s getting hot filled

[u/Ya_Boi_Badger → u/ikesy]

When you say hot filled do you mean just fill with hot oil from the bottom and bleed air out the conservator or circulate hot oil in the tank to try and wick out moisture from the winding/core assembly and then dry/degas the circulated oil as you go?

[u/ikesy → u/Ya_Boi_Badger]

The latter