On Aug 11, 10:08*pm, Ignoramus9618
wrote:
The control transformer in my mill, heats up to about 120 degrees F,
is that normal or not?

i

Had to convert it to metric to understand, but......

The old rule is "If its too hot to touch, its too hot" - yours should
be OK.

But but but but........check that there are no electrolytic capacitors
nearby, lifespan is severely degraded by higher temperatures. And if
their rated at 85 degrees C, then upgrade to 105 degree C types.

(this falls under the title of "maintenance" which, as is well known,
everyone does with great attention to time and detail...not) hi hi

Andrew VK3BFA.