>Hi!
>
>Have a nice transformer.. Large n' bulky etc!
>2.5 kV Secondary..Low R's etc
>
>But is only half-filled with X-fmer oil.
>Used in the Swedish Army long time ago.
>
>I'm suspecting it has PCB's in oil,
>so kind of little bit unwilling to pour it out....
>
If the oil has an odor similar to moth balls, it probably contains pcb.
If there are no leaks, add non-pcb cooling oil. If there's a leak and
you want to get rid of the remaining pcb, pour it in a steel bucket,
insert rolled up newspapers for a wick, wet the wick with kerosene, and
burn it. Burning (heat/oxygen) is one pcb disposal method used by
commercial waste disposers.
>So the question is :
>Is it possible just to top 'her' up without removing
>the old stuff?
>
>What will happen if two different oils are blended
>when it comes to boiling temps etc?
>Xfmr oils often has a low boiling temp type 140 c
>(Guess the thing has to work when it's cold outside aswell
>without going into a half-liquid state? ;o)
>as opposed the oil I were thinking of..compressor oil,
>or something like that.
Almost any thin oil will work.
>
>The compressor oil is somewhere around the 190's or more.
>
>So what do you folks think?
>
>1) Top her up with another oil?
>2) Remove PCB-oil, give her compressor oil?
>3) Blend it like Whiskeys?
>
>
>73's
>Joe aka SM0EJR
>
>
>
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>
- R. L. Measures, a.k.a. Rich..., 805.386.3734,AG6K,
www.vcnet.com/measures.
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