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Re: [TCML] Should I repot this NST?
If it is not broken then dont fix it. I would use the nst the way it is and
if you do start having problems with internal arcing then try a slow melt or
fill in all the cracks with mineral oil and then seal the top.
On Fri, Sep 19, 2008 at 9:09 PM, bartb <bartb@xxxxxxxxxxxxxxxx> wrote:
> Well, if it's good, most would just use it as is. But, it probably wouldn't
> hurt to slow melt it. One thing about melting is that the case, insulators,
> and gaskets all get hot, so leaks can occur during the process around the
> insulators. Something like this is up to you. I personally would use it as
> is.
>
> Take care,
> Bart
>
>
> Stephen J. Hobley wrote:
>
>> I got hold of a 12kv 60ma NST from a local sign company. It's pretty old
>> and the potting is a bit cracked, as you can see:
>>
>> http://www.flickr.com/photos/20929480@N03/sets/72157607383559345/
>>
>> It passes the "arc to case" test on both sides without any issues, but I
>> was wondering if I should repot/remelt this?
>>
>> I almost cranked up the grill, but then I read how you can overcook the
>> potting on towards the base if not careful.
>>
>> I did melt some of the bigger cracks closed with my 'pocket blowtorch'.
>>
>> Steve
>>
>>
>>
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