Well. I took up one of the capacitors and the label says the following:

HCGFA
1800 MFD 450 VDC
SURGE 500 VDC
POSITIVE +

Here is an ebay link that shows the actual capacitor that I have.
http://www.ebay.es/itm/HCGFA-Capacitor-1800-MFD-450-VDC-Surge-500-VDC-Used-/120838813902

There are several models on Digikey that have the same capacitance and
voltage ratings, but I don't know if theres anything else to check.

Visually inspecting the caps, they look ok, they don't seem to be swollen
or anything, but I guess that doesn't tell anything.

Do you have any advices?

Thanks as always!

Leonardo



2014-07-16 13:04 GMT-03:00 Leonardo Marsaglia <leonardomarsagli...@gmail.com
>:

>
> 2014-07-16 12:39 GMT-03:00 John Kasunich <jmkasun...@fastmail.fm>:
>
>> The voltage drop when a compressor or other large motor starts only
>> lasts a tenth of a second to maybe a second or two.  Too short to see
>> with a voltmeter unless you are lucky, but long enough to trip a drive.
>>
>
> Thanks for the reply John. Well I was just checking that everything is
> normal on the transformer side, but the problem anyway is not related to
> other motors because if I only turn on the lathe, I got the same problem
> and now it won't give up.
>
> I'm about to remove the capacitors to see the ratings and find the
> replacement to see if that fix the problem. I don't know if I can test
> them, but anyway I want to know how much do they cost.
>
>
>
> --
> *Leonardo Marsaglia*.
>



-- 
*Leonardo Marsaglia*.
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