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to the left is the inside of a zw transformer the transformer is in center of the picture, n or the 2 metal angled rods hold the transformer sometimes they get bend or straightened out which when looser will cause the vibrations so you could bend the 2 rod a little more for pressure which will  result to hold the steel plates tighter and stop the vibration ! actually it does not matter the vibration does not hurt anything at all!

turbgine posted:

I picked up a model "Z" transformer this week. The voltages check out fine but there is a noticeable hum from the unit. Is this normal and OK or is something wrong that needs to be fixed?

Thanks

I have 2 Z’s that I have been using & have been “Humming” along for over 30 years “NO PROBLEM” !!

Use and enjoy 😊 them!!!

 

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OGR Publishing, Inc., 1310 Eastside Centre Ct, Suite 6, Mountain Home, AR 72653
800-980-OGRR (6477)
www.ogaugerr.com

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