I like the "putting your hand on top" method. Cheap and not as messy.BillHarris-w7kxb
> From: [email protected] > To: [email protected]; [email protected]; [email protected] > Date: Tue, 17 May 2011 13:05:56 -0600 > Subject: Re: [Elecraft] Astron hum/vibration > > > I've not repaired a high current xfrmr, like that one, but have the lower > current ones... > With hum that is physical, and a vibration, that maybe caused by the varnish > breaking its hold > and letting the individual windings rattle. > I may have just been lucky too... all I did was take the transformer shells > off, exposed windings are now very visible, although only the top winding... > and a cheap wager would be that it isn't the top one rattling... then very > slowly pour new vanish onto the windings. > Let it settle some, and add more.. yep,.. it is messy... very messy.. not > something you'd want to do on carpet... or cement... or in a sink... trust me > here... and that is another story.. really. > Let it settle in,.. add more.. when it seems to not want to do anywhere, > but on your shoes... maybe now would be a good time to stop. > Let in air dry... for a long...long ... long.. time. well... ok.. tomorrow > then. (24 hours.... it is always tomorrow somewhere) > Put it all together... and hum.. away... well.. hopefully at least, it is > away. > Have a great day, > > --... ...-- Dale - WC7S in Wy ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
