3M Adhesive Remover, available at most NAPA stores will definitely remove any gunk...
> From: steve_nor...@msn.com > To: phono-l@oldcrank.org > Date: Sat, 9 Jul 2011 20:51:25 -0400 > Subject: Re: [Phono-L] FW: Frozen mandrel bearing > > > I would be interested in knowing if it was the oil or the pot metal swelling. > 3 in 1 is horrible, ever wonder what the varnish is on the governors? I > rebuild reproducers and like Rich says 3 in 1 makes an excellent glue. If > anyone wants any 3 in 1 I have two containers from the 1980's I will never > use. Steve > > From: jnic...@fuse.net > > Date: Sat, 9 Jul 2011 13:45:02 -0400 > > To: phono-l@oldcrank.org > > Subject: Re: [Phono-L] FW: Frozen mandrel bearing > > > > I don't agree that the potmetal "probably never will" expand. I just took > > an Edison Standard Model D out of a closet where it sat untouched for > > several years. The bearing was stuck. It was fine the previous time I used > > it. > > > > Jim > > > > On Jul 9, 2011, at 11:26 AM, Rich wrote: > > > > > If it was not crumbling or "expanding" by now it probably will not later > > > so I would leave it. The problem is that the term "pot metal" actually > > > describes nothing. What was the actual formula that was used to cast > > > these bearings? What was the purity of the metals used? The lack of > > > dimensional stability is the result of impunities introduced at > > > manufacturer. The impurity content seems to have been random. > > > > > > On 07/09/2011 09:24 AM, Bill Taney wrote: > > >> Is there any reason you would ever leave a potmetal bearing in one of > > >> these machines? I have always had it replaced whether it needed it or > > >> not figuring that it is easier to do when its not siezed and it is an > > >> inevitablity so why not replace it with a brass one... Am I missing > > >> something? > > >> > > >> Sent from my iPhone > > >> > > >> On Jul 8, 2011, at 11:42 PM, Rich<rich-m...@octoxol.com> wrote: > > >> > > >>> Potmetal continues to grow until it just crumbles. Reaming is a > > >>> temporary fix. As someone else pointed out the bearing has probably > > >>> been lubed with 3 in 1 in the red can which is a pure mineral oil with > > >>> no rust or oxidation inhibitors and just soaking with Kroil will > > >>> usually get it going again. Not all potmetal of that period is > > >>> defective. Oxidized 3 in 1 is a powerful adhesive though. > > >>> > > >>> On 07/08/2011 08:31 PM, Steven Medved wrote: > > >>>> > > >>>> > > >>>> > > >>>> > > >>>> If I remember correctly the home and triumph pot metal bearings are > > >>>> thick, I would think if the shaft could be removed the bearing could > > >>>> be reamed out to the correct size and it could be used. Has anyone > > >>>> ever tried this? Steve > > _______________________________________________ > > Phono-L mailing list > > http://phono-l.oldcrank.org > > _______________________________________________ > Phono-L mailing list > http://phono-l.oldcrank.org _______________________________________________ Phono-L mailing list http://phono-l.oldcrank.org
