Fred- I'm curiou why you prefer Teflon on the cloth over ProLube on the cloth. Ed S. ----- Original Message ----- From: "Fred Sturm" <fssturm at unm.edu> To: "College and University Technicians" <caut at ptg.org> Sent: Thursday, October 30, 2008 8:01 PM Subject: Re: [CAUT] S&S Key Bushings > On Oct 30, 2008, at 1:23 PM, Jim Busby wrote: > >> Thanks Fred, >> >> I forgot about the Teflon in the bushings. Do you do that very last? >> >> Jim > > > When I put in new bushings, I apply the teflon before I glue in the > felt. WIth a brand new piano, I put teflon in with a pipecleaner, then > follow with heat. Reason? The pipecleaner "fuzzes up" the felt so it > needs to be ironed down again. With the new piano, the bushing has > never been ironed and probably needs some sizing, as well as lubing > and ironing, so this is just a standard, assembly line process. The > way I use the heated cauls, I don't find any affect on the teflon > powder. > At this point, I haven't done any steam sizing of bushings that > weren't already tefloned for quite a while. But I think I would steam, > then do a first, quick ironing, then apply teflon, then a final ironing. > Chris says with the VS you don't need the additional lube. I guess > I'll see, but my take is that what is described as being in the VS (1% > silicone) is probably a lot less lubrication than a fairly think > application of teflon powder on the felt, and a coating of McLube on > the pin. (Why McLube on the pin? In my experience it sticks on metal > much better than ProLube, and it seems to be the slipperiest substance > I have come across. Granted it's killing brain cells, or the solvent > part of it is. But who needs those? <G>). > > Regards, > Fred Sturm > University of New Mexico > fssturm at unm.edu > >
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