Mark Cramer wrote: >Question: > >I'm having trouble with key-frame shift-pins; noise/friction from the >bass-side in particular............ > >....mild scraping sound has returned. When I remove the block, I'm afraid I'll >see the fine tell-tale abrassion marks again > >Any long-term solutions? > > You can always bush with cloth.. but it wears out fairly quickly... replacing guides and pins helps too ... but the problem will eventually return. >Replace the shift pin(s)? > > I'd replace the whole system with the new version. I suppose you still have the older brass guides in the cheek blocks ? I had this same problem on a C here at the UiB and when I put in the new roller type guides the problem went away for ever. I suppose they will need a bit of grease from time to time but I cant see any of that scraping sound ever coming back. Available from Steinway Hamburg... dont know about NY. >Re-fit the key-block to a Yamaha system? > >Help? > >Meanwhile, I'll go leaf through some previous PT-Journals, as this topic >kind of rings a bell. > >thanks, >Mark Cramer, >Brandon University > > > > > > > > > > > > > > > >_______________________________________________ >caut list info: https://www.moypiano.com/resources/#archives > > >
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