[CAUT] abel action centers seizing

[michelle stranges]

It all sounds like job security to me!!

:)


--On Sunday, June 12, 2005 7:47 PM -0700 Susan Kline <skline@peak.org> 
wrote:

> <<You would think someone would be checking this stuff all along the way>>
>
> I have always imagined that they missed it at the factory because it takes
> quite a bit of playing before the center pins seize. Back many years ago
> when I'd see a lot of seizing pins showing scoring where they touched the
> bushing cloth I'd even save them in a baggy and send them to the company's
> technical support. I figured that however distant the possibility, I
> ought at least to try to get the evidence back to the factory techs. No
> sign it ever got there, or did any good.
>
> Other problems which show up later, and not at the factory: goop used as
> lubricant on the keybed under grand action glides, turns to rubbery
> substance, with drag and noise. Rubber buttons -- fall out. Rubber lining
> grand pedal rod cups and upright pedal rod grommets ... noisy, wear
> through easily, turn to black goo if lubricated, can walk up the pin,
> causing dampers to stay off the strings. Teflon sprayed coating in place
> of spring punchings on upright actions -- this one really irritates me --
> NOISY, and it wears through. The old cloth spring punchings worked
> perfectly for many years and absorbed sound. The teflon housing for
> upright pedal trapwork -- seems slippery, but can get a glaze and make an
> awful squeal. Luckily teflon tolerates lubricants like VJ lube or
> graphite, but you have to lever the housing open, since it snaps shut --
> so far I haven't broken one. In general, I think that teflon is very
> over-rated for noise abatement. I wish Steinway would go back to the
> cloth-bushed center pin for the repetition spring post, even if one can
> tweak the rep spring at the teflon post to eliminate the click -- for
> awhile. Teflon has one fatal weakness for most of the jobs it is given to
> do in piano actions these days -- it can't absorb sound.
>
> Well, enough pet peeves for today -- anyway, all this stuff works
> perfectly in the factory, but in the field tends to fail or make a
> nuisance of itself within a couple of years.
>
> Susan Kline
>
> _______________________________________________
> caut list info: https://www.moypiano.com/resources/#archives