> From: "pianoman" <pianoman@inlink.com> > To: <pianotech@ptg.org> > Subject: Re: Annoying jiggle sounds reply > Date: Sat, 6 Sep 1997 06:59:04 -0500 > Reply-to: pianotech@ptg.org Has anyone ever dismantled one of those polyester benches and lubricated the rubbing surfaces? How do you stop the squeeks? David ilvedson, RPT Pacifica, CA > > > ---------- > > From: Maxpiano@aol.com > > To: pianotech@ptg.org > > Subject: Annoying jiggle sounds > > Date: Saturday, September 06, 1997 6:51 AM > > > > List - > Dear Bill, > I have tuned a few of these and it sounds like the polyster noise that you > get from the polysester benches except that it may be louder due to the > amplifiing nature of the piano, very annoying. > James Grebe > > > > I service a Hyundai grand regularly, that makes an annoying sound > whenever > > any sudden pressure is applied, such as pushing the damper pedal, or in > my > > case pulling/pushing on the tuning hammer. I've wasted a lot of time > trying > > to find and eliminate it. > > > > While the piano feels solid on its legs (not like the cheap American > grands > > that make me jam my knees up against the keybed to hold them in one place > > while tuning), there is an almost unperceptible jiggle started with each > > tuning hammer motion, that the piano then responds with a, "chick, chick, > > chick, chick..." so long you'd swear you had found perpetual motion. The > > sound is similar to that of a dog walking "tip, tip, tip, tip..." across > a > > hardwood floor > > > > It comes from the area of the rear leg. Tightening everything accessible > > (pedestal screws, leg screws, etc) has no effect. I suspect the > polyester > > finish at the joint in the leg itself. While the joint appears tight, > could > > their be just enough motion of the finished surfaces against one another > to > > produce this sound? I wonder whether trying to spray some McLube into > the > > crack might help, but don't want to mess up something that would make > trouble > > later. > > > > Anyone else ever run into this problem? > > > > Bill Maxim, RPT > >
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