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Squeaky Piano Bench
#122080 01/09/09 10:19 AM
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Hello all and Happy New Year! Are there any "new" ways to stop new polyester piano bench's from squeaking? In the past it was said that applying some Vaseline to the legs where they meet the side skirt of the bench was a quick fix, but that just seems so messy...any thoughts on this?

Re: Squeaky Piano Bench
#122081 01/09/09 01:11 PM
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I’ve not seen (or sat on) a polyester piano bench but I can see where polyester might be substituted for wood. Are the legs attached/assembled with nuts and bolts or is it all glued/pre-formed? If the legs are attached with nuts and bolts you might be able to tighten them a little. If not, a less messy alternative to Vaseline might be to spray the joints/attachment points with some WD-40 and see if it helps. (Take the bench out of the room where the piano is or outside while doing this.)

As a side note, my grand piano bench was one of those low-cost scissor-type adjustable artist benches and it squeaked to high heaven when I first got it. I tried tightening all screws and bolts to no avail. I finally got the adjustable metal frame welded in place and “eureka” no more squeaking when I sat down on it. Of course it is not adjustable anymore but it fits me just fine. After all, it’s my piano and my piano bench. laugh

Good luck with it.

Rick


Piano enthusiast and amateur musician: "Treat others the way you would like to be treated". Yamaha C7. YouTube Channel
Re: Squeaky Piano Bench
#122082 01/09/09 01:26 PM
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I believe the main source of the squeaking is that you torqued the leg/nut bolts while the bench was not on the floor and so it is not perfectly leveled.Loosen and retighten the nuts while all four legs are on the floor. If that doesn't work,try playing louder!
laugh


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Re: Squeaky Piano Bench
#122083 01/09/09 05:14 PM
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I think I am just going to ignore the first 2 reply's to this message....... WD-40....or "play louder" WHAT!

Re: Squeaky Piano Bench
#122084 01/09/09 05:22 PM
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Poly benches have a tendency to squeak no matter what, at first.

It may not be helpful today, but the squeaking will stop with use, may take a while (weeks or month) but it will stop. Poly rubbing on poly will eventually wear itself out.

best advice I can offer. If its really bad, call the dealer and have them give you some options.

Good luck!


Musically Yours,
Jonathan Hunt

Sales Professional:
Steinway, Boston, Essex, Kohler & Campbell

The Music Gallery
Clearwater, Fl.
Re: Squeaky Piano Bench
#122085 01/09/09 05:31 PM
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The problem can be easily solved.

Loosen the leg bolts and spread a small amount of petroleum jelly on the surfaces near the bolt where the two polyester surfaces meet.

Then level the legs as advised by pianobroker.


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Re: Squeaky Piano Bench
#122086 01/09/09 06:54 PM
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I think I am just going to ignore the first 2 reply's to this message....... WD-40....or "play louder" WHAT!
Pianobroker was just joking. His posts are always very informative and valuable.

And, my response to your thread was an honest effort to help; but since my comments were unappreciated and more or less ridiculed, I’ll make sure not to respond to any more of your threads.

Best regards,

Rick


Piano enthusiast and amateur musician: "Treat others the way you would like to be treated". Yamaha C7. YouTube Channel
Re: Squeaky Piano Bench
#122087 01/09/09 08:09 PM
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If you can't get rid of the squeak by proper tightening/leveling, then you could try scuffing up, or removing entirely the finish on the side of the skirt that meets the leg.

For leveling, I like to tighten the bolts only by hand, sit on the bench, then complete the tightening. This works good on a level or carpeted floor...however if the floor is a hard surface, that is very uneven, there really is no permanent leveling. Gluing in thick leather underneath the legs seems to help some. Inset the leather with a Forstner bit to prevent it from knocking out.


Rich Lindahl
Piano Restorations in Central CT
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Re: Squeaky Piano Bench
#122088 01/09/09 11:29 PM
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Originally posted by Steve Cohen:
The problem can be easily solved.

Loosen the leg bolts and spread a small amount of petroleum jelly on the surfaces near the bolt where the two polyester surfaces meet.

Then level the legs as advised by pianobroker.
Great idea, will the jelly wear out or evaporate over time and need to be re-applied? or has your experience stated that its a permanent fix?


Musically Yours,
Jonathan Hunt

Sales Professional:
Steinway, Boston, Essex, Kohler & Campbell

The Music Gallery
Clearwater, Fl.
Re: Squeaky Piano Bench
#122089 01/09/09 11:29 PM
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Quote
Originally posted by Steve Cohen:
The problem can be easily solved.

Loosen the leg bolts and spread a small amount of petroleum jelly on the surfaces near the bolt where the two polyester surfaces meet.

Then level the legs as advised by pianobroker.
Great idea, will the jelly wear out or evaporate over time and need to be re-applied? or has your experience stated that its a permanent fix?


Musically Yours,
Jonathan Hunt

Sales Professional:
Steinway, Boston, Essex, Kohler & Campbell

The Music Gallery
Clearwater, Fl.
Re: Squeaky Piano Bench
#122090 01/10/09 12:50 PM
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Hi, i have this same problem too. In the end i asked for a new replacement. Notice that the 4 legs not level. After new replacement don't have this problem anymore.

Re: Squeaky Piano Bench
#122091 01/11/09 12:52 AM
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Many things like this are not always a permanent fix. When playing, we wiggle around a lot on benches. This will cause them to loosen up over time as will humidity changes.

Polyester finish is the most difficult to stop creaking noises on. Read the answers given on the tech thread to the same question and the problem will be solved for you.


Jerry Groot RPT
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Re: Squeaky Piano Bench
#122092 01/11/09 05:53 AM
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My artist bench doesn't squeak, but the seat does wobble a little from side to side (like a see-saw). It gets a little annoying after awhile. Any solutions to that problem?

Re: Squeaky Piano Bench
#122093 01/11/09 06:43 AM
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Who makes the bench?

If for instance, it is Jansen, tightening some set screws inside the mechanism can sometimes help. If that doesn't work, it is time to replace the metal bushings inside.


Rich Lindahl
Piano Restorations in Central CT
www.rivervalleypiano.com
Re: Squeaky Piano Bench
#122094 01/11/09 08:51 AM
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Quote
When playing, we wiggle around a lot on benches. This will cause them to loosen up over time as will humidity changes.
I was once told by a dealer that the stability of those benches largely depends on HOW the hight adaption mechanism is designed.

The most common system is where the V-shaped hinge is attached to the short sides of the seat:

http://cgi.ebay.nl/KLAVIERBANK-Klav...oryZ47040QQcmdZViewItem#ebayphotohosting

The other system is where the V-shaped hinge is attached to the long side of the seat; these should be more stable as weight is distributed over a longer distance - also Janssen uses this design:

http://www.grkmfg.com/products/benches/concerto/mech2.jpg

schwammerl.

Re: Squeaky Piano Bench
#122095 01/11/09 10:13 AM
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I just finished rebushing a Jansen bench which was worn at the slider bushing for the height adjustment mechanism. That is probably not your problem with a new bench. Their kit costs only $18 by the way.

If is is just the poly finish rubbing together you can also glue a small piece of very thin, soft leather onto the surface and then put the bench back together. The will permanently fix the problem and it is not nearly as messy as a lubricant which will wear away.

Use contact cement on the leather and poly. Glue the poly side after you rough up the surface with a bit of sandpaper. This may sound complicated but it only takes a few minutes. You can do all four legs at the same time. The leather needs to be only about 1/16th of an inch thick. You only need a dab of glue on each side to hold it together while you screw the legs back on. I found leather for this by going to a used clothing store and buying an old leather coat for $10. I cut it up and still have a nice supply after many benches.


Sally Phillips
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Re: Squeaky Piano Bench
rebuild #2452962 08/22/15 12:39 PM
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I had the same problem and all the websites I read mentioned that the problem comes from the legs, in particular from the joints between the legs and the main body of the seat.

This might be the case for many people but after many trials I realised this did not solve the problem for me.

In my case, I found out that the problem was in the system that moves the seat up and down, in particular in the joints of this part (which is metalic) with the upper and lower parts of the seat (which are made of wood). I solved the problem by moving the seat to the lowest position, then to the highest position, and repeating the process several times until the squeaky noise disappeared. This process somehow worn out a bit the wood where the metalic parts are joined with bolts, removing this way the friction and therefore the noise.

I hope this can help other people.

Re: Squeaky Piano Bench
rebuild #2452971 08/22/15 01:09 PM
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fryderyk ...

As a new member, you may not have noticed that you are replying to a post that is over six years old and that the original poster has not been on this site for five years. His bench may since have been repaired or replaced.

Otherwise, welcome to the Forum!

Regards,


BruceD
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Re: Squeaky Piano Bench
rebuild #2453192 08/23/15 10:58 AM
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Fryderyk-

My non-Jansen artist bench has exactly the problem you described yours had. I'm going to try your solution and hope it works of me like it did for you. I am grateful you wrote this reply, albeit, in response to an old post.

Thank you,


Barbara
...without music, no life...
Re: Squeaky Piano Bench
rebuild #2453500 08/24/15 02:01 PM
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Squeaking happens when two objects are in contact and move relative to each other. The objects stick together until enough force is applied, then they break free and jump to the next sticking position. That can happen dozens to thousands of times a second, producing the sound. There are two approaches to stopping it:

1. Stop the objects from moving. Tightening fasteners or gluing them are the usual methods. Welding works for steel parts.

2. Modify the interface to get smooth motion, without sticking and jumping. Lubricants and alternative surface materials can do that.



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