Creaky Joints (Teflon Action Centers)

[Jon Page]

At 12:15 PM 03/28/2001 -0500, you wrote:

>In a message dated 3/28/2001 10:19:28 AM, Z wrote:
>
><<" First time a key was hit, it sounded arthritic with a noticeable "crick!"
>but on subsequent blows within the next few seconds, there were no
>"extramusical" sounds.  Furthermore, there was considerable resistance but
>only at the first blow.  Give the key a break of less than 15 seconds, and it
>started all over again as if it hadn't been played at all.">>
>
>Hi Ms. Z!
>   What you have here is what I have started calling a 'resistance' click.
>These are clicks/cricks that are caused by: improper lubrication, dried out
>lubrication, minor corrosion, etc., etc. The Last one of these I had was on a
>Kawai...had me stumped until I discovered that it was the stringed loop
>behind the jack where the jack return spring connected....I polished the jack
>return spring and the 'click/crick' was gone. :-)
>   You may find that your click/crick, aka 'resistance' click is coming from
>your balancier or in the jack spring hole of the jack.  First I would check
>the balancier spring groove for gunked up lubricant...clean and relube....if
>that doesn't work check the spring/jack connection.........if none of the
>above apply please disregard this post. :-)
>Jim Bryant (FL)

While you're at it, check the length of the spring in the jack slot. There 
has been
occasion where it was binding on the far side of the slot. Lubricate the 
knuckles
as well.

Regards,


Jon Page,   piano technician
Harwich Port, Cape Cod, Mass.
mailto:jonpage@mediaone.net
http://www.stanwoodpiano.com
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