[pianotech] Clunky Noises

John Ashcraft jaashcraft at gmail.com
Wed Mar 9 17:40:54 MST 2011


That's 'had', not 'and.'

On Wed, Mar 9, 2011 at 4:40 PM, John Ashcraft <jaashcraft at gmail.com> wrote:

> Try rebushing the sticker-to-wippen connection on one note. I had a similar
> situation on a very worn action where I put in new parts above the stickers
> and replaced the sticker cloth and still and clunky noises.
> --John Ashcraft
>
>
> On Wed, Mar 9, 2011 at 3:27 PM, David Nereson <da88ve at gmail.com> wrote:
>
>>   Thanks.  No, I hadn't been quite that thorough (removing the key, bridle
>> strap, etc.)
>>   --D.N.
>>
>>
>> ----- Original Message ----- From: "Gerald Groot" <tunerboy3 at comcast.net>
>> To: <pianotech at ptg.org>
>> Sent: Wednesday, March 09, 2011 1:46 PM
>>
>> Subject: Re: [pianotech] Clunky Noises
>>
>>
>> Hi David,
>>
>> Do the process of elimination.  Take out the key completely. Sometimes
>> just
>> holding the key down can fool us into thinking we have eliminated it as a
>> culprit when it may still be a part of the problem.  But if you remove the
>> key instead, it will completely eliminate it for sure real quick like...
>> Unhook the bridal wire.  Now you have eliminated the hammer from working
>> with the wippen.  Eliminate each part as necessary, until you can narrow
>> down the noise to a certain part of the action or to a certain area in the
>> action.  Take the "stuff" out if you have too and check the center pins,
>> felts, etc.
>>
>> Hold the damper away from the wires so that too, is completely eliminated
>> as
>> a possible noise maker.
>>
>> As for the felt, I would just set a piece of felt on top of the capstan to
>> see if that makes it go away as the sticker comes down onto the capstan.
>> Check the alignment of the capstan to where it engages the felt on the
>> sticker.  I have had it where the key warped or something and the capstan
>> was juuuust hitting the edge of the wood of the sticker.
>>
>> 2 more ¢ worth.
>>
>> Jer
>>
>>
>>
>>
>
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