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#644995 - 04/23/04 12:46 AM STICKING KEYS  
Joined: Aug 2003
Posts: 4
den4854 Offline
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den4854  Offline
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Pennsylvania
I recently tuned an old baldwin spinet and about 4 of the keys stick when you hold the sustain pedal down and the unstick when you let off the pedal. Real annoying when you are in the middle of playing. I spent 45 minutes looking into it but could not see anything. Does anyone know what what cause this?

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#644996 - 04/23/04 01:20 AM Re: STICKING KEYS  
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BDB Offline
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It's probably a problem with the spoons. They may be catching on worn damper lever felt, or on the damper lift bar.


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#644997 - 04/23/04 08:48 AM Re: STICKING KEYS  
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Bob Offline
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Bob  Offline
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Florida
It's always a good idea to check for sticky keys with the damper pedal depressed. The damper system tends to push the action back into rest position, so any sticking tends to show up more without the damper system in the mix. In an old Baldwin spinet, you need to check all the friction points and springs. Start with the key, then to the sticker joints, whippens, jacks, then hammers. You may have multiple tight areas. The springs may be weak, which doesn't help. Check each part methodically for friction free movement and bad pinning.

#644998 - 04/23/04 10:06 AM Re: STICKING KEYS  
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Rick Clark Offline
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Rick Clark  Offline
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North County San Diego CA
I'm with Bob on this one. I think BDB may have misunderstood the question.

I would first check the key bushings, since they are usually sloppily done in spinets, and ease them. And/or rust on key pins. Second suspect would be the hammer butt flange for tightness, then all the other potential trouble spots.

Regards,

Rick Clark


Rick Clark

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#644999 - 04/23/04 10:22 AM Re: STICKING KEYS  
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RonTuner Offline
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Sometimes these things are designed to just barely work when everything is just right, so it doesn't take much to make them not work...

Isolate, if possible between the action and the keys to locate any source of sluggishness. Sometimes, if the keys dogleg, you will find worn spots in the key balance bushing that makes it hard for the key to return. It's also common for the hammer flange to be a little slow. A little protek, or Goose juice can be a quick-lube solution. Move just the hammer, then the hammer and everything minus the key, and then just the key to try and find the culprit. All springs in the right slots?

Ron Koval

#645000 - 04/24/04 01:05 AM Re: STICKING KEYS  
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BDB Offline
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Sorry, I was getting ahead of myself. Certainly sluggish keys will stick without the damper. Usually they show up as sluggish, so I guess I assumed that had been checked.


Semipro Tech
#645001 - 04/26/04 11:31 PM Re: STICKING KEYS  
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den4854 Offline
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den4854  Offline
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Pennsylvania
thanks for the input. Its a lot of good advice. I'll let you know how it works.


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