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#2018644 - 01/21/13 09:39 PM drop action clacking
Ron Broussard Offline
Full Member

Registered: 01/19/05
Posts: 28
Loc: Gulfport, MS
I am working on a 1961 Wurlitzer spinet. Half of the keys make a wood on wood clacking sound on return. Finally it dawned on me that the abstract rod is being hit by the back check after the key is released. Can anyone suggest a solution ??

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#2018658 - 01/21/13 10:01 PM Re: drop action clacking [Re: Ron Broussard]
Jerry Groot RPT Offline
6000 Post Club Member

Registered: 11/07/07
Posts: 6828
Loc: Grand Rapids Michigan
Are you a DYIER?
_________________________
Jerry Groot RPT
Piano Technicians Guild
Grand Rapids, Michigan
www.grootpiano.com

We love to play BF2.

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#2018687 - 01/21/13 10:57 PM Re: drop action clacking [Re: Ron Broussard]
beethoven986 Offline
3000 Post Club Member

Registered: 01/20/09
Posts: 3369
Lighter fluid and a match. And no, I'm not kidding. tiki
_________________________
B.Mus. Piano Performance 2009
M.Mus. Piano Performance & Literature 2011
PTG Associate Member
Certified Dampp-Chaser installer

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#2018713 - 01/22/13 12:27 AM Re: drop action clacking [Re: Ron Broussard]
Pianos & Pianos Mexico Offline
Full Member

Registered: 10/01/08
Posts: 46
Loc: Mexico
It could be the hammer but felt maybe to worn
_________________________
Sergio L. Ruiz Jones
Piano Tech
Pianos & Pianos
Afinación y Restauración de pianos
www.pianosandpianos.com
Sergio.ruiz@pianosandpianos.com
Mazatlán, Mexico.

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#2018720 - 01/22/13 12:36 AM Re: drop action clacking [Re: Ron Broussard]
BDB Online   content
Yikes! 10000 Post Club Member

Registered: 06/07/03
Posts: 21917
Loc: Oakland
Regulation.
_________________________
Semipro Tech

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#2018877 - 01/22/13 09:06 AM Re: drop action clacking [Re: Ron Broussard]
Jerry Groot RPT Offline
6000 Post Club Member

Registered: 11/07/07
Posts: 6828
Loc: Grand Rapids Michigan
It is obviously regulation alright. Something as simple as to much lost motion.
_________________________
Jerry Groot RPT
Piano Technicians Guild
Grand Rapids, Michigan
www.grootpiano.com

We love to play BF2.

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#2019058 - 01/22/13 01:39 PM Re: drop action clacking [Re: Jerry Groot RPT]
TunerJeff Offline
Full Member

Registered: 06/22/11
Posts: 498
Loc: Oregon Coast
Jerry most likely has it right. The simple compression of the backrail felt, under the back of the key, may let the whippen drop down far enough that the parts are making contact. That, and compression of the felt directly above the capstan in the abstract-lifter (...if the action design I'm thinking of). If your whippen and backcheck are moving when you touch the key, and the hammer is NOT moving immediately, then lost-motion adjustment may cure it.

With that age; you may need to regulate the hammer rail forward a tick, keydip, let-off....oh you know...the whole drill...to get it working as nicely as possible.

Quick and dirty? Pray that lifting the capstans and removing lost-motion will cure it! If the hammers are checking into the backchecks too far from the strings, you may be able to just adjust the backchecks forward with a finger and both remove the 'click', and get a better responding action.

Good-Luck!
_________________________
Jeffrey T. Hickey, RPT
Oregon Coast Piano Services
TunerJeff440@aol.com

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#2019211 - 01/22/13 06:23 PM Re: drop action clacking [Re: Ron Broussard]
Ron Broussard Offline
Full Member

Registered: 01/19/05
Posts: 28
Loc: Gulfport, MS
I am working on all suggestions. Will report back tomorrow.

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#2027069 - 02/04/13 06:39 PM Re: drop action clacking [Re: Ron Broussard]
Ron Broussard Offline
Full Member

Registered: 01/19/05
Posts: 28
Loc: Gulfport, MS
Reporting back was delayed by a 2 week bout with the Flu. Just got back to Wurlitzer. All of you who suggested "Regulation" were right. As to "Tuner Jeff" it was as if he had inspected the piano before me. All his diagnosis proved spot on.

I pulled the fall board and the keys. Vacuumed whole key bed ahnd felts. Then adjusted the "lost motion" on all 88 and she came back in like she was only 12 years old instead of 60. Thanks a million guys.

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