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#638147 - 05/11/08 07:39 PM Rust tunning pins
Marcos Offline
Full Member

Registered: 09/29/05
Posts: 30
Loc: Costa Rica
There is a Yamaha G2, in a house just beside the beach, due to the marine breeze, tunning pins and strings are rust.(very)
I looking for a solvet for clean it without demage these parts.

Best regards

Marcos Ramirez
Costa Rica

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#638148 - 05/11/08 08:12 PM Re: Rust tunning pins
Ron Alexander Offline
1000 Post Club Member

Registered: 06/17/03
Posts: 1292
Loc: North Carolina
Once rust forms, it can be cleaned but it's just going to return.

Regarding the strings, I would never recommend a solvent of any type. Just to easy to create more problems with the soundboard finish.

If as you state the pins and strings are very rusty, the only real way to get rid of the rust is to re-string with new over-sized pins. If the rust is that bad, I would also consider a new pin block.
_________________________
-----------------
Ron Alexander
Piano Tuner-Technician

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#638149 - 05/11/08 08:26 PM Re: Rust tunning pins
Olek Online   content
7000 Post Club Member

Registered: 03/14/08
Posts: 7220
Loc: France
Is not the use of string covers efficient to protect from rust (together with DC system )?

On a badly yet rusted piano wire, I can use anything from a high grade water repellent to Wd 40.
Knowing the wire will attract dust easely. It stop rust, but the hammers tend to have not so nice looking marks

On the tuning pins, the old tool with rubber that turn in a hand drill can clean a bit the old rust. Afterthat I would not use any product, nor oil on the tuning pins, too dangerous.

Not any product on the bass strings (while I heard of Wd 40 being used without the wire getting dumb (?)

Cleaning the rust as possible and using some oil on a cloth is yet better than nothing, as rusty strings finally break, this can, protect them a little before their change.

Dampp chaser (or a simple system with bulb lamps) and under cover, plus a string cover (cover the tuning pisn as well) should provide a better environment for the piano assuming the moisture level is not 80% day in day out.

My 0.5 Euro cts nowadays
_________________________
Isaac OLEG - http://picasaweb.google.fr/PianoOleg pro

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#638150 - 05/11/08 09:32 PM Re: Rust tunning pins
Ron Alexander Offline
1000 Post Club Member

Registered: 06/17/03
Posts: 1292
Loc: North Carolina
I tend to agree with Isaac in instances of light rust. But for a very heavy rust buildup, I have never experienced any type of cleaning that will take care of the problem. The underside of the strings are virtually impossible to get really clean.
_________________________
-----------------
Ron Alexander
Piano Tuner-Technician

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#638151 - 05/12/08 09:28 AM Re: Rust tunning pins
RPD Offline
500 Post Club Member

Registered: 03/07/05
Posts: 961
Loc: Kalamazoo Michigan
I'd install, at minimum, a partial Dampp Chaser system (two rods and a humidistat) and the sring cover. I wouldn't spend any time trying to polish much; I'd live with it and advise the client that strings may need replacing at some point in the not-too-distant future.

Minimal work, preserve the piano with the rods (because it's not just the strings and pins that are taking a hosing...the whole piano is like a big wick...swelling and shrinking w/moisture.

RPD
_________________________
MPT(Master Piano Technicians of America)
Member AMICA (Automated Musical Instruments Collector's Association)
(Subscriber PTG Journal)
Piano-Tuner-Rebuilder/Musician www.actionpianoservice.com

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