[pianotech] blackening rusty tunning pins

richarducci at comcast.net richarducci at comcast.net
Wed Feb 1 05:51:10 MST 2012


Do you have to mask off the pressure bar and other areas?

Rick Ucci
Uccipiano.com

On Jan 31, 2012, at 11:55 AM, Douglas Gregg <classicpianodoc at gmail.com> wrote:

> Here is a tip that I submitted to TT&T but has not yet made it in. I
> thought I would share it here as there are many shop guys on this
> list.
> 
> Living on the tip of Long Island within a mile of salt water in nearly
> every direction, I see a lot of rust. Rusty tuning pins look ugly and
> polishing them is very time consuming with the rubber thingys.
> Besides, they will just rust again. Here is a solution. Don't touch
> the rust. Spray it with Klean-Strip or Permatex brand rust restorer.
> It goes on clear and will not discolor the plate. It only turns rust
> to a semi-matt black. It prevents further rust and looks very
> presentable. It is not quite bluing but...
> 
> Caution, don't use other brands as they contain some black pigment
> that will discolor the plate. These go on  clear.
> The pins have to be free major dirt and any oil or wax,  but that is all.
> 
> The photo shows the before and after, side by side on this old Cable upright.
> 
> Doug Gregg
> Classic Piano Doc
> Southold, NY
> <rust restorer006.jpg>
> <rust restorer004.jpg>


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