Jumpy Tuning Pins

[Avery Todd]

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Terry,

I don't know why it would stop in the mid treble, but I once had a piano 
like that and I found out that the previous "tooner" had used WD-40 to 
remove rust from the tuning pins! After I finally gave up, I told the 
customer, "Don't call me. I'll call you!" I just didn't want to deal with 
it again (I spent about 3 hrs. trying to "tune" the thing)! And this was 
the father of a piano faculty member at the local university!

Avery

At 07:09 PM 3/27/05, you wrote:
>I tuned a 1920s-type Hardman small grand today. Who knows what has been 
>done to the pinblock on this POS, but every single tuning pin up to the 
>mid-treble are horribly jumpy - I mean the finest increment to change 
>pitch is ten to 20 cents - most moves are more like 30 to 50 cents. It is 
>virtually untunable. I left most unisons beating maybe an average a good 1 
>bps. I've never encountered a piano like this. Is there any easy thing to 
>do to make it smoother - even moderately tunable? The piano is a bit of a 
>heap and is not worth dumping much money into.....
>
>And yes, we talked about replacement.   ;-)
>
>Terry Farrell

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