tuning instability on new Baldwin SD10

[Conrad Hoffsommer]

Paul Mulik wrote:
> Hello list,
>  
> One month ago my church bought a new Baldwin SD10.  I installed a DC the 
> day after it was delivered (2 tanks, 3 rods), tuned it a few days later, 
> and tuned it again a couple of weeks after that. 
>  
> I'm having trouble with a few of the unisons in the fifth octave, there 
> are 3 or 4 strings that just will not stay in tune.  I keep 
> retuning them and they sound fine for a while,  but then a few days 
> later they'll be 20 cents flat.  The tuning pins do not feel loose, and 
> I've tuned other large grands with no difficulties, so I don't think the 
> problem lies in my tuning technique (though I could be wrong -- wouldn't 
> be the first time!)  I have not tried driving the pins further into the 
> pinblock; it seems to me this shouldn't be necessary on a new piano, but 
> again, I could be wrong.
>  
> Any suggestions?
>  
> Paul Mulik
> Joplin, MO


Have you checked to see that the beckets aren't pulling out?

-- 
Conrad Hoffsommer - Keyboard Technician
Luther College, 700 College Dr., Decorah, Iowa 52101-1045
1-(563)-387-1204 // Fax 1-(563)-387-1076