[pianotech] Rusted Underlever screw

Al Guecia/Allied PianoCraft alliedpianocraft at hotmail.com
Sun Dec 18 11:22:42 MST 2011


OK Joe & Ron, I stand corrected. 

I just never did see a problem, but I do understand how it could become a problem. I guess you "can" teach an old geezer some new tricks.

Al -
High Point, NC



On Dec 18, 2011, at 12:29 PM, Ron Nossaman wrote:

> On 12/18/2011 10:34 AM, Joseph Garrett wrote:
>> Al,
>> Even one (1) drop will creep a lot farther than you would imagine!! I
>> strongly urge NOT using that stuff. My experiments showed me that it's a
>> bad substance to have around a piano. That sort of rationale is wrong.
>> We're not talking metal on metal, which it's made for. We're talking
>> metal IN WOOD! A whole different animal.
>> Just my take on it.
> 
> Theoretically, you're talking about metal on metal, being the screw in the barrel. The reality is that any penetrating oil will inevitably escape into the surrounding wood, which as you say is decidedly un-good. That's why I suggested clipping the wire, removing the under lever, drilling the screw out (dry), and replacing either the under-lever top block, or the barrel and screw, and the damper wire. In the end, it'll be faster and less destructive than trying to soak the thing loose with some killer goop and ultimately being forced to replace it anyway when that doesn't work.
> 
> Ron N
> 

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