[pianotech] stuck damper upstop rail

[Ron Nossaman]

Tom Driscoll wrote:
> David,
> I have seen this before. I assumed that the factory set the rail and 
> secured it with the nails to hold its position. When the screws get 
> loose it won't get knocked out of position.
> The "nails" in the cases I have seen are more like small pins so they 
> pop out easily.
> Just another opinion right or wrong.
> Tom Driscoll

That's what I remember. Appeared to be center pins, as I 
(hopefully) recall.
Ron N