Tugging on hammer rail to chek lost motion

[John Formsma]

On Feb 6, 2008 12:24 PM, <KeyKat88 at aol.com> wrote:

>  Greeetings,
>
>               Working on an upright, I always globally check out lack of
> lost motion by tugging on the hammer rest rail, however, I came across this
> piano where there are braces on the back (or towards front) of the rail and
> I cant check it this way. Now I wonder if this shortcut is a viable one.
>


I think it's a good general test.  The only sure test is to have the jack
return under the butt when you release the key very slowly.  (After the jack
has tripped, of course.)

-- 
JF
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