[pianotech] tight pressure bar screws

John Ross jrpiano at bellaliant.net
Thu Aug 30 11:28:27 MDT 2012


Marshall, is there a chance you are using a screwdriver that is too small.
The tip must fit the head to ensure no damage is done.
Impact as John Formsma said is a good method.
If the head is correct. a screwdriver with a square shank, can be assisted with a crescent wrench.
John Ross
Windsor, Nova Scotia
On 30-08-2012, at 1:23 PM, Marshall Gisondi <pianotune05 at hotmail.com> wrote:

> Hi Everyone,
> I had a quick question. What is the best way to free up tight pressure bar screws?  I'm dismantling this old piano my brother had, an old cable Nelson player to be exact.  The pressure bar screws are tight tight tight won't budge. My screw driver just cuts up the crew head.  Unfortunately I don't have electric that far out in the yard well it's more like a drive way in our duplex we rent.  I do have a 3/8 drill I believe black and decker. If I couldget a cord long enough out there would that free it up or is there somethign I can appy to it to free it up.  It is one frozen screw.  I put all mof my 189lbs into it and it won't budge, and I've done physical work most of my life.  Thanks everyone
> Marshall
> 215-510-9400
> http://www.phillytuner.com

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