[pianotech] How to remove scratches

Jon Page jonpage at comcast.net
Sat Jan 26 06:50:37 MST 2013


Depending on how deep the scratches are you can eliminate or diminish 
them with 400 and 600 wet-or-Dry paper. Use water with a drop of dish 
detergent in the container as a lubricant.  Finish off with gray 
ScotchBrite or 4/0 steel wool and then give it two coats of wax, 
preferably Rain Dance Paste Wax.

The decal is buried under several clear coats of lacquer, so you are 
sanding this clear topcoat. If you rub thru the clear and exposed the 
black coats underneath, you will have to spray clear to build it back 
up. In which case, the whole fallboard surface would need to be cleaned 
and lightly sanded for the application of the clear coats. Then 
rubbed-out with the aforementioned procedure.

My advise is to place it in the hands of a refinisher. Because a spray 
can is not sufficient and rubbing out the finish to remove the orange 
peel or dust particles is not for the untrained. The scratches extend 
over the decal and if you rub thru and hit the decal...the whole thing 
might have to be sanded down past the old decal and new sealer, new 
black coats applied, new decal, new clear coats then rubbed out.

-- 
Regards,

Jon Page



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