hammer rail sandpaper query

[baoli liu]

Don,Tom and list,

I do the same way,except I prefer using two parallel
narrow strips instead of one wider strip.

One reason comes from the screw holes.when I punch the
sand paper for screw holes,it's hard to keep the paper
even and clean around the screw holes, causing a
little more hammer traveling work.
Another reason comes from the top surface of the
rail.if you check the top surface of the rail
carefully,you may find that some,if not most, of the
surface is not flat.by using two long strips,the
flange can rest on the rail more solidally.

of course,if you want to spend more time to clean and
sand the top of the rail,you can same time on
travelling.

I always try to use less travelling paper,because I
know it's not stable.



--- Donald Mannino <donmannino@attbi.com> wrote:

---------------------------------
Tom,

Clean the old rail per Roger Jolly's instructions.  I
like 180 - 220grit open coat garnet with A weight
paper.  That's the thinnest, andisn't always
available.  

I use 3M spray contact adhesive.  Spray the rail
lightly (mask offnon-paper areas), spray the paper
lightly, and CAREFULLY place the paperon the rail
without cutting to shape.  Then use a knife
(withdisposable blade) to trim the paper using the
rail as a guide.

Quick and easy.  The most important part is getting
the rail niceand clean and flat before you put the new
paper on.

Don Mannino RPT


At 08:25 AM 2/13/2003 -0500, you wrote:
List

I need to replace the sandpaper on a hammer rail.  The
hammers won'tstop 
drifting side to side, and the screw holes are not
stripped. There's just 
nothing for them to grip to.  (The piano is a 1907
6'10"Kimball grand.)

What grit?  What glue?  Removal of old paper? (not
sure ifthere was any 
there to begin with)  Will this cause any regulation
problems Ishould be 
aware of? (Not that the piano has any semblence of
proper regulation asit 
is...) 

Any caveats or advice appreciated, as I have never
done thisbefore.

Thanks,
Tom S
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