[Trombone-l] 697z...was YSL-691

[Daniel Pliskin]

>At that time it
>felt to me like the 697z's outer slides would need an immediate
>polishing inside the outer tubes, but I was leery that it still might
>not solve the problem.  From what Alex mentioned, it sounds like they
>have solved that issue since then--I hope so since I'm sure 697 sales
>were off from projections when I decided to leave Yamaha in June of '05.

By the way, y'all, I've had great success doing just that with a rifle 
cleaning rod, a wool gun cleaning swab and some fine-grit (~1000 grit) 
polishing compound.

I put the cleaning rod in a drill (which I hold stationary in a vise) and 
run the swab up and down the inner bore of the outer hand-slide.  I can get 
the inner bore so that it's mirror smooth and it feels that way when I play 
it, too.

But then I have to wash that grit out of the slide and that can take a 
while.  Perhaps that was the problem with the slide you tried, it was still 
full of grit.

DanP

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