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#1603374 - 01/22/11 11:59 PM Used High Gloss Ebony piano-lots of scratches-how to clean
Druggist Offline
Junior Member

Registered: 07/05/10
Posts: 2
I've aquired a Yamaha Disklavier MX100b with a high gloss ebony finish. Love it! But it was from a school, and has lots of scratches, some deep, some superficial. I was thinking of taking some Meguiars #2 with a buffer, then Meguiars #9, and the Meguiars polish kit. I'm going to use an electric buffer. I understand its not gonna take out the deep ones, but does this sound like a good plan? Also the inside is very dusty, if I take my Shop vac and blow out the inside, will that do harm? And also the hinge holding the key cover is somewhat tarnished. If I unscrew it and take it off, what would be a good way to clean that?

Edited by Druggist (01/23/11 12:00 AM)

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#1603407 - 01/23/11 01:40 AM Re: Used High Gloss Ebony piano-lots of scratches-how to clean [Re: Druggist]
pianobroker Offline
4000 Post Club Member

Registered: 05/14/07
Posts: 4346
Loc: North Hollywood CA.
The finish on that Yamaha Disklavier is polyester so...none of those Meguire's products /polishes will "cut" it. Most polishes just fill the finish scratches. The pros either use ? in the two different abrasive grits or the HEAVY duty rubbing compound by ?. Any DEEP scratch will need to be wet sanded first up to 2000 or even 2500 before buffing.
You can clean the long hinge with ?. It is best to either take it off or tape it off in that ? is abrasive and will scratch the surrouding polyester.You may have to strip the remaining lacquer clear coat off the hinge with lacquer thinner or acetone or ?. These are trade secrets so...PM me if you want to know what the pros use. Good luck! wink

Edited by pianobroker (01/23/11 01:42 AM)
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#1603643 - 01/23/11 11:33 AM Re: Used High Gloss Ebony piano-lots of scratches-how to clean [Re: Druggist]
Rickster Offline
Yikes! 10000 Post Club Member

Registered: 03/25/06
Posts: 10358
Loc: Georgia, USA
PianoBroker, I think it would be really fun and educational to work with you for a day in your shop! It’s a pity you are on the other side of the North American continent from me… grin

Thanks for all your helpful hints and “trade secrets”! thumb

Piano enthusiast and amateur musician: "Treat others the way you would like to be treated". Yamaha C7. YouTube Channel

#1603651 - 01/23/11 11:42 AM Re: Used High Gloss Ebony piano-lots of scratches-how to clean [Re: Druggist]
Brandon_W_T Offline
1000 Post Club Member

Registered: 01/18/10
Posts: 1940
Loc: Omaha, Nebraska
When I restore appliances I use a product called SwirlX which removes the light scratches caused by buffing wheels on car finishes. Works like a charm and really does remove all the fine scratches and cloudiness.

Now I am using it on painted surfaces, and plastics, Not sure about using it on a piano finish.
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#1604019 - 01/23/11 05:57 PM Re: Used High Gloss Ebony piano-lots of scratches-how to clean [Re: Druggist]
Druggist Offline
Junior Member

Registered: 07/05/10
Posts: 2
Yah I don't plan on doing any wet sanding just cause I'd be afraid to screw something up. Would rather go the abrasive route, even tho it may not get as good results. I've sent you a pm so you can fill in all the "?". Thanks


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