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  #1  
Old 06-26-2010, 01:06 PM
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Join Date: Mar 2005
Location: New Mexico
High gloss spot repair

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Hey...!
I have a really nice playing Ibanez BTB 776 that I got online a few months ago, but had been damaged at some point in it's former life. Evidently it's been hit-pretty hard too- directly on the volume knob. When I say hard, I mean hard enough to crack the burl top and almost push the knob into the cavity below. Naturally the pics didn't show it and the people I bought if from didn't mention it. Matter of fact, the plastic label it was sold with, you know-the one that tells what each knobs' function is, totally covered the damage until I took it off.
But it played well and sounded awesome, so I decided to keep it(The price was right). The burl top is actually it's own camoflage and no one even sees it but me.
Now that volume pot is starting to have issues and I'm replacing it, so while it's apart, I've repaired the crunched wood and what I'm hoping someone can give me some ideas on is 'spot repairing' the finish. I don't want to refinish the entire bass, it's pretty perfect in every other way. The finish is really high gloss and I'd like to match the area-about 3 sq inches- to the rest of the finish best I can. It's now sanded smooth, except for the ring the knob cut in it, but how do I level that up and match the gloss. Is that even possible?
Thanks for the help!
  #2  
Old 06-26-2010, 09:41 PM
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Karl Thompson, Builder (Formerly Fat Karl)
 
Join Date: Mar 2005
Location: Stevens Point, WI
Pictures would be really, helpful, I think. It sounds doable, have you done anything like this before?
  #3  
Old 06-27-2010, 04:52 PM
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Join Date: Mar 2005
Location: New Mexico
Hi and thanks for the reply..
I've done several total refinish and even mod jobs before, but never just a 'spot' type repair. The repair on this went well, I'm just unsure of how to match up the gloss to the rest of the bass. A friend told me just today of some kind of finishing 'stick'-as he called-it that resembled a magic marker and was dabbed on the area to produce a gloss. I haven't found it as yet....
I took some pics of the damage when I dicovered it, but I haven't found them yet, I'll post them when I do.
Thanks!
  #4  
Old 06-27-2010, 05:57 PM
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Join Date: Sep 2006
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Spot repairs on high gloss poly finishes call for a super glue drop fill. The basics are simple. First, any damaged flakes of finish are removed from the repair area. Medium viscosity superglue is dropped into the damaged area multiple times until a mound that is higher than the surrounding area has built up. The mound is filed and scraped level with the existing finish. Then the area is rubbed out and buffed.

Here is link to an article on frets.com. Frank Ford is one of the greatest repairmen working today. In this article he is using lacquer. However, the procedure is the same with CA glue. There is a link in the article on making a razor blade scraper. It is an essential tool for doing this kind of repair.
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Last edited by 202dy : 06-27-2010 at 06:01 PM. Reason: Clarification
  #5  
Old 06-29-2010, 09:34 PM
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Join Date: Mar 2005
Location: New Mexico
Thanks for that link, that's a great article, lots of really good info.
I did something similar to bring the built up area down..I actually put the tape on the surface, instead of on the blade. It worked ok , but I'll have to try using the blade with the tape on it instead.
The super glue worked great though. Overall, I think it turned out ok, not perfect, but probably have to redo the whole thing for that.
Here's a couple of pics of it after the repair, the ones I took earlier of the damage didn't show much, but the area all around the volume knob was crunched in quite a bit.
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  #6  
Old 06-30-2010, 04:50 AM
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Join Date: Sep 2006
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Congratulations! It looks great.

Celebrate your victory by leaving it alone.
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  #7  
Old 06-30-2010, 06:38 PM
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Join Date: Mar 2005
Location: New Mexico
.....ok....thanks for the advice.....
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