scratches

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I have washed, clayed, washed, and used a DeWalt 849 & yellow cutting pad with Perfect IT II Compound to remove light scratches. At the highest speed which is 3000, it didn't remove any of the scratches. Any tips on scratches?:nixweiss
 
Wow, those must be *some* scratches. What kind of paint are you working?



PI-II (39002)/cutting/rotary at 3K (!) is one *very* aggressive approach. I've removed pretty serious marring from hard Audi clear with far less speed than that, but it did take multiple passes. Using my Makita and PI-III RC (a little milder than yours), I took out everything that could be removed (*safely*) from the S8, but I spent a very long time doing it (note that I was being really careful).



I hope you're not trying to remove scratches that're too deep to work safely, but it doesn't sound like it.



I think I'd a) slow the machine down so the RC doesn't break down too fast, b) work the area longer, but with multiple passes *not just one long session that'll heat up the paint too much*.



Perhaps you're just expecting the rotary to do its thing faster than is realistic. I spent *days* doing the S8. I know some people knock out a vehicle in no time, but I don't expect to be able to do that myself.
 
Henry Kwon said:
I have washed, clayed, washed, and used a DeWalt 849 & yellow cutting pad with Perfect IT II Compound to remove light scratches. At the highest speed which is 3000, it didn't remove any of the scratches. Any tips on scratches?:nixweiss



Read over this thread to get an idea of how you should approach the scratch removal . 3000 is wayyy to fast to work your rotary. LINK >>>>>> Good luck
 
I would think you are using little or no pressure. With that setup you should be able to burn through the paint in no time, with pressure. Slow the machine down and apply a little pressure on one panel only . Check how it is working and you should get an idea on how much you need to work it. Basic rule off thumb is start on hood or trunk and let the weight of the machine do the work. Then apply or unapply pressure. Take your time.
 
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