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CNKS
04-20-2006 14:30:15
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Re: paint removal in reply to Justin Squire, 04-20-2006 10:20:34
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I read your first post before this one. I will revise my answer to that question first. Rattle can paint is for those who put next to no effort in preparation. You obviously want to do some prep, so with all that work, you should use decent paint. At a minimum you should be using an acrylic enamel from PPG, Dupont, etc. Better paints than that require hardener, which in turn requires rather expensive protective equipment (supplied air) to keep you from getting sick. The paint sold on this site is alkyd enamel, the same paint used back in the 30's. It will look ok, but it will fade rather rapidly unless your tractor is kept inside. Yes, use primer. The crud on the frame can be scraped and wire brushed off. A power washer would be a big help but not necessarily essential, if you are trying to save money. But, if you are going to make this a hobby you should have decent equipment. As to the sheet metal, sandblasting can warp it, I know that from experience, and I have only a small sandblaster. Old paints contain lead, even some paint currently being sold contains lead. Just wear a mask with P100 dust filters. Lead poisoning takes a lot of exposure, and is more of a problem for kids than adults -- still, you should wear a good mask. If you are satisfied with your orbital sander, use that. You will have sanding scratches, depending on what grade of sandpaper you used. This will cost you more money, but on the sheet metal you can use epoxy primer first, followed by a sandable primer surfacer. Most primer surfacers will cover 80 grit sanding scratches. Even so, I would sand with 150-180 grit after the initial sanding. You won't necessarily remove all the 80 grit marks, but it will help. Since the cast has been wire brushed, all it needs is epoxy primer followed by topcoat. Your tractor will look better if you paint the parts separately, then reassemble. You can touch up the bolts after assembly with a brush. If you have never used a paint gun, you need a lot of practice first -- part of this practice can be on the individual parts, which can be easily corrected. There is much more to this than I have outlined. You may want to read most of the posts on this forum first, then ask questions about what you don't understand.
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