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Post by sophia13 on Apr 3, 2018 20:06:25 GMT -5
Just got my Covington 6" S.C. Combo (oldie I believe) home from Craigslist. What wheels would you folks recommend to put on it. Appears original, previous owner said it just needs a leather pad on the end?? I'll be learning on it with harder stuff. Also any other refurb/restoration tips would be greatly appreciated.
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Post by johnjsgems on Apr 4, 2018 10:28:04 GMT -5
If "older" probably has silicon carbide wheels. I would upgrade to diamond. Either 100 or 80 and 220. If it has the 2.5" expanding drum diamond belts in 400, 600, 1200 and 3000. If it has silicon carbide wheels in good shape I would use them until worn down to labels and then convert. They come from factory now (diamond version) with 100 and 220 Chinese wheels and 6" X 2.5" expando with 5 ea. 400 SC belts and 1 ea. 1200 diamond belt. Leather pad on end hub and 50K diamond compound. I have sold many of these units and have never had a complaint or warranty issue. Saw takes any 6" blade with 5/8" arbor.
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slomoshun
starting to shine!
Experienced bad influence
Member since April 2018
Posts: 38
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Post by slomoshun on Apr 6, 2018 16:07:50 GMT -5
If you are trying for a factory-new sparkle, the paint can be restored with automotive 'cleaner wax', and Turtle Wax Chrome Polish will remove corrosion and rust from bare metal parts. As John mentioned, use up the SC wheels if they are in good shape. Otherwise, Covington’s OEM diamond-coated wheels are adequate if you use plenty of irrigation and keep your stone moving. But, if you have the funds go for sintered wheels. Same with the saw, the OEM coated “Gold” saw blade is very short lived, so replace with sintered. If you have a rumble or vibration with the machine…. - Part of the problem could be the OEM v-belt which is not high quality. This BestTorq belt runs noticeably smoother on my machine tinyurl.com/yauykk4e - Rotate one of the metal wheels on the shaft a little at a time until you find the smooth running sweet spot. - The expanding drum generates some vibes and, afaik, there isn't much that can be done about it. I was not happy with the crude factory sand-cast finish of the saw table. Clean-up can be obtained with 40 grit paper on a vibrating palm sander. It will leave a fine stipple-like finish that also smooths the sliding action of the vise.
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Post by sophia13 on Apr 13, 2018 17:04:53 GMT -5
Thank you for all your input. Which sintered wheels would you recommend? I've got to get the vise part of the saw setup as well. Good looking machine I've got mine completely disassembled and ready for powder coating. Still undecided on wheels. Good times
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