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Post by johnjsgems on May 12, 2016 18:32:13 GMT -5
I briefly owned a very used Covington 8" saw. Previous owner had cut out the entire divider so it had one big sump. I bought it at one of the 30 day Cloud's shows and had too good an offer while I was mounting saw to keep it or even try it. Mel, if you keep the valve to blade sump wide open how do you get the level right on blade? Their design was to fill right holding tank to top and only open left sump valve until coolant dripped at blade guard. The problem of course is the undersized blade sump requires frequent cleaning. They have an optional hood without hand holds too. That might help. Or if you want a Beacon Star, Diamond Pacific is still making it as their TC-10. Only $1615 list without a blade.
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Sabre52
Cave Dweller 
Me and my gal, Rosie
Member since August 2005
Posts: 20,497
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Post by Sabre52 on May 12, 2016 19:30:04 GMT -5
John, Thanks for info and advice. To answer your question, since the valve don't work worth spit, there is no choice but to keep it wide open. Thus, I just guess at the oil level on the blade by the amount I can see coming off it during the cut. Like I say, it's a learning curve. I catch runoff in cups and use sponges to sop up the run off from the cart and simply pour it back into the tank. Eventually, enough is lost I have to add a bit more to achieve enough flow to the blade and so on and so on. Again, a stupid and failed design. Valve clogs up super fast if partly closed. Apparently designers didn't know cutting rocks creates lots of suspended sludge and that it clogs small holes *L*. I suppose if I were to clean the saw like every couple of rocks I cut, it might actually function right but we all know what fun it is to clean the POS, so it sure ain't getting done till it really needs it. If I ever get another saw the Diamond pacific or a Barranca is what I will get all right...Mel
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casey
off to a rocking start
Member since July 2020
Posts: 10
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Post by casey on Jul 29, 2020 12:05:08 GMT -5
Kind of new to all of this. Just got one of these in a combo unit. So... what if you just use it as a trim and only use water?
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Post by knave on Jul 29, 2020 19:20:26 GMT -5
My Lortone lives a rough life
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casey
off to a rocking start
Member since July 2020
Posts: 10
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Post by casey on Jul 30, 2020 23:39:54 GMT -5
Kind of new to all of this. Just got one of these in a combo unit. So... what if you just use it as a trim and only use water? If you have a 6” or 8” blade you’ll be fine using water. Be sure to drain and fully dry the saw and blade after each use. What about a 10"? What's the difference oil vs water? Why use one instead of the other? |
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casey
off to a rocking start
Member since July 2020
Posts: 10
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Post by casey on Aug 2, 2020 13:58:48 GMT -5
What about a 10"? What's the difference oil vs water? Why use one instead of the other? The bigger blades are wider and there tends to be more friction when cutting, oil is a better coolant than water which results in longer blade life. The smaller blades cost a bit less and when you are only trimming they seem to last well enough. Rust can be an issue, that’s why I suggest drying the saw after using water. If you only plan to trim slabs then you could always run a smaller blade on your saw. Great information! Thank you. I really appreciate it. |
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