Deleted
Deleted Member
Member since January 1970
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Post by Deleted on Oct 24, 2019 6:43:09 GMT -5
I recently picked up my first lapidary saw, a 10” Star Diamond TS-10 from around 1969. It’s in good shape, but wasn’t in active use by previous owner. I’m in the process of cleaning it up for use, and as I was disassembling and removing the blade, I noticed a thin liquid spill from what I think would be called the arbor housing (the outer cylinder in the picture below). I don’t know much about machinery, but I’m guessing it was lubricant of some sort and that I should put some more in before using the saw. So, I’m hoping to find out what would be safe to use and roughly how much I’d want to put in there. Also, I’m new here, so hello! I’m a rock hound near Chicago getting into basic lapidary for fun, mostly cutting and face-polishing specimens.
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Post by Peruano on Oct 24, 2019 10:27:25 GMT -5
Unless your bearing has an obvious grease zerk, I'd guess that there is not a lubricant to be replaced. Saws do run with mineral oil or water lubricants but these are mostly to cool the blade and material and to wash away rock grit, and not to my understanding essential for maintaining the rotating surfaces. My slab saw has grease zerks and takes a bit of standard grease once in awhile. The worm gear runs in a bath of thick gear oil, but these are special cases. I'd guess that most saw bearings are sealed to protect them from the grit and contamination inherent in sawing. Enjoy your saw and get it dirty.
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Post by toiv0 on Oct 24, 2019 19:19:07 GMT -5
If something leaked out of that housing and it was water and not oil it has been compromised and might fail fairly soon. You can feel or taste the difference between the two. .. kidding don't taste it. Oil and water have a different feel. I would say run it until its broken. I use mineral oil in mine, just enough to cover the edge of the blade about 1/3 of an inch.
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Deleted
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Member since January 1970
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Post by Deleted on Oct 25, 2019 18:29:41 GMT -5
Thanks, all. I got back to it this morning and I couldn’t get any additional liquid out. Seems to turn nicely, so I’ll leave as-is.
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