zarguy
fully equipped rock polisher
Cedar City, Utah - rockhound heaven!
Member since December 2005
Posts: 1,791
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Post by zarguy on Jul 11, 2018 18:40:29 GMT -5
I bought a used Raytech 10" slab/trim saw that hasn't been cleaned in forever. The sludge smells like kerosene or some other stinky solvent. What's the best solvent that'll remove the sludge without stripping the paint? Lynn
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Post by woodman on Jul 11, 2018 20:56:18 GMT -5
More kerosene or diesel.
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QuailRiver
fully equipped rock polisher
Member since May 2008
Posts: 1,636
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Post by QuailRiver on Jul 12, 2018 1:56:54 GMT -5
I usually use WD-40 for cleaning up sludge on old equipment. I buy the gallon size can and use a spritzer bottle to apply it. More economical that buying the aerosol cans of WD-40 since with a spritzer bottle not as much gets wasted from being too atomized and floating away from where you want it to land.
Larry C.
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Post by Peruano on Jul 12, 2018 6:56:20 GMT -5
Actually you probably would be fine to scrape as much as you can and then use mineral oil. By the time you have changed the mineral oil a couple of times as you use the saw, the film will likely go away or turn into the patina that makes the saw tank elegant. New mineral oil always improves my saw's outlook. Or is it my attitude?
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Post by johnjsgems on Jul 12, 2018 13:26:55 GMT -5
You are lucky to just have smelly residue. I bought a Beacon Star "with new oil and blade but then not used for a couple of years". Had to be some kind of vegetable oil. Rancid, nasty glue like residue everywhere on saw. Soaked everything (except power feed) in solvent for weeks before finally giving up and "putting it away until I have more time".
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zarguy
fully equipped rock polisher
Cedar City, Utah - rockhound heaven!
Member since December 2005
Posts: 1,791
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Post by zarguy on Jul 12, 2018 13:38:22 GMT -5
I usually use WD-40 for cleaning up sludge on old equipment. I buy the gallon size can and use a spritzer bottle to apply it. More economical that buying the aerosol cans of WD-40 since with a spritzer bottle not as much gets wasted from being too atomized and floating away from where you want it to land. Larry C. Never heard of using WD-40 to dissolve gunk. I will try it out. Lynn
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zarguy
fully equipped rock polisher
Cedar City, Utah - rockhound heaven!
Member since December 2005
Posts: 1,791
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Post by zarguy on Jul 12, 2018 13:47:35 GMT -5
You are lucky to just have smelly residue. I bought a Beacon Star "with new oil and blade but then not used for a couple of years". Had to be some kind of vegetable oil. Rancid, nasty glue like residue everywhere on saw. Soaked everything (except power feed) in solvent for weeks before finally giving up and "putting it away until I have more time". I'm not sure how lucky I am. The gunk is about the consistency of Bondo that's part way hardened. I'd rather not scrape much because I'm lazy. I heard chemical are where it's at Plus, I want to avoid gouging the inside curved surfaces of the sump, and the paint. I should mention that the 3 gunkiest parts are the table top, plastic sump, and vise assembly. Lynn
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Post by parfive on Jul 12, 2018 14:24:44 GMT -5
Never heard of using WD-40 to dissolve gunk. Also good for tarmacadam on rocker panels and running boards.
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QuailRiver
fully equipped rock polisher
Member since May 2008
Posts: 1,636
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Post by QuailRiver on Jul 12, 2018 23:19:09 GMT -5
On non-painted surfaces NAPTHA works very well too. And can be used on most painted surfaces if used and removed quickly. But if left on painted surfaces too long it can damage paint. I've used NAPTHA in plastic sump pans too but if left in too long it will start softening the plastic.
And for completely dried oil/rock sludge - spray foam oven cleaner...nasty stuff to work with though and will strip off the paint!
Larry C.
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J Mee
off to a rocking start
Member since July 2018
Posts: 21
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Post by J Mee on Jul 18, 2018 4:06:17 GMT -5
I’ve been working an resoring an old combo unit recently that had simlar gunky smelly (kerosene i think) buildup in the saw and all over. I used a plastic scraper i found at a yard sale to clean out the bulk of it and it was a huge improvement. It was a “skrapr” brand scraper designed not to hurt surfaces. Solvents will leave you with the rock gunk to dispose of along with the added solvent, so I think its best to scrape what you can, then its easier to dispose of. I havent finished the clean up yet, but i did notice the wd40 I used to help loosen the blade dissolved some of the gunk where it dripped. It’s been roaining a lot here too, so the water seemed to help loosen up the gunk to make it easy to scrape. I’m planing on using the saw with water, so I’d like to get it as clean as possible. I’m going to try some of the sugestions above and will report back.
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