Re: recirculating pump for slab saw
You've have the right idea in mind. What I'm doing is letting the oil drain from the saw sump to a five gallon bucket with the drain hose extending six inches below the top of the bucket. This to get the fines down lower. Then one inch below the top of the bucket I drill a hole and insert a 1/2 in flex plastic line connecting it at one inch or lower to another five gallon bucket which has the pump. With the two buckets you seldon need to clean out the second bucket as the first catches 90%+ of the fines and the pump feeds clean oil to the blade increasing its life and effeciency. Ocassionally after having not using the saw for a week or so and the fines have had a chance to settle I'll scoop or spoon out the settled gunk. This all works well except when cutting Mary Ellen jasper, or the likes where it takes weeks for the fines to settle and leave the oil clean. This system requires about 5 1/2 gallons of oil. 4+ for the first bucket and 1 1/2 gal for the saw sump and the second bucket to keep the pump fed. If you wanted to reduce the amount of oil used you could add bricks to the first bucket. You would just need to clean it up more often and it would be messier. Inexpensive and works great.
From gary - November 21, 2012 at 01:39:41