If you catch some bowling alley being resurfaced, the contractor installing the new surface has a bunch of scraps they need to throw away anyway, so...
I succeeded in rebuilding all of the cylinders on the little Yanmar backhoe attachment. I was able to find all of the seals on the web at the O-Ring...
I made one with a piece of MDF and a "stick-on" abrasive disk. However, I have never used it and it has sat on the shelf for years, BTW, I do have a...