Sonny,
Thanks for the kind words and advice. I have been studying the book/plans. The main return puts all returning fluid through the filter and then into the tank. On the Oliver combine, did each return have it's own filter? Or was the filter in the supply line to the pump? Did FPS go under...I was looking for images on the web and got very few for FPS?Eastwood has a hydraulic flaring tool that can make just about any kind of flare, so that has me tempted to replace as many flexible lines as possible while I'm sorting this all out. But there are other tools that tempt me more!