I guess I'm not using the proper terminology. My 670 is leaking from where the fluid goes in to move the piston (left side of tractor, under the nose tin). There is about a 5 inch metal cap/plug that is held in with a snap ring. The hydraulic/power steering line enters into the ceter of it. Fluid leaks out of there when it is running or sitting. The line was quite rusty so I replaced it (the old one was braised in and so is the new one). Anyway the fluid appears to be leaking around the O-ring. I have replaced the O-ring twice, but it still seeps. Kurt
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Today's Featured Article - Hydraulic Basics - Part 2 - by Curtis Von Fange. In the last entry to this series we gave a brief overview of hydraulic system theory, its basic components and how it works. Now lets take a look at some general maintenance tips that will keep our system operating to its fullest potential. The two biggest enemies to a hydraulic system are dirt and water. Dirt can score the insides of cylinders, spool valves and pumps. Wate
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