Posted by Owen Aaland on May 28, 2014 at 21:20:56 from (216.47.33.5):
In Reply to: Super C hydraulics posted by jhilyer on May 28, 2014 at 13:44:55:
It is a double acting check valve used to keep the cylinder on the Fast Hitch from settling with a load on it. When the control valve is in not directing oil to the hitch both check balls are seated sealing off the cylinder from the valve. When the control valve pressurizes one side that ball is lifted off the seat to allow oil to pass. At the same time it moves a small piston in the block between the check balls which unseats the other ball allowing oil to pass back to the control valve. By controlling how much oil is sent to the cylinder you also control how much the other ball becomes unseated allowing you to control the speed even with a load on the cylinder.
Unless something is broken it is just a matter of replacing the O-rings to reseal it.
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Today's Featured Article - The Rescue of a Fordson F - by Anthony West. Introduction I live in the UK and have for many years restored Fordson tractors (in the main model N's). I have also restored and shown model F's, E 27N's, Field Marshall Series 2, David Brown Cropmasters and the old rey Fergeson T 20. At one time I had seven restored examples which were shown and used in ploughing matches. As most restorers, I have a number of war stories I can relate on a range of topics that may help other like minded and interested people. Perhaps my first p
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