I removed the spindle and it looked fine to me I am not a hydraulic expert). The rubber O rings looked ok, maybe a little hard. No scoring or dirt. This valve has always been "sticky" compared to the 300 next to it. If I recall correctly, I have to help center the spindle when I push it to full travel. It wants to "stick".It does not float freely as does the 300. There is only one thing that can unscrew and that is the screw that holds the spring and it was very tight. I can't run a test as you suggest as the spool is out. But I don't recall the bucket recovering if I hold the spool in the same position. I have to pull it further back to reverse the tilt. Removing the valve may be the answer and testing with air. I am going to take the spindle to the shop that works on all the heavy equipment in the area Monday and see if they can find anything obvious. Could the o rings (2) be old and stiff and make the valve "sticky" so it does not properly center?
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Today's Featured Article - A Lifetime of David Brown Tractors - by Samuel Kennedy. I was born in 1950 and reared on my family�s 100 acre farm. It was a fairly typical Northern Ireland farm where the main enterprise was dairying but some pigs, poultry and sheep were also kept. Potatoes were grown for sale and oats were grown to be used for cattle and horse feeding. Up to about 1958 the dairy cows were fed hay with some turnips and after that grass silage was the main winter feed. That same year was the last in which flax was grown on the farm. Flax provided the fibre which w
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