Most control valves have an inlet , which usually has a relief valve nearby on the inlet section of the valve..On the oposite side of the valve the return line usually attaches..Then off the top or bottom of the valve are 4 lines in your case that supply oil to the different functions of the valve..Those 4 lines control lift and lower of boom and roll back and dump of bucket..Look at the way the lines are plumbed..Are the lines for the boom lift in row with the valve spool, and the same with the bucket spool..One line lifts and the other lowers on the boom valve spool..If they're crossed it just won't work..One cylinder will work against the other..
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Today's Featured Article - Madison's County - by Anthony West. Philip Madison has been a good friend of mine for quite some time. He has patiently suffered my incessant chit chat on the subject of tractors for longer than I care to remember, and on many occasions he has put himself out, dropped what ever it was he was doing, to come and lend a hand cranking handles, or loading a find onto a trailer. Although he himself has never actually owned or restored a tractor, he was always enthusiastic and always around helping with other peoples projects.
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