I wish you a blessed Easter also. I offered the hyd info about your 1020 tractor due to the 2 different independent types(open & closed center)systems aren't normally located on same tractor. This info is very important when one needs to diagnose a hyd problem on your tractor.
Below is a brief explanation of differences in OC & CC hyd systems.
Open center hyd's oil flows continuously while engine is operating from pump to reservoir until a hyd control is activated to divert hyd oil. This diversion of hyd oil to operate a hyd component creates pressure.
Closed center hyd system builds pressure in frt hyd pump & associated lines. Pump then has oil diverted to inside pump crankcase which opens the stroke control valve & pushes pump pistons away from pump rotating shaft stopping pump from pumping. The pressure is maintained until a hyd function is activated or internal leak & pressure drops allowing springs to push pump pistons back against rotating pump shaft causing pump to begin pumping again.
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Today's Featured Article - Show Coverage: Godfrey, Illinois Country Days - by Cindy Ladage. Except for last fourth of July's Old Gold show in Springfield, Illinois, I don't remember when it was so hot. Nevertheless, the heat didn't keep vendors and visitors alike from enjoying the third annual Country Day's Event. Jane Elliott said the event was originally a one man show. "Barry Seiler, owner of Country Town Farm Supply store used to invite people up to the Johne Deere store. He would give hats and a free meal for everyone that brings a tractor." Elliott said while this
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