Here is how I used to unhook/hook up hydraulic couples be it right or wrong.
To Unhook: If the implement has a transport lock, engage it or let implement down to rest on the ground, then shut tractor engine off and work remote lever fwd/rev until all pressure is off the hydraulic lines, then unhook the hydraulic couplers.
To hook up: Again turn tractor off and work remote lever fwd/rev to release pressure on hydraulic lines then connect hydraulic couplers.
I don"t know if this method will work on closed center hydraulic system but works on open center system.
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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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