Check your oil level, but I doubt thats the problem. One port of each remote has a restrictor so that when you release pressure, the implement lowers at a speed that you select. The restrictor valve adjustment is below the seat, one on each side of the hydraulic unit. It is difficult for me to describe but on each side of the unit there will be two adjustment screws, two will be mirror opposite from each other, these are interlocks, and are for using a single action cylinder. The other two, behind the interlock on the right hand side, and in front of the interlock on the left side are your restrictors. Older 50 series had a locknut on the screws, newer ones had hex cap for a lock, that you have to remove to turn the screw. Turn it in to increase the restriction. This assumes the hoses are hooked up so that pulling the hydraulic lever back lifts the unit. This should solve your lowering problems. The lifting problem sounds like low oil, air which should work out after a cycle or two, or a weak pump. Those are simple hydraulic units, and are easy to work on, one of the things that make an 1850 such a good tractor. Josh
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