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1550 hydraulics for remote are slow

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Posted by Jeff in Columbiaville on September 02, 2009 at 10:43:30 from (

Hi All,

I got an oliver 1550 with hydralectric and 3pt. when i raise RPM's above 1200 the 3pt raises and lowers ok. Now when I put the rpms at 2200 it raises and lowers at spec 1.5 seconds. My problem is that when I hook up the remote (right side) to my double acting cylinder and raise my NH469 haybine with a 3"x8" cylinder it works fine at first but once I go and start working then it get slower and slower.

I verified that the bleeder is all the way in (the one that you unscrew a few turns for single acting cylinders). I made sure that the restrictors were set ok. So I decided I would check the filter and change the oil. Well the filter wasnt too bad but I ordered a new one. The book says to hook a hose to the drain plug and run the tractor till no more fluid. My drain plug won't come out so in my thinking, I thought "hay use the left remote and just squirt it into a can".

That is where i got confused...

I hooked up a hose and put it into a 5 gallon bucket, started the tractor and fluid started coming out the hose even though the spool is in it's centered position. When I move the spool to the other port the fluid stops and when I move it to the port with the hose, the fluid comes out fast.

Is this normal? I took the cover off and cleaned the spools, the balls all look fine so do the springs, the spools fit tight but slide easy, like the book says. I'm hoping that it is just the fluid is bad but I don't know.

Sorry so long winded but I hope that i filled in enough of the issue for some ideas....




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