Posted by Paul J. on May 06, 2011 at 08:34:28 from (97.114.10.129):
In Reply to: 444 Hydraulics quit posted by Paul J. on March 20, 2011 at 18:05:23:
Thanks for the suggestions, I was able to get it going; changed filter under the steering column(real dirty), cleaned the screen in the reservoir(a little dirty), and cleaned the little screen under the seat(not much there for dirt). Still nothing, then I tried tapping on the relief valve on the flow splitter, and that seemed to get it going. That may not be a long term solution to the problem, but it is working for now.
My theory is that the dirty filter under the steering was plugged enough to pop the relief valve and then it stuck open.
I have a new problem that started when I went to lift my bush hog, (which is fairly heavy), and is still happening with the back blade attached.
When I lift the 3 point it will not go back down with the tractor running. Power steering and loader work fine. Also, when I start the tractor the 3 point raises the blade maybe and inch or so off the ground with the 3 point control all the way forward. If I shut the tractor off it settles back down. I have the draft control all the way forward (heavy load). I do not have a factory top link, and the one I have does not touch the sensor for the draft control.
A couple ideas but I wanted to get some other thoughts;
1) I have a internal seal blown and I am bleeding some fluid into the internal lift cylinder.
2) The draft control or the draft sensor is messed up and applying some lift to the 3 point.
I am open to suggestions and trouble shooting/problem isolation ideas,
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