Posted by 2510Paul on April 28, 2015 at 07:15:44 from (173.202.142.245):
Responding to one of the comments in my rollover plow post earlier, yes the 4320 can pull a lot more. It just plays with the 3 x 18's although on a steep hill with clay it works it. I also have a problem rolling over the clay uphill on the steeper slops but I will save that for another post.
My issue is the 4320 really struggles to lift it. My son upped the pressure to the upper end of the spec. at the front pump but it did not make a difference. I have oil leaks at both the differential lock valve and the brakes. I have been looking at the 4020 service manual ( I don't have the 4320 service manual.) and it looks like there are many possible causes. One includes leakages at the brakes. I will have to redo the differential lock valve and brakes and then see if I have better results.
Right now I can just get it high enough to rotate the plow at the end of the furrow. Sometimes the coulter scrapes the ground. It's interesting, if I travel with the plow up for some distance it finally reaches something closer to full height. I believe the bouncing temporarily relieves the weight/pressure and each time it raises it a little more.
Anyway, I just thought I would put this out there and see if anyone had any other solutions for this that were common or "Check this first" items.
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