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post #3 of Old 02-23-2019, 10:32 AM Thread Starter
chysm60
MTF Junior Poster
 
Join Date: Jan 2019
Posts: 9
Re: Hydraulics issue

I do have the manuals for the tractor. The 3-point hitch (3PH) is integrated into the tractor housing. As you can see in picture 1, the upper left shows the hard line coming from the pump right into the housing. In pictures 3 you can see the shaft coming from the control lever for the 3ph in the upper center of the picture. In picture 1and 2 you can see the poppet valve that is attached to the housing. As you can see a distribution block was added between the housing and the poppet valve. Picture 10 shows the breakdown of the poppet valve. I am assuming that since here it is called a poppet valve that this is the relief valve. From the distribution valve the lines go to the selector valve, picture 4. From the selector valve lines run back to the poppet valve and the front end loader (FEL) control valve. Picture 13 shows the breakdown of the FEL control valve. Now valve.

I am going to install a pressure gauge (for testing only) with a tee, into the line coming from the pump and another gauge on the loader valve to see if it is loosing pressure somewhere. At least then I can tell a little of what is going on in this system. I also want to make sure that I am getting 2000psi pressure to the system before I start rebuilding cylinders. That is a good idea about the cylinders rings being bad, I didn't think of that.

I have included a few extra pictures of the system, maybe someone can help me out. I would really like to get rid of the selector valve, it is a nuisance switching back and forth. I grew up as a farmer and we never had to do anything like that on any of our tractors. Some of our tractors were from the 50's when I was young and this is newer technology. The 3PH seems to have plenty of power so far, I only have a back blade and a rear finish mower with it.

Now, just so you know, I'm quite good at mechanics, just not hydraulics. I had to purchase two tractors to put one good one together. The engine had to be changed since the simplicity didn't run. I purchased a MF1010 with a good engine in it and swapped them out. I will rebuild the simplicity engine in time, just didn't want to do it right now. so with the MF1010, I do have some extra parts to work with. The simplicity is a 4x4 and the MF1010 is 2wd with no implements.

Thank you for responding! I can really use the help on the hydraulics.

chysm60
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