Posted by gramesj on December 13, 2017 at 18:41:58 from (68.226.152.92):
Hey everyone. You'll never believe it but I've got tractor problems. Lol. I bought a JD 300b last week. The guy was pretty up front about the issues he knew of. The main one was that it had been flooded. I'm down here in Louisiana and we had a couple big floods last year. The guy said when he found the tractor all he could see was the top of the backhoe. He drained the diesel and changed the fluids in the motor. He started it up for me and it sounds good. The problem is with the hydraulics. He said that when he fired up the tractor that everything worked but started to slow down then finally quite. So yeah there was water in the hydraulics.
Anyways we loaded up the tractor and I took it home and drained the hydraulics and changed the filters. I drained the lines from the backhoe to pump, the front half. fired up the tractor and everything works except the forward gears. It will go in reverse but not forward. The tractor has a reverser on it and like I said the reverse works but won't go in forward. Also the breaks won't work either. After that I checked the hydraulic fluid and as expected it was milky again. I knew I would have to flush the hydraulics several times to get it really clean. So I changed the fluids a second time and new filters. Also the first time I removed the hydraulic sump cover under the seat and flushed the thick gunk with diesel fluid and dried it before adding new hydraulic fluid.
So, does anyone have any idea of what the problem is? This is my first tractor with a reverser on it. My other tractor is a ford 1700. Any help would be really appreciated.
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Today's Featured Article - Third Brush Generators - by Chris Pratt. While I love straightening sheet metal, cleaning, and painting old tractors, I use every excuse to avoid working on the on the electrics. I find the whole process sheer mystery. I have picked up and attempted to read every auto and farm electrics book with no improvement in the situation. They all seem to start with a chapter entitled "Theory of Electricity". After a few paragraphs I usually close the book and go back to banging out dents. A good friend and I were recently discussing our tractor electrical systems when he stated "I figure it all comes back to applying Ohms Law". At this point
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