Posted by T.C. in Tx on May 03, 2010 at 19:14:08 from (70.112.38.168):
Help, I am working on a friends 3 cylinder Kubota L2600DT tractor. It had been sitting outside for 2 years with busted hydraulic hoses.
I fixed the hoses and changed the fuel filter and oil and filter. Put fresh diesel in it and fired it up. At first it would start and run a few seconds and die. Then I discovered a black thumb screw on the injector pump. It was closed and when I opened it (turning counter clockwise), then the tractor ran OK.
But today on a test drive after about 10 or 15 minutes it started bogging down and the exhaust started getting black. It finally quit running. It will start and die over and over. I checked the little thumb screw on the injector and cannot detect a difference in changing the setting.
Also, it sounded like an injector knock from overfuel when it was last running. At least that is what I suspect. It has enough oil and the light is not on so I think the oil pressure is OK.
I opened the bleed screw on the fuel filter and clean fuel comes out.
Does anyone have an idea what could be the problem? I have no manuals or even any experience on this model tractor. Never had anything like this on my other diesels.
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Today's Featured Article - What Oil Should I Use? - by Francis Robinson. I keep seein this question pop up over and over again in discussion groups all over the web. As with many things there are often several right answers and a few wrong ones. Some purist I'm sure will disagree to no end with what I will tell you but most of us out here in the real world don't really care do we ? Some of them only bring their noses down out of the air long enough to look down them anyway. If you are like me you are only doing this old tractor stuff because you enjoy it. You
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