I'm not Roy,but I can tell you two sources of leaks I've had on top of my 6.9. There are little rubber caps at the end of the fuel return line and more important,those plastic caps on top of the injectors where the return lines hook up,there are two o-rings inside each one. Slide the clamps on those little rubber hoses to the center then turn those caps to get the hoses off.You'll have to take the injector lines off. Now they just snap right up off of there. On mine,those o-rings had worn flat. Slid new ones down on there,snapped the caps back on,hooked up the hoses and lines and that was it.
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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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