Ive got a 484 and I went through everything on it, rebuilt the engin last winter. After I rebuilt the engine it took forever to get the air out of the injection pump. Make sure you have fuel at the injection pump. If you do crack a injector line and hold a rag over the fuel take filler and force air in the tank while cranking the engine over. Thats how I got mine running again.
On mine the stainless steel fuel line by the filter was dry rotted and it was sucking in air. It would drop rpms and I would see bubbles in the return fuel line. I would cut those lines out of there and spend $3 and replace them.
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Today's Featured Article - Product Review: Electronic Ignition - by Staff. Oil, for example has come a long way in the last 50 years and I don't use anything but the latest API grade available. I've heard the arguments for non-detergent oils but would never trade it for today's formulations. Paint is another, the modern acrylic enamels are great for resistance to grease and fuel stains, retaining their shine and they last forever; unlike enamels and lacquers . Still another is the alternator. No doubt using the original generator keeps the tractor pure, but for thos
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