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 - Choosin, Mounting and Using a Bush Hog Type Mower - by Francis Robinson. Looking around at my new neighbors, most of whom are city raised and have recently acquired their first mini-farms of five to fifteen acres and also from reading questions ask at various discussion sites on the web it is frighteningly apparent that a great many guys (and a few gals) are learning by trial and error and mostly error how to use a very dangerous piece of farm equipment. It is also very apparent that these folks are getting a lot of very poor and often very dangerous advice fro
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