Posted by jm. on August 01, 2021 at 08:11:30 from (161.82.107.93):
OK don't laugh Kubota man got coned into looking at his neighbors JD 430. This thing is old but started out with the fuel control solenoid burning up. I ordered him a new one and installed it. When you crank the tractor it will run as long as the key was in the START position. OK if this was a hold in coil on the new solenoid was bad. But this is all external and easy enough to just remove the solenoid and tie the run lever back. Doing this the engine still does the very same thing only runs with the starter helping. So next I suspect the electric fuel pump.... full flow if anything too much at the injection pump entry fitting. Next I removed the return and it has as strong flow, also removed the small line from the end of the injector drip line. No change. Pulled the side plate and the slide rail in the pump moves free. Is there and internal spring between the fuel rail and the governor that is killing this engine. About to the end on what to check next. Does anyone know if there is an internal screen in the injector pump/
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Today's Featured Article - Tuning-Up Your Tractor: Plugs & Compression Testing - by Curtis Von Fange. The engine seems to run rough. In the exhaust you can hear an occasion 'poofing' sound like somethings not firing on all cylinders. Under loaded conditions the tractor seems to lack power and it belches black smoke out of the exhaust. For some reason it just doesn't want to start up without cranking and cranking the starter. All these conditions can be signals that your unit is in need of a tune up. Ok, so what is involved in a tune up? You say, swap plugs and file the points....now tha
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