Posted by athol carr on February 09, 2016 at 20:06:32 from (219.89.237.128):
In Reply to: up draft carbs. posted by F.E.Bear on February 09, 2016 at 18:43:44:
I think that the F-12 etc tractors got downdraft carburetors because the engine designers did not leave enough room to get the spark plugs between the valve push-rods. Hence the spark plugs are on the other side of the engine under the manifold. With the spark plugs there an updraft carburetor was not possible if one needed access to the plugs, so a downdraft carburetor together with fuel pump was fitted. A curse on a gasoline only tractor if the carburetor is dry, it takes quite a bit of cranking to get enough fuel into the carburetor for starting.
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Today's Featured Article - Identifying Tractor Smells - by Curtis Von Fange. We are continuing our series on learning to talk the language of our tractor. Since we can’t actually talk to our tractors, though some of the older sect of farmers might disagree, we use our five physical senses to observe and construe what our iron age friends are trying to tell us. We have already talked about some of the colors the unit might leave as clues to its well-being. Now we are going to use our noses to diagnose particular smells. ELECTRICAL SMELLS
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