The actually exact pump is a DP210 which has a timing retard at high power and a timing advance at light load. From the pump sale lit: " light load advance travel capability to 28° engine maintains misfire margin at part load. The light load injection timing is set on each pump and the speed advance is controlled by a fixed stop at rated speed to provide advance consistency. The advance response rate is optimized to help prevent transient misfire."
I'm guessing the advance/retard mechanism is sticky or bunged up.
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Today's Featured Article - The Ferguson System Principal An implement cutting through the soil at a certain depth say eight inches requires a certain force or draft to pull it. Obviously that draft will increase if the implement runs deeper than eight inches, and decrease if it runs shallower. Why not use that draft fact to control the depth of work automatically? The draft forces are
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