Don't think you know which stop bolts I meant. If you know how to synchronize the vertical governor link to the throttle shaft. Do it with the throttle rod removed from governor operating arm. In attached picture notice the inside operating arm that's connected to the external operating arm. See the top and bottom adjustable stop bolts in the arm. After synchronizing move the arm that rear of spring hooks to rearward and the operating lever where your throttle rod hooked forward. Now adjust the top stop bolt until the spring just returns the rear arm to rest. That's if you already have your carburetor set for idle speed. If you think the idle may need slowed some after adjusting spring, adjust the stop bolt so it will have a little pressure to push the rear arm back. Now move the hand throttle to low, hold the governor arm forward, adjust the link on the rear of the throttle rod going to the governor so rod will slide in the governor operating rod hole. remove the operating rod from the hole. Get a helper to watch the RPM. Hold governor operating lever all the way to rear by hand. If RPM is low back out the lower stop bolt as needed until RPM gets to spec. If it won't make it the spring is probably to weak. When you do what's needed to get the desired RPM with the stop bolt contacting the housing. Attach the throttle link to the governor and see if the throttle moves the internal arm back to the high speed stop at full throttle. If it won't the linkage has a problem. Or the spring is stretching to much for the throttle range of movement. May notice bushings I installed in spring holes in the picture. Not sure if IH ever used any bushings and a lot of governors work okay without. Up until the early fifties IH was still using a spring with a yoke and pin in the rear spring hole. Bushings do help with lost response off idle.
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Today's Featured Article - A Lifetime of David Brown - by Samuel Kennedy. I was born in 1950 and reared on my family’s 100 acre farm. It was a fairly typical Northern Ireland farm where the main enterprise was dairying but some pigs, poultry and sheep were also kept. Potatoes were grown for sale and oats were grown to be used for cattle and horse feeding. Up to about 1958 the dairy cows were fed hay with some turnips and after that grass silage was the main winter feed. That same year was the last in which flax was grown on the farm. Flax provided the fibre which w
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