OK, unhook carb link to governor, pull throttle lever to full throttle position. Put carb butterfly in wide open position. Adjust length of rod so they just match. Shorten rod one turn from that so when governor opens up it does not slam throttle shaft in carb against it's stop. (slamming it against it's stop is very hard on the shaft and bushing causing premature wear). Then , when you get it running at a speed where it hunts, screw in that little bolt on lower end of governor housing until hunting quits. A good lively governor will usually hunt just slightly one time when opening throttle from lower speed. If you screw it in too far carb will not idle down. If screwing in does not help, check for broken or loose bumper spring in governor. Lean mixtures or other wise poor tune will also cause hunting.
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Today's Featured Article - Diagnosing Engine Difficulty - Diesel Tractors - by Staff. The following suggestions are listed for your assistance. You can make simple adjustments on your tractor that will improve its operation and save you the time and expense of hiring someone to do it for you. Always make one adjustment at a time, and if the adjustment made does not improve the condition, return to the original setting before proceeding to the next adjustment. Hard Starting Cold air temperatures. Insufficient fuel.
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