Posted by Kirk Affeldt on June 30, 2013 at 07:20:17 from (206.144.217.9):
Good moring! I have a 574 gas that is running rough-sounded like it was missing or not all cylinders were functioning well-and I can not figure out what is going on. Here is what I know and did.
I checked the spark plugs and notice they all were covered in a thin, dry carbon film so I cleaned them, and regapped them. Checked all fluids-oil was good, radiator was low, so I added to full. I ran them for an hour or so and the tractor ran well but the "chugging" returned.
The spark plugs were covered in the dry, carbon film so I put in new spark plugs-Autolite 3116, points-gapped them to spec 0.02, condenser, rotor, and distrubutor cap. One spark plug wire, #2, didn't have a wire coming out of insulation and bent over the clip. So I fixed that.
I ran the engine and sounded more like normal, but after using a 7" sickle mower to trim under the fence for maybe 30-40 minutes, so "chugging" returned under lower idle. I went to finish mowing out a field drive and the problem worsened-loss of power, darker smoke out of the muffler, "chugging" along, limping back home.
This morning I took out the new spark plugs and they are coated with a light film of dry, black soot just the same as what is at the end of the muffler.
I am thinking the worse here but I was hoping someone may have more thoughts as to what is wrong with my 574. I bought my trator 4 years ago, 3240 hrs, light duty work for me, ran like a top. Thank you for thoughts and ideas!
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Today's Featured Article - History of the Cockshutt Tractor - by Danny Bowes (Dsl). The son of a very successful Toronto and Brantford, Ontario merchant, and himself quite an entreprenuer, James G. Cockshutt opened a business called the Brantford Plow Works in 1877. In 1882, the business was incorporated to become the Cockshutt Plow Company. Along with quality built equipment, expedious demand and expansion made Cockshutt Plow Works the leader in the tillage tools sector of the farm equipment industry by the 1920's.
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