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Ford 9N, 2N & 8N Discussion Forum
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Running rough under load

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Adam Paul

07-06-2004 19:03:06




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Hey guys! I'm a little confused, and could use some opinions... Wilber, my 1946 2N is running real rough under load. I use the 2N mostly for bush hogging chores and noticed this a few weeks ago. I have a 4 acre pasture.... About 3 weeks ago, I cut about three acres of REALLY tall grass and had no problems until the last acre. (All the terrain is about the same) During the last acre, it seemed like the governor spring stretched a little, but found that if I took smaller passes, I could at least get the job done and tighten the spring... So far it looked as though I was correct. The governor spring was indeed loose, and I had no control during the first quadrant of the throttle.... I tightened the spring, (by way of removing the governor to also fix an oil leak) to apparently that "happy spot", where there is not too much tension, and no "slop" in the spring. Also, (since I was getting into it) I did a very thorough job of cleaning the air filters... Put everything back together, and fired her up to head back out to the pasture. Boy did it have a very commanding sense of "I'm boss to this grass" (though now the grass was only 9 inches tall instead of 24inches) Well, to bring closure to this story, that only lasted about a half hour... I checked the spring to see if it had stretched loose, and it had not. Not at all. As a matter of fact, the 2N seems worse than it did a few weeks ago. When the hog is engaged, and going though a little bit of grass, it just starts sputtering at a real low idle, and wants to die.... Step on the clutch, runs fine. Let the clutch up, runs rough. Disengage the PTO, runs great. I checked the hog, and it moves freely and if I engage the hog on the driveway (safe long driveway) I get the nice "blade swirling" sound. So, what am I overlooking??? Or, is it time to try fussing with the governor again???
Thanks a lot guys, and I hope you've had a great weekend!!!
Adam Paul

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ratface

07-07-2004 05:04:34




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 Re: Running rough under load in reply to Adam Paul, 07-06-2004 19:03:06  
hey Paul, I'm currently having the exact same problem, I could have written that post word for word. Anyway I've gone through the entire tractor and all I can find is a lose distributor shaft. Just something to keep in mind, although I've yet to correct it. You might try checking for gas flow at the bottom of carb, let it drain into clear glass jar and check for water in gas. Check that your points are gapped correctly and that all your sparkies are firing. Are you using copper wires? Is your firing order correct, see if three and four are not interchanged. If you find it let me know.

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Steve IA

07-07-2004 03:36:04




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 Re: Running rough under load in reply to Adam Paul, 07-06-2004 19:03:06  
Try unscrewing the big screw on the carburetor about 1/8th turn. If that helps a little, turn it another 1/8th. YMMV. Steve 8N `169302



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kenny

07-07-2004 19:52:04




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 Re: Re: Running rough under load in reply to Steve IA, 07-07-2004 03:36:04  
I have a 1949 8n about a year ago had the same problem tried all the obivous turned out to be the weight andcam assembly was froze up replaced cost about 70dollars been fine ever since hope this helps



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Adam

07-07-2004 20:38:30




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 Re: Re: Re: Running rough under load in reply to kenny, 07-07-2004 19:52:04  
What do you mean... Inside the governor??
Please explain...
Thanks,
AP



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