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AC model G

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Alabamacub

09-19-2003 19:15:25




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My father purchased a 1954 model G. The tractor looks in good shape;however, when you put the tractor under load it surges up and down. Could it just need adjusting or is there a spring that is missing(location). I am new to this board. Thank you for your help.

Robert
Alabamacub




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David Bacon

09-23-2003 20:29:50




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 Re: AC model G in reply to Alabamacub, 09-19-2003 19:15:25  
My very first thought is clean the carburator / and or adjust it. You may consider new plugs / points etc if they are not already in good shape. The second (FIRST THING) I would consider doing is to unhook the govener linkage off the carburator. A stationary load for the engine and a assistant TO START AND OPERATE THE TRACTOR would be a must----hold the carburator shaft with your fingers while engine is working. If you can control the engine at a consistant RPM ---this will tell you it is in the govenor. ---watch the govenor linkage as you do this---Is it acting stupid or staying steady? ----I'm not sure I could understand this even if I read it myself--- In simple words you are by passing the govenor and taking the govenors place with your fingers on the throttle shaft. Good Luck Dave NE Iowa

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Smitty

09-20-2003 10:23:10




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 Re: AC model G in reply to Alabamacub, 09-19-2003 19:15:25  
Sounds like a governor problem to me. That is the function of the governor, to compensate when engine is under load by adding throttle to maintain previous rpm. Most governors work on basis of centrifugal force, and include weights and springs. This would be the first place I'd look to remedy your problem, though I am not at all familiar with the Continental engines AC put into those model G's. Perhaps someone more familiar with that model could offer advice.

Good Luck! Enjoy that A/C!

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