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Order Farmall Cub Parts Online

farmall cub govenor

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Joe Lankford

02-02-2013 10:58:40

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Bought a 1949 cub, it sat for years. Got it running to discover it had no throtle range 1st notch idle 2nd notch wide open, had a miss and bad bearing knock. Rebuilt engine installed a different used govenor started it to discover same throtle promblem. Read alot, adjusted linkage properly,no play in linkage any where. Does the fan hub have anything to do with this?? Any sugestions?

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02-03-2013 10:03:41

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 Re: farmall cub govenor in reply to Joe Lankford, 02-02-2013 10:58:40  
Hey Rusty, it's hard to give suggestions without knowing the whole story with what has happened to the tractor. What I was trying to get across was the idea that there are a number of things that could be causing his tractors issues, and without knowing the whole story, any suggestion would be no more than a guess.

What you do with your equipment is of course your business, but there is no need to modify something that has worked for over 60 years as is. What one person may consider "better", another may look upon as a "disaster". Plus, your suggestion would not work in Joe's scenario. Your problem with the elongated holes would allow the lever to move forward without affecting the actual throttle setting, leaving the tractor at idle until the slack was taken up. Joe's problem is just the opposite, by moving the lever, the throttle goes from idle to full RPM with just one notch.
He has a different problem, and it will require a different solution.

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rusty wheel

02-03-2013 09:07:23

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 Re: farmall cub govenor in reply to Joe Lankford, 02-02-2013 10:58:40  
Hey Screwstick, Lotta questions, no suggestions. Nothing wrong with modifying parts on these old tractors to make them better. It's done all the time.

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john *.?-!.* cub owner

02-02-2013 20:53:41

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 Re: farmall cub govenor in reply to Joe Lankford, 02-02-2013 10:58:40  
sounds like it may have the wrong spring or no spring on the arm on the governor. Strength of that springs balances against the governor.

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02-02-2013 20:14:15

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 Re: farmall cub govenor in reply to Joe Lankford, 02-02-2013 10:58:40  
When you installed the governor, did you ensure the internal weights were free?

What about the finger plate that pushes against the weights, is it installed and in good shape?

Where did you get the spring that is installed between the governor rockshaft and the throttle rod?

Are the holes worn or elongated as described above?

What about the woodruff key in the rockshaft going into the governor, is it tight or loose?

What, if anything, was done to the carb internals?

What are the exact RPM's at idle and when it goes full throttle?

Before you start cutting and modifying parts, I'm sure there is an easy fix to cure the tractors problems.

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rusty wheel

02-02-2013 19:48:13

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 Re: farmall cub govenor in reply to Joe Lankford, 02-02-2013 10:58:40  
I had the same poblem with my cub. The holes where the spring attaches to the governor linkage was worn allowing the throttle lever to move without moving the governor arm or the linkage to the carb. To solve this condition, I cut the long rod from the throttle lever to the governor in to under the gas tank, and installed a turnbuckle. This made the rod adjustable and when I shortened the length of the rod with the turnbuckle and took all the play out of the rod it works great.

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Joe Lankford

02-02-2013 19:05:23

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 Re: farmall cub govenor in reply to RTR, 02-02-2013 16:44:08  

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steve alderman

02-02-2013 11:24:54

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 Re: farmall cub govenor in reply to Joe Lankford, 02-02-2013 10:58:40  
check to rod that goes from the carb to the govenor you can adjust that

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Joe Lankford

02-02-2013 19:08:27

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 Re: farmall cub govenor in reply to steve alderman, 02-02-2013 11:24:54  
I adjusted the rod according to the Blue Ribbon IH manuals. Thanks for replying

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