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DUH!!! It's the linkage not the govenor.

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meandmydeere
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DUH!!! It's the linkage not the govenor.

Postby meandmydeere » Mon Feb 06, 2006 4:50 pm

I went through everything in my head on my drive to Detroit this morning. I didn't have any tension on the govenor spring at 1/2 throttle like the manual says. But at the same time, the throttle lever wouldn't go all the way back to the idle position but the engine idles down fine. I thought the linkage was a little long and the more I thought, the more my head hurt. All I have to do is adjust the linkage and there will be tension at the 1/2 lever position. Then once I have tension on the spring. I can adjust the carb to govenor linkage.
Thanks for all the input, you helped solve the problem and didn't even know it.
The biggest problem was to much to do and not enough time to do it all.
Mark
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Postby Rudi » Mon Feb 06, 2006 4:52 pm

Mark:

As my Dad used to say "Sometimes we cannot see the forest for the trees" :shock: :? :roll: :?
Glad you got it figgered out..
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Postby DuxburyFarmall » Mon Feb 06, 2006 8:47 pm

I know that sometimes I need to just walk away and clear my head and then I can see the problem a little different and the solution comes.

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Postby awander » Tue Feb 07, 2006 10:23 pm

How do you adjust the length of the linkage from the throttle lever to the governor? I can't see any way to do that, unles you bend it.

I have a similar, but sort of opposite problem-all of my throttle lever travel is in the 0-50% range. in other words, with the throttle lever at 50%, I get 1800(or 1600, I don't remember which) RPM.
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Ends

Postby allenlook » Wed Feb 08, 2006 8:27 am

As with the brakes, you should be able to grasp the end of the governor linkage rod and turn it on its threads to lengthen or shorten the rod.

See parts 1, 2, and 3 on Group 12 Page 18.
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Postby awander » Wed Feb 08, 2006 8:50 am

Allen:

That linkage is teh carb-to-governor linkage.

What I am asking about(and what I think Mark was referring to) was the linkage that goes from the throttle control lever(at the steering post) to the governor, and hooks up to part 11 on that diagram.

It makes sense that adjusting the linkage you mention would affect the throttle lever position for a given engine speed, but that linkage seems to be right according to the adjusting procedure in the manuals.
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Oops

Postby allenlook » Wed Feb 08, 2006 9:08 am

Oops, sorry. When someone says throttle, I assume the throttle on the carb :)
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Throttle lever travel

Postby allenlook » Wed Feb 08, 2006 9:17 am

Now that I think about it, my throttle lever travel has never been from "0 to 100", but I assumed that was normal.

My throttle lever, when positioned at "0" (or engaged in the most-rearward notch) puts the tractor at idle, and the lever will not travel all the way to the foremost tooth before stopping, with the tractor running at 1800 RPM. It probably travels 2/3 of the way forward before stopping.

I just figured that was "normal," but then what do I know? If figure if I ever want to have it travel differently, I can loosen the notched plate and rotate it :D
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Postby 'Country' Elliott » Wed Feb 08, 2006 9:46 am

Hey Allen...That's correct. Your throttle will NOT push all the way forward. It only goes about 2/3 of the way on a properly adjusted govener...that's what keeps you from overloading the engine. If you're engine is properly timed and carb is set right...that 2/3 forward throttle gives you PLENTY of Cub Power for nearly every job! :wink:
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Postby George Willer » Wed Feb 08, 2006 12:23 pm

Re: the governor spring.

It should be adjusted so that when at rest there is neither slack nor tension on it. It may take some careful bending of the spring to achieve that. With the spring installed properly you'll have much better speed control.

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Postby sviennadan » Wed Feb 08, 2006 12:28 pm

Hmm, my throttle lever has always been the opposite; I get max power when set in the farthest forward notch, but cannot pull it back into the last 2/3 of the way back to the most rearward notch. Now I am wondering what the PO did to it, and if I am getting full power when I am in that forward position.
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Postby John *.?-!.* cub owner » Wed Feb 08, 2006 4:55 pm

The rod from the hand lever to the ogvernor has a couple of bends in it to allow it pass alongisde the motor and line up. By decreasifg or increasing the amount of bend you can adjust where the hand lever is at full power or at idle.
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meandmydeere
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Joined: Mon Jun 20, 2005 7:23 pm
Zip Code: 49345
Tractors Owned: 1937 John Deere "B"
1941 John Deere "LA"
1947 John Deere "D"
1952 John Deere "B"
1949 John Deere "A"
(2) 1970 John Deere "70" L/G
1971 Case 442 L/G
1953 Farmall Cub
1962 Farmall Cub Lo Boy
w/Wagner loader
assortment of plows. disk,harvestors.
Circle of Safety: Y
Location: Michigan, Sparta

Postby meandmydeere » Wed Feb 08, 2006 5:04 pm

Apparently this was a good question as I see several people have similar problems with the throttle lever position. By bending or straightening the throttle rod, you can achieve a substantial amount of frustration.
Mark
My wife say's I never listen to her, or something like that.
Amateur Extra class radio call sign AB8MS


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