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Re: '49 Farmall Model C gov to carb adjust

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03-07-2013 10:15:43

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Off the top of my head it sounds like you're pushing the throttle CLOSED, which would explain why you've got 1" of difference.

When you move the throttle lever from idle to full, watch which way the governor tries to move the throttle rod to the carburetor. When you adjust move the rod in the same direction.

BTW, if the throttle rod is out of adjustment, the surging will be totally uncontrollable, not just at idle.

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03-07-2013 15:47:48

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 Re: '49 Farmall Model C gov to carb adjust in reply to mkirsch, 03-07-2013 10:15:43  
If it is 1/2 inch off, someone has messed with it. Thread the rod more if it is too long, and cut off the extra. If it is too short, a new correct rod is in order.
Moving the throttle open is moving it in the direction that the rod moves when the throttle hand lever is moved from idle to fast.
When both are moved to that direction, measure and make the rod that length. Make sure it idles when the hand lever is moved to idle.
If it dies in the idle position, the idle speed (and or) mixture need attention to make it idle sweetly. Jim

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03-07-2013 16:00:52

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 Re: '49 Farmall Model C gov to carb adjust in reply to Janicholson, 03-07-2013 15:47:48  
Jim, I'm pretty sure I got the throttle and carb linkage position figured out. I'm going to do 2 things;

1. I'm going to make sure the arm is in fact keyed to the rockshaft. It's that engineer thing.

2. Then I'll adjust the yoke and see if there are enough threads. If not, I'll make more threads as you suggested.

Why would anyone put the wrong carb linkage on? Rhetorical question of course.


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03-07-2013 10:57:06

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 Re: '49 Farmall Model C gov to carb adjust in reply to mkirsch, 03-07-2013 10:15:43  
mkirsch... Good point. I went back and I did do everything right. I took the time to actually measure the distance between the hole centers and it's right at 1/2 inch.

No surging other than at low speed. When I pull the throttle lever all the way back to slowest position it stalls.

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