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Ford 9N, 2N & 8N Discussion Forum

Somebody please explain it to me like I'm 5

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OH Boy

04-16-2008 18:23:53

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What does the spring on the governor do? I put a new governor on my 2N and it idles good. It revs up good when not under a load, maybe too fast though - it goes to high rev with just a slight tap on the throttle lever. The governor does not seem to want to goose the throttle to make more power under a load. The spring seems too loose to me, is that the problem? I don't completely understand how the governor works and what that spring does. Does it assist with opening the throttle, or closing it, or what? Thanks guys.

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ZANE

04-18-2008 05:44:52

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Re: Somebody please explain it to me like I'm 5 in reply to OH Boy, 04-16-2008 18:23:53

I bet you have the rods connected to the wrong ball ends.

The rod from the throttle handle to the governor should be connected to the lever and ball end that has the big spring attached to it. The governor lever without the spring should have the rod from the caburetor connected to the governor.

Zane

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Bob Harvey

04-16-2008 19:11:16

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Re: Somebody please explain it to me like I'm 5 in reply to OH Boy, 04-16-2008 18:23:53

O.K. sweetheart, no, take your thumb out....I'm gonna call your mother !!, That's better, this is how this works..... ..... see below

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soundguy

04-16-2008 18:54:44

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Re: Somebody please explain it to me like I'm 5 in reply to OH Boy, 04-16-2008 18:23:53

The I&T FO-4 manual has a good half page paragraph with pics on how to adjust the governor. ( paragraph 57 in the copyright 2000 version ). In short.. the spring should have no preload or tennsion.. IE.. no slack.. but not under pressure.

Adjustemnets tot he spring can be made by bending the top ear on the spring.. etc..

get the manual.. it is cheap and has lots of good tips for do-it-yourself repairs.. plus pictures.

soundguy

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OH Boy

04-16-2008 19:25:55

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Re: Somebody please explain it to me like I'm 5 in reply to soundguy, 04-16-2008 18:54:44

Yeah I have the manual and have read the whole section about 6 times. It just was not clear to me how it works and what adjustment to make to it. I am gonna try tightening that spring up a little bit and see what happens. Thanks again.

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Bob

04-16-2008 18:54:39

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Re: Somebody please explain it to me like I'm 5 in reply to OH Boy, 04-16-2008 18:23:53

The spring tries to pull the carburetor butterfly wide open.

Centrifugal force acting on the governor weights tries to CLOSE the throttle butterfly.

The balance point between the two forces determines the speed at which the engine runs.

When the throttle lever pulls more on the spring, the spring tension will fight the force from the governor weights, and the engine speeds up proportionately, and the centrifugal force increases, until a balance point is again reached, at a higher engine RPM.

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OH Boy

04-16-2008 19:27:04

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Re: Somebody please explain it to me like I'm 5 in reply to Bob, 04-16-2008 18:54:39

Thank you! That is what I was trying to figure out.

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