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1929 John Deere D throttle setup


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  #1  
Old 07-21-2006, 03:23:24 PM
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Default 1929 John Deere D throttle setup

If anyone out there has a picture they could post of the throttle linkage from the governor to the carb, could they please post it.

I am having trouble figuring out how it was exactly supposed to go.

I have it hooked up, but not sure how right i am


Thanks

Mike
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Old 07-21-2006, 10:30:42 PM
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Default Re: 1929 John Deere D throttle setup

If possible, post some pix of the hook-up you have now, someone should be able to tell you if you've got it right, or what to change.
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Old 07-23-2006, 12:02:33 PM
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Default Re: 1929 John Deere D throttle setup pictures

Here are some pictures of what i have, my camera isnt very good but i took some

i need to find the correct length spring also
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Old 07-23-2006, 02:25:08 PM
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Default Re: 1929 John Deere D throttle setup

From what I can see it looks like it's hooked up right. Start 'er up and you'll soon know. It'll either run right, run away, or not run at all. Keep some way to short the ignition out handy in case it's the second result. I don't know what you need for a spring. JD partsmen probably know.
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Old 07-23-2006, 03:45:04 PM
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Default Re: 1929 John Deere D throttle setup

ive had the tractor running, but doesnt seem the same as the other D we have, would there be a difference between a 1929 and a 1936?

i should check the timing too i guess, i just lined up old marks that were punched in and hoped for the best
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Old 07-23-2006, 05:43:11 PM
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Default Re: 1929 John Deere D throttle setup

The 1929 and 1936 engines are entirely different beasts. I have a 1928 and a 1937 and they don't sound anything alike. The 1937 is smooth and the 1928 is not as even. I attribute it to differences in carburetion. I have played with the timing on the 1928 but there's just no making up for 9 years of technology.

I, too, believe your throttle linkage is set up correctly. Are you getting any governor action?

Eric.
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Old 07-23-2006, 05:46:42 PM
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Default Re: 1929 John Deere D throttle setup

the governor is working, there doesnt seem to be a whole lot of difference when i pull the throttle either way. I just got the service book and am going to go thru the timing and play with carb settings. There were new valves put in so they may be out of adjustment too.
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Old 07-23-2006, 05:48:25 PM
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Default Re: 1929 John Deere D throttle setup

where the fork goes to the throttle rod there is just a small square washer that applies pressure on the springs, is that the way it should be?
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Old 07-23-2006, 10:14:52 PM
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Default Re: 1929 John Deere D throttle setup

There should be a series of drilled holes in the throttle rod to adjust the spring tension. Too tight.......it won't govern........too LOOSE it won't govern. It doesn't require a lot of spring tension to make the governor govern. I had a '27 that almost drove me nuts that way. I figured MORE was better.........and I was wrong........
When the throttle is wide open and the carb butterfly is wide open the length of the rod should be adjusted 1/2 a hole short...........(I'm pretty sure.......... )

Here's a pic.............courtesy of Randy P E D E R S E N....
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Old 07-24-2006, 12:04:59 AM
Randy L Peterson Randy L Peterson is offline
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Default Re: 1929 John Deere D throttle setup

My Dads 1929 D Has a fairly Responsive Gov... It idles down around 400 RPM or less and when You crack it to Full throttle its up to 800 RPM in about 3 pops....BUT I have never played with a newer one so I am not real sure how the governors work on them all I know is they run another 100 rpms faster or so wide open... Good luck looks like a nice project All A D requires to Run nice is a Gas truck to feed it when you work it LOL...
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Old 07-24-2006, 09:12:53 AM
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Default Re: 1929 John Deere D throttle setup

by the looks of your picture, i may have something set up wrong


the fork which is near the governor side is kinda throwing me off


it should push against the spring right?


Thanks to all for your help

Hopefully she will run right shortly
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Old 07-24-2006, 02:29:45 PM
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Default Re: 1929 John Deere D throttle setup

Yes Mike......the fork pushes against a washer on the throttle rod. The external spring counteracts the internal forces created by the governor weights.
It might drive you but you'll get there...........
Craig
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Old 07-24-2006, 07:26:40 PM
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Default Re: 1929 John Deere D throttle setup

And Craig knows allllll about going nuts
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Old 07-26-2006, 03:44:41 PM
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Default Re: 1929 John Deere D throttle setup

Quote:
Originally Posted by MoRo
And Craig knows allllll about going nuts
YES I DO!!!!!!!!!!....................
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Old 07-26-2006, 04:54:15 PM
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Default Re: 1929 John Deere D throttle setup

Well the 28 - 29 Governors do work after a fashion... Problem is when you compress that spring to speed it up the spring wants to buckle up and create friction with the governor rod. So it must be Clean and well lubed to work well. It's been a LONG time since I had my 28 D.... I also had a 36 and Man what an improvement...

You could have an internal problem.... Like the weights falling off due to worn cotter keys or pins. I bought a G one time that had burnt.... The heat had melted one governor weight partly off..... That baby wound Right up till I investigated and fixed the problem....
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