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1929 JD "D" Advice Needed for Easier Starting


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Old 06-23-2018, 10:54:15 PM
bmklawt bmklawt is offline
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Default 1929 JD "D" Advice Needed for Easier Starting

I have a 1929 John Deere D that is a bear to start, it is freshly rebuilt with a NOS cylinder block and cylinder head, new rings, rebuilt Splitdorf 246T magneto by Marks Magnetos, rebuilt DLTX 3 carb with new needle and seat and the float is adjusted so fuel is 5/8" from top of bowl, NOS Champion 31 spark plugs gapped to .020" and new copper core spark plug wires.
When the "L.H. RET SPK" mark on the flywheel is in line with the mark on case cover I get a spark on the LH spark plug, I got it started once but can't get it to start again, here's what I'm doing, choke on until I get it to fire at least once or until I've been spinning the flywheel for a few minutes, Load and Idle needle turned out 1-1/2 turns, throttle and advance/retard levers straight up, impulse lever down, then spin the flywheel until my back hurts and put none a little or a lot of gas in the primer cups.
I have not checked the cam timing but assume it is right because it ran once. I've read to adjust spark to about 1" of piston travel past TDC and gap the plugs to .030" haven't tried that yet oh and when I'm turning the flywheel I just ease it over TDC I'm not trying to fling it over TDC.
Any advice I could get for an easier start would be awesome.

Here is a video of it running and idling as low as I can get it on the one time it did start. https://youtu.be/GPmQeJXyuRE
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Old 06-23-2018, 11:50:21 PM
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Craig A Craig A is offline
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Default Re: 1929 JD "D" Advice Needed for Easier Starting

Open the primers and turn the flywheel until you hear no hissing.
Prime it...….prime prime prime and prime.
It's nearly impossible to flood them when starting.
You're going to kill yourself using the choke as a primer...….
Rock the flywheel back a forth a couple times before you go for the start.
If necessary you can fiddle with the choke after it fires.
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Old 06-24-2018, 08:53:52 AM
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Default Re: 1929 JD "D" Advice Needed for Easier Starting

One old-time technique is to turn the flywheel over like Craig said, until the hissing stops, fill the priming cup, then quickly yank the flywheel backwards a few degrees. This will suck the gas in & somewhat vaporize it. Then quickly snap the flywheel over TDC. If the stars are aligned, she will pop & go... You can do this technique with #2 cyl., but you almost have to have a helper, you'll run yourself to death...
My G, for some reason, likes to start on #2, lots of times it won't catch on #1, but just roll it another half turn, & it will fire on 2. They all have their own personality, you just have to find it by trial & error.
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Old 06-24-2018, 03:56:29 PM
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Talking Re: 1929 JD "D" Advice Needed for Easier Starting

I just remembered a story about an old D a friend had.
He paid me to go down to his place to time and mount the magneto.
I did, primed it and hand started it like shot........apparently he wasn't watching what I was doing.
Anyway, shortly thereafter, I went to an engine/tractor show in his neighborhood.
He spotted me and asked how the hell I started that D.......
I went over to the D, asked for the primer gas can and proceeded to do as I said above.
As I was priming he asked "How much gas are you going to put IN there?"
I said "5 gallons"........
It started on the first compression.......
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Old 06-24-2018, 05:19:20 PM
OldThresherM OldThresherM is offline
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Default Re: 1929 JD "D" Advice Needed for Easier Starting

I'm about to attempt the first start of my '29 D.....with the correct DLTX-3 carb that is.This post couldn't have came at a better time.Thanks guys!

In the video,it sounds like it might be a little lean.Anyone else think so?When you get it started,i would work on the adjustments a little.Perhaps richening the mixture a bit would help all around.
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Old 06-25-2018, 09:13:10 AM
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Default Re: 1929 JD "D" Advice Needed for Easier Starting

It sounds like a D to me...D's don't idle real smooth, ever, especially early ones like that. A hiccup or an "elephant fart" every once in a while is just part of the D experience to me.
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Old 06-25-2018, 01:35:29 PM
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Default Re: 1929 JD "D" Advice Needed for Easier Starting

Ron is 100% right.
You can time them late to idle nicely or time them to work properly.
I never found an in-between because I don't think there is one short of a magneto with an adjustable timer on the magneto.
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Old 06-25-2018, 01:58:39 PM
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Default Re: 1929 JD "D" Advice Needed for Easier Starting

The hand crank D and AR here are the worst starting pigs on the place! When we used them a lot here back in the day, we never shut them down unless we were finished for the day! We had a late D with electric start, that thing always started first turn of the engine, Never figured out why the others were so stubborn, you could waste an hour trying sometimes. Most times I'd start the one and pull start the others in order to get along with the day's work.
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Old 06-25-2018, 03:50:39 PM
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Default Re: 1929 JD "D" Advice Needed for Easier Starting

Quote:
Originally Posted by Craig A View Post
Ron is 100% right.
You can time them late to idle nicely or time them to work properly.
I never found an in-between because I don't think there is one short of a magneto with an adjustable timer on the magneto.
My ol "27 D will kick back on me now and then, but its timed very close and the kickback is only once in a great while. My timing gears aren't the best in the west.
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Old 06-25-2018, 04:33:26 PM
Mitch Malcolm Mitch Malcolm is offline
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Default Re: 1929 JD "D" Advice Needed for Easier Starting

prime them with a ketchup bottle full of gas 1/4 cup per hole
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