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Super A sputters and dies under load.

Farmall Super A, AV, 100, 130, & 140 1939 - 1973
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havoc1482
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Super A sputters and dies under load.

Postby havoc1482 » Wed Nov 26, 2014 1:28 pm

So, I finally thought I had my Super A ready for the snow. I guess not, another winter, another headache.

The tractor runs and idles fine at any throttle setting. It runs beautifully for the first 20 minutes or so.

It was running fine in 3rd gear pushing snow around and after about 20 minutes it just sputtered, jerked and died.

I thought it was a fuel issue, as in its not pulling enough fuel, but it starts back up right away and will stay running, until I put it under load. I was able to push some more snow in 1st gear before taking it back into the garage for a while. I keep having to play with the choke to get it started, and then it blows black smoke out the top for a second and idles fine when I push the choke back in. I really cannot place my finger on it.


Its been doing this to me ever since I put the snowplow on a few weeks ago. I don't know if thats just a coincidence or what.

This is also the same tractor with the leaking TC pump. I need to change out the oil later and put some fresh oil in. Oil level is definitely above normal, oil came out flowing fast from the top petcock.
Mike
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Western Mass. (The 413)

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havoc1482
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Re: Super A sputters and dies under load.

Postby havoc1482 » Wed Nov 26, 2014 1:35 pm

I found a video from a previous post, it does EXACTLY this:

https://www.youtube.com/watch?v=gbNzxQjMrno
Mike
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Re: Super A sputters and dies under load.

Postby Bigdog » Wed Nov 26, 2014 1:57 pm

Dirt in the fuel tank.
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havoc1482
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Re: Super A sputters and dies under load.

Postby havoc1482 » Wed Nov 26, 2014 1:58 pm

I had just come to that conclusion myself Bigdog. What a headache, but at least its not terribly hard to fix.
Mike
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Re: Super A sputters and dies under load.

Postby John *.?-!.* cub owner » Wed Nov 26, 2014 2:27 pm

Bigdog wrote:Dirt in the fuel tank.
Don't overlook the vent being plugged in the gas cap/ If you have not already done it, go to [url]IHgascap.com[/url] and order your free one.
If you are not part of the solution,
you are part of the problem!!!

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havoc1482
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Re: Super A sputters and dies under load.

Postby havoc1482 » Wed Nov 26, 2014 2:28 pm

John I already have the Navistar cap. I also tried running it with the cap off, same problem.
Mike
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Re: Super A sputters and dies under load.

Postby Eugene » Wed Nov 26, 2014 6:23 pm

Ignition coil breaking down.
I have an excuse. CRS.

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Re: Super A sputters and dies under load.

Postby Don McCombs » Wed Nov 26, 2014 6:40 pm

My thoughts, too. Or perhaps condensor.
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havoc1482
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Re: Super A sputters and dies under load.

Postby havoc1482 » Wed Nov 26, 2014 6:55 pm

I cut the fuel line between the fuel filter (I have no bowl, fuel filter is obviously inline between carb and tank) and the tank. The flow made me think my tank had an enlarged prostate :wink: :lol:.


I drained the fuel and had a looksee into the tank and what I found was a stress relief actually. The hole was clogged up.

Image


So my question now is, how do I fix this issue? I plan on unscrewing whats left of the line from the tank and cleaning the hole, but how do I go about clearing the rust? As you can see its built up, especially against the front wall.

Also, I have no idea what that red crap is... any clues? This is the first time I've looked into this, literally.
Mike
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Re: Super A sputters and dies under load.

Postby staninlowerAL » Wed Nov 26, 2014 7:22 pm

I have similar fine particles in the tank on my LoBoy. Search the "How to" and look for the post about installing a filter inside the tank on the top side of a fuel shutoff valve. There are a couple of the posts, maybe more. These in-tank filters are designed for a gravity flow system and cost about $12. It won't eleminate the problem of deposits in the tank but it will keep it out of the delivery system. The other option is to clean the tank (or have it done at a radiator shop) and install a liner like POR 15.
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Re: Super A sputters and dies under load.

Postby Don McCombs » Wed Nov 26, 2014 7:23 pm

Remove the fuel line from the tank. Poke a wire or small screwdriver up through the hole to break up the clog. Spray down the area with carb cleaner until most of the dirt has gone down the outlet hole, catching everything in a container. Let the inside of the tank dry thoroughly. Fashion a handle out of a piece of stiff wire (I use a wire coat hanger) that will hold a folded up piece of paper towel. Dab the towel in chassis grease and use it to clean up the rest of the dirt. The dirt will stick to the grease, but any residue will be dissolved by the fresh gas that you put in. You may have to repeat this several times. Get yourself a proper sediment bowl and fuel line and install them.
Don McCombs
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Re: Super A sputters and dies under load.

Postby Jim Becker » Wed Nov 26, 2014 7:53 pm

I'd be pretty happy with a tank that had that little rust. Clean it up like Don said and let the sediment bowl take care or whatever you don't get.

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havoc1482
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Re: Super A sputters and dies under load.

Postby havoc1482 » Wed Nov 26, 2014 7:57 pm

Okay, I don't have a fuel bowl. I have a fuel filter inline. There is a 90* elbow that attached to the bottom of the tank that runs a rubber fuel line to a fuel filter, then to the carb. I didn't find any rust in the section of line I cut off of the tractor before the fuel bowl. It was all in the elbow attached to the tank. I got it from the PO like this.

Is a sediment bowl better than what I have now?

You can see it here in the background (filter is silver and shiny) I plan on pulling the slack in the line now that its unhooked

Image


Anywho, thanks guys for the help!!!
Mike
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I bleed Black & Gold

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Western Mass. (The 413)

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Re: Super A sputters and dies under load.

Postby Super A » Wed Nov 26, 2014 9:56 pm

I prefer a sediment bowl, just because it's original. I don't see why what you have won't work, but I would go ahead and change the fuel filter---make sure you get one that is ok for gravity fed systems.

Some would say your tractor should have burned to a crisp by now with that rubber line, but I don't see a problem other than I might take an inch or two out of it to make it a little neater.

Al
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Don McCombs
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Re: Super A sputters and dies under load.

Postby Don McCombs » Wed Nov 26, 2014 10:21 pm

havoc1482 wrote:Is a sediment bowl better than what I have now?

In my opinion, yes. The sediment bowl will clearly show you when you are getting debris in the fuel circuit. The opaque filter won't.
Don McCombs
MD, Deep Creek Lake

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