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CA Starting Problem
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CA Ron View Drop Down
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Joined: 10 Oct 2017
Location: Wisconsin
Points: 7 		Post Options Post Options   Thanks (0) Thanks(0)   Quote CA Ron Quote  Post ReplyReply Direct Link To This Post Topic: CA Starting Problem
    Posted: 10 Oct 2017 at 8:45pm
I have CA Allis with a 149 cu. in. motor that came out of a combine. Same as D14 or D-15. The only way it will start is to pull the throttle all the way down past idle and then it will fire. Once it starts it runs great. I've been fighting this starting problem for a while. The carb is a Marvel-Schebler TSX-670 which I've soaked in carb cleaner for a day then put a rebuilt kit in it. No luck. Then I thought I might have a magneto problem as it had somewhat of a weak spark. Installed a rebuilt mag, plugs, new wires with no luck. Did a compression check and all cylinders were at 140 pounds. Now I'm back thinking something has to be wrong with that carb. I check the carb adjustments and noticed that if I screw the idle adjustment all the way in the tractor idles rough but does not shut off. Any ideas on what's going on with this tractor. Thanks, Ron
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Gary Burnett View Drop Down
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Joined: 11 Sep 2009
Location: Virginia
Points: 3019 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Gary Burnett Quote  Post ReplyReply Direct Link To This Post Posted: 10 Oct 2017 at 9:25pm
Sounds like the choke might not be working.What combine did the motor come out of?
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CA Ron View Drop Down
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Joined: 10 Oct 2017
Location: Wisconsin
Points: 7 		Post Options Post Options   Thanks (0) Thanks(0)   Quote CA Ron Quote  Post ReplyReply Direct Link To This Post Posted: 10 Oct 2017 at 9:34pm
Not sure. Bought a model C tractor at an auction with this motor in it. The story at the auction was the motor came out of a combine as I could tell it was a 149 cu. in. I just wanted the motor out of the C to put in my CA. The choke works fine. I'm going to take the carb a part again as there has to be something inside there fighting me.
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pinball View Drop Down
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Joined: 28 May 2014
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Points: 6282 		Post Options Post Options   Thanks (0) Thanks(0)   Quote pinball Quote  Post ReplyReply Direct Link To This Post Posted: 10 Oct 2017 at 10:14pm
I am sort of confused. From what your saying your tractor starts fine but you throttle linkage goes below the first rung. Adjust it and I think you would have a great starting tractor. Anyone that owns a tractor and can put there throttle ling all the way down and a tractor would start and run approx. 600 rpm would be very happy. Unless I'm missing something it sounds like you did a very good job rebuilding your carb. just my 3 cents worth.
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CA Ron View Drop Down
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Joined: 10 Oct 2017
Location: Wisconsin
Points: 7 		Post Options Post Options   Thanks (0) Thanks(0)   Quote CA Ron Quote  Post ReplyReply Direct Link To This Post Posted: 10 Oct 2017 at 10:24pm
The tractor runs fine. It just won't start unless I pull the throttle down to idle as far as it goes.
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Ted J View Drop Down
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Joined: 05 Jul 2010
Location: La Crosse, WI
Points: 18923 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Ted J Quote  Post ReplyReply Direct Link To This Post Posted: 11 Oct 2017 at 6:40am
When you pull it down PAST the lowest peg, get it started, then what do you do?
I assume that you are putting it back up into one of the notches?  Is it idling then in the lowest notch?  If so, then you need to adjust the rod that goes through the lever.

If the above is true, then it is getting too much gas with the throttle handle moved forward. As stated, you need to adjust the throttle  rod.


Edited by Ted J - 11 Oct 2017 at 6:42am
"Allis-Express"
19?? WC / 1941 C / 1952 CA / 1956 WD45 / 1957 WD45 / 1958 D-17
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