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Farmall & IHC Tractors Discussion Forum
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SUPER a NEEDS FULL CHOKLE

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Mike Root

09-26-2003 17:58:51




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I recently got a 54 Super A from my father in law. I bought it from his deceased brothers estate. It starts and runs fine on full choke, It will die if you move the choke lever. I have replaced plugs and points, It's a twelve volt system. I've boiled out the carb and the floats are high enough. There is no filter in the carb elbow but fuel pours out of the fuel line when it's disconnected. There are also no vacumn leaks.

I'm replacing the coil this weekend as I've never checked the spark with the engine running. The voltage at the battery is 14+ volts when it's running. Timing and point gap are spot on.

Any suggestions?

Mike

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CNKS

09-26-2003 18:26:39




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 Re: SUPER a NEEDS FULL CHOKLE in reply to Mike Root, 09-26-2003 17:58:51  
Don't know what you mean by boiling out the carb. Get some carb cleaner, disassemble the carb, and soak the carb and all parts in it, maybe even overnight. Blow out all passages with compressed air. Put a new kit in the carb and reassemble. Make sure the float is set correctly, too low and you don't get enough gas. If I remember right, the filter is in the carb inlet, actually inside the carb, not in the elbow. Don't think your problem is electrical.

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Andy Martin

09-26-2003 18:25:15




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 Re: SUPER a NEEDS FULL CHOKLE in reply to Mike Root, 09-26-2003 17:58:51  
Drain a half gallon or so through the carburetor to make sure it doesn't slow to a trickle after a little while. A partially plugged fuel line, maybe in the tank, will fill up the fuel line while you are disconnecting it so if you don't let it drain for an extended period you may not find the blockage.

Try blowing backward into the fuel line to clear the tank inlet. Sometimes this helps for a little while. I have found doughnuts of fiber floating in the tank and occasionally finding the fuel outlet and plugging it. I blame them on previous owners checking fuel level with a stick and leaving a little fiber in the tank.

Also, sometimes the gasket in the shutoff on the bowl gets out of place and mostly plugs the fuel flow.

And this summer my hay hand was embarrassed when he limped home on the choke, told me he couldn't find the problem. I looked at the fuel bowl and saw an interface line at the top: it was FULL of water. He had to use the choke to get enough fuel past the water. So if you haven't cleaned the fuel bowl, do that anyway.

The only other problwm I can think of right now is a float dragging on the side of the carburetor housing.

I have never had an electrical problem that the chokle would help.

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