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Farmall & IHC Tractors Discussion Forum
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First start on a fresh rebuild for 560?

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Farmall Daddy

03-14-2005 12:09:23




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This past weekend we attempted to start my 560 for the first time since I rebuilt the engine. The engine did run for about ten minutes, but then died. The engine runs better when the choke is fully on, which I think is totally backwards that the way it should be. The problem that I am having now is when I try to pull start it, it blows raw gas out the exhaust with the choke off. Is there something that I have forgot to do before I try starting the engine. We set the valves, and the timing when it was running, so it should fire off theoretically. I also put a 40,000 volt coil on it thinking the old coil might not ignite it. If anybody has had this problem before, any input would be appreciated!
Thanks!!

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captaink

03-15-2005 13:56:17




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 Re: First start on a fresh rebuild for 560? in reply to Farmall Daddy, 03-14-2005 12:09:23  
I have to agree with Bob, possibly the needle and seat were sticking.

If you haven't done so, take out the spark plugs to allow the gasoline in the cylinders to evaporate, and get new plugs to install as the old ones may be fouled from all the gas in the cylinders.

Now, take the carburetor apart and check it over, float, needle and seat etc. to find out why you are getting too much fuel in the engine. Then after a couple days, put the new spark plugs in and try it again and see what happens.

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Bob M

03-14-2005 13:30:28




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 Re: First start on a fresh rebuild for 560? in reply to Farmall Daddy, 03-14-2005 12:09:23  
Your carburetor messed up! First it was gave you a lean mixture which is why it needed choking to keep the engine running. Now it's gone the other way and is feeding too much gas (flooding), hence raw gas out the exhaust and no fire.

You'll need to go into the carb to find what's wrong. Look a problem in the float bowl - like the float rubbing on the side of the bowl, a sticky float needle valve, trash caught in the needle valve, possibly a sunk float, etc.

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