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Ford 9N, 2N & 8N Discussion Forum
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BOB / DELL or anybody else that knows

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ron francis tro

06-03-2006 07:36:26




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The day before yesterday I left the throttle lever half down. When I went to fire it up I noticed the carb dripping fuel. Is that normal? Or is there a carb overhaul in my near future. It seemed to run alright after I adjusted the lever and turned off the fuel supply for a few minutes to allow the carb to dry out a bit..... ..... .




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Bruc

06-03-2006 14:50:50




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 Re: BOB / DELL or anybody else that knows in reply to ron francis troncatty, 06-03-2006 07:36:26  
You could add a fuel shut off solenoid, energized by the key to open and normally shut...



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bruc

06-03-2006 14:52:06




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 Re: BOB / DELL or anybody else that knows in reply to Bruc, 06-03-2006 14:50:50  
Link



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Jerry/MT

06-03-2006 11:40:13




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 Re: BOB / DELL or anybody else that knows in reply to ron francis troncatty, 06-03-2006 07:36:26  
The throttle lever position won't affect the carb when the engine is shut down. (It's a good idea to return it to idle so that when you start up you don't get a sudden rev up in engine speed before you have much oil pressure.)You may have a hung float or bad float valve in the carb that's causing it too drip. Float setting is critical on these carbs to prevent this problem but most folks just turn off the tank valve to preclude the problem.

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OH Boy

06-03-2006 09:26:03




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 Re: BOB / DELL or anybody else that knows in reply to ron francis troncatty, 06-03-2006 07:36:26  
I agree with 8Nr it is important to turn off the fuel supply when you shut down, otherwise, if you have a leaky float valve, you will have fuel running out up and out of the carb and ,potentially, into the cylinders. Then, when you go to start it next time, 1) your engine will be flooded, and 2) you could have a 'hydraulic lock' in a cylinder and that can cause real damage such as a bent connecting rod.

If your tractor runs ok then there is probably nothing seriously wrong and it will be just fine. Just don't leave the tractor with the fuel supply on.

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guess who?

06-03-2006 20:33:35




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 Re: BOB / DELL or anybody else that knows in reply to OH Boy, 06-03-2006 09:26:03  
OH boy, how can gas go up hill from carb to cylinders? On all Fords I"v seen ( V-8 and 6 cyl conversions excepted) have up draft carbs.



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Bob

06-03-2006 22:31:42




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 Re: BOB / DELL or anybody else that knows in reply to guess who?, 06-03-2006 20:33:35  
Guess...

The gasoline tank and the air cleaner air intake are WELL above the cylinders.

Therefore, if there is enough gas in the tank, and the carb "runs over", and the sintered bronze carburetor air horn drain is clogged up with years of varnish and gunk, the level of gasoline in the carburetor and intake manifold will eventually rise to the point any cylinders with open intake valves will be filled with gasoline.

The gas does not have to defy any rules of gravity and physics, as long as the supply tank is above the engine!

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8N'r

06-03-2006 08:06:20




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 Re: BOB / DELL or anybody else that knows in reply to ron francis troncatty, 06-03-2006 07:36:26  
Ron---you said---

"The day before yesterday I left the throttle lever half down"----did you remember to turn off the gas supply as well? You need to turn the fuel valve at the sediment bowl off each day when you are finished using your tractor--you could end up with gas in your crankcase for starters--Tim



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ron francis troncatty

06-04-2006 10:03:07




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 Re: BOB / DELL or anybody else that knows in reply to 8N'r, 06-03-2006 08:06:20  
never turned off the gas supply in my life if I wasn't working on something..... ....guess I better change my ways..... ..... .thanx guys....



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