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Ford 9N, 2N & 8N Discussion Forum
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Gasoline everywhere

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Rich - UT

12-27-2003 23:38:39




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I tried to start my 8n this morning for a quick plow of the driveway before heading for work. She wouldn't start and after several tries, I hurried off. When I got back this afternoon, I smelled a strong odor of gas when I opened up the shed. Under the tractor was a 3 foot by 6 foot puddle of gasoline and gas was dripping from the carb in a rapid drip. I had forgot to shut off the fuel valve!!

Now my concern is: How much damage have I done to my engine if any? When I opened the drain plug on the bottom of the carb, about a quart of fuel drained out after I had shut off the fuel valve. Could fuel have gotten up into the cylinders or other places I need to worry about? I know there was some in the air intake because when I disconnected it from the carb, some gas spilled out.

As a precaution, I pulled all four plugs to let any gas evaporate out. I also took the carb off and used this opportunity to take it apart and clean it good.

Any other ideas on what I need or should do? I am quite concerned about this.

Also, shouldn't the float have controlled this a little better? I make it a habit to close the fuel supply valve when the tractor is not in use, but does this situation indicate a bigger problem inside the carb? I rebuilt it a year ago.

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CJ in Michigan

12-28-2003 08:58:13




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 Re: Gasoline everywhere in reply to Rich - UT, 12-27-2003 23:38:39  
I did the same thing recently only for a shorter time so the puddle was small-not so alarming!
Aside from the combustibility issues you've already dealt with,from what I've read on this forum you would have to worry about hydro locking the cylinders. Since you drained the carb etc., I think you are OK in that respect but you may want to do a archive search on the subject-
HTH



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Bob

12-28-2003 11:35:03




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 Re: Re: Gasoline everywhere in reply to CJ in Michigan, 12-28-2003 08:58:13  
He's going to crank the engine over with the spark plugs removed, so hydro lock will not be an issue.



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Bob

12-28-2003 00:09:04




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 Re: Gasoline everywhere in reply to Rich - UT, 12-27-2003 23:38:39  
Do you have a suitable fire extinguisher handy, just in case?

You probably had a piece of crud in the needle and seat. My biggest worry would be accidental fire, until all the gas has evaporated. I doubt if you got any gas in the oil, but that is an easy check, if you know where the oil level on the dipstick was before the gasoline incedent. Did the oil level come up any? As long as the spark plugs are out, once you're sure the gas around the tractor has evaporated, and the area has been well ventilated, and is free of fumes, crank the engine over being sure the ignition is OFF. This will blow out any remaining gasoline from the cylinders, and you should be fine. If you suspect oil dilution, change it. For any gas to get in the cylinders, the whole carb throat and intake manifold would have to be full, and, since you had so much under the tractor, it seems the drain in the choke area of the carb must be open.

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Rich - UT

12-28-2003 00:28:47




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 Re: Re: Gasoline everywhere in reply to Bob, 12-28-2003 00:09:04  
Bob, Thanks for the quick response. Yes, my biggest concern was fire also. I was extra cautious. First thing I did was to cover the spill area with clay cat litter which soaks up the gas pretty well. I kept the overhead shed door open for several hours to let it air out. Fire extinguisher is always close at hand.

The entire exterior of the carb was soaked with gas and made me think it was completely full of gas and leaking somewhere other than out the drain plug which was shut tight.

I will check the oil for any signs of gas and follow your suggestions for cranking the engine with the plugs out and ignition off in the morning. Thanks again!

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