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Any Suggestions

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AlanH

08-16-1999 07:05:57




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I have very little problems with my 8N so I don't post very often. I use my tractor mostly for cutting 10 acres and so far in last year and half no problems. This weekend while cutting the grass, I had been at it for three hours, all of a sudden the tractor stalled. While still 6 volts, it has alway start on the second or third spin. This time it never started. I checked the points, it had spark. I pulled the line to the carb. gas was flowing with no problem. I ALWAYS THOUGHT SPARK PLUS GAS EQUAL "START"!!! Well, I must be wrong in my thinking.
I connect the ATV up and tried pull starting the tractor. Well, the ATV is low on power only about 19 HP. and trying to pull a tractor with a hog attached was a bit much. However it did get it moving, will I popped the cluch, and broke the tow rope and it didn't start. But I hit the starter again, and it started right up???? Any suggestions and to why this happened. I was thinking maybe trash in the jet and the popping of the cluch my have sucked the trash out of the jet??? But It starts right up now. This will puzzle me for a while. Any others every had this happen, do you know why.

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John (NL)

08-18-1999 05:17:24




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 Re: Any Suggestions in reply to AlanH, 08-16-1999 07:05:57  
A few months ago there was a discussion about how worn coils sometimes can keep running when they get hot, but may not have enough power to re-start after a stall. Did you fool around with the ATV long enough for the 8N to cool down?

Same thing happened to me on one of the very few hot days we get here in Holland. I waited an hour or so and she started right up. Never had the problem since.

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Jerry (Al)

08-18-1999 07:12:26




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 Re: Re: Any Suggestions in reply to John (NL), 08-18-1999 05:17:24  
I had a hard to crank problem when I would run for a while then shutoff and try to restart. It would always restart after 45 minuts to an hout fine. Points and plugs cured all my problems.



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AlanH

08-18-1999 05:33:48




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 Re: Re: Any Suggestions in reply to John (NL), 08-18-1999 05:17:24  
John, I went and ate lunch, had a couple of cold ones, then went back out and tried to start the tractor. It wouldn't, then I hooked the ATV and gave it that little pull. Maybe popping the cluch caused the trash or whatever to move and I was able to start the tractor after that, and start it again, and start it again. I had to test it!
Thanks for your suggestion.



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Nolan

08-17-1999 04:51:01




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 Re: Any Suggestions in reply to AlanH, 08-16-1999 07:05:57  
You're right in your thinking that 'SPARK PLUS GAS EQUAL "START"', but you're incomplete. A better wording would be "adequate spark, properly timed, plus a balanced fuel mixture into the cylinder, with adequate compression equalls start. Which leaves one wondering if fuel was actually getting up into the cylinders (trash blockage as you suggested), and if the spark was good (partial or intermittent short as other suggested).

Pulling a line off the carburetor only verifies that fuel is getting to the carburetor. Not that fuel is getting into the carburetor, or going through it.

A remarkably effective "trick" for clearing trash from a carburetor is to get it running, rev it up and then cover the carburetor intake with your hand. Making a super choke as it were. This does a dandy job of sucking all sorts of gunk right on through the jets. Remove your hand before the engine completely dies, so that it can cough and splutter, and keep running. It's a pain to start an engine that's been shut down this way otherwise. Works wonders on VW beetles and lawmowers.

As I agree with Dell about gremlins.

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AlanH

08-18-1999 05:27:54




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 Re: Re: Any Suggestions in reply to Nolan, 08-17-1999 04:51:01  
Thanks Nolan, I'll try that.



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Terry (WA)

08-16-1999 09:14:52




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 Re: Any Suggestions in reply to AlanH, 08-16-1999 07:05:57  
I had a "refuse to run" misbehavior problem with my 8N this summer, sputtered and stuttered for a while and then flipped off. Finally tracked it down to the stud that goes through the distributor housing, it was intermittently shorting against the distributor housing on the inside. Sometimes had spark at the points, sometimes didn't.

Took me five days, and many "cool ones" to find this but then you have to understand, my mechanicing skill would fit on the head of a pin and leave a vase expanse of open space remaining.

Another fellow posted here a week or so ago about a shorted or broken wire at the starter switch.

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AlanH

08-16-1999 10:36:40




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 Re: Re: Any Suggestions in reply to Terry (WA), 08-16-1999 09:14:52  
Terry,
I was looking at that wire when I checked for spark. The wire looks fraied, I'm going to replace this shortly. Thanks for your suggestion.



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Jerry Kirkpatrick (TN)

08-16-1999 08:01:13




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 Re: Any Suggestions in reply to AlanH, 08-16-1999 07:05:57  
Alan--

I have had a similar experience a couple of times. Turned out to be a stuck float in the carb. Two or three light taps with a hammer and it started right up.

--JK (TN)



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AlanH

08-16-1999 08:24:54




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 Re: Re: Any Suggestions in reply to Jerry Kirkpatrick (TN), 08-16-1999 08:01:13  
Thanks Jerry, I thought that too, but I tried tapping with small hammer, still didn't start?
Thanks for your suggestion.



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Dell (WA)

08-16-1999 07:56:24




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 Re: Any Suggestions in reply to AlanH, 08-16-1999 07:05:57  
Alan..... .In Ireland, the're called "Leperchauns", in Hawaii, the're called "Menehunies", In the Black Forest the're called "Elves" Beats the heck out of me why your 8N would "stop" suddenly, altho it just might have been time for a "cool one". (grin)

On the re-start, sounds like the starter bendix might not have been "engaging" the flywheel ring gear and when you "popped" the clutch while trying to tow start, the flywheel might have moved enuff to provide a better tooth mesh. I would suggest that you might want to "clean" the bendix drive as this needs to be "oil free" or it will slowdown just enuff to prevent the gears from meshing before the starter motor starts spinning too fast for engagement. Often times, these engines "stop" in the same place, and eventually the ring gear wears at that place and the starter drive gets difficult to engage.

Hope this gives you somewhere to "look"..... .Dell

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AlanH

08-16-1999 08:29:55




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 Re: Re: Any Suggestions in reply to Dell (WA), 08-16-1999 07:56:24  
Hi Dell, out here in the woods, their called Gremlins! And it was time for a cold one. But the restart was the puzzler. I will look at the starter any oil build-up, Thanks,

This may never happen again, but if it does, I guess I will do as before and see if it starts again that way.

Thanks again, for your suggestion.



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