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Can spark disappear?


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#1 wvbuzzmaster OFFLINE  

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Posted December 30, 2014 - 05:51 PM

I start some of my tractors regularly to prevent them from not running later. In the winter I try to up the schedule but it usually ends up being between 1-2 months between start ups. My 1967 Farmall 140 has always started minus the battery starting to go on it, which I keep a tender on. The last two days I have been unable to get it to start, and am starting to get frustrated. I finally ditched the dying gasoline for fresh but might already be flooded for today. Either way I have not had a single offer in two days. They say : fuel, air, spark, compression. Should run since last it ran it had all of this, but something left... Thinking spark...
The last couple times it was slightly harder to start, but I attributed this to the dying gasoline. But I can not see spark jumping from wire to plug... I filed the rotor and points lightly. The points are sparking when cranking. I swapped the cap and rotor with good ones do to the contacts on the rotor looking worn down, but still no offers. I have a tune up kit (points and condenser) and considering switching those out... Am I crazy to consider that the points are shot? I just don't understand... Can spark just disappear like that??



#2 wvbuzzmaster OFFLINE  

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Posted December 30, 2014 - 05:52 PM

Ok, need a moderator to move this somewhere in general forum or something. Thought I was in under the farm tractors or something.
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#3 drbish ONLINE  

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Posted December 30, 2014 - 05:54 PM

no need to sale your tractor,At least get it running first you could get more out of it.

I think you accidenetly put this in the wrong place


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#4 wvbuzzmaster OFFLINE  

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Posted December 30, 2014 - 05:56 PM

no need to sale your tractor,At least get it running first you could get more out of it.
I think you accidenetly put this in the wrong place

Ya, I wasn't looking where I was going again lol.

#5 MH81 ONLINE  

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Posted December 30, 2014 - 06:04 PM

Man Casey, your luck has got to change. LOL
2014 was the year of the horse... Here is hoping the year of the wood sheep is better for you :D
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#6 Sparky OFFLINE  

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Posted December 30, 2014 - 06:09 PM

Spark on low voltage side of coil , none on high voltage side of coil . Parked during fall during high temp fluctuations daytime in fall .

 

Try another coil Casey .



#7 DH1 OFFLINE  

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Posted December 30, 2014 - 06:10 PM

Pull a plug and check for spark at the plug.

 

Hope you get it resolved soon.


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#8 DougT ONLINE  

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Posted December 30, 2014 - 06:28 PM

Man Casey, your luck has got to change. LOL
Here is hoping the year of the  sheep is better for you :D

I don't think I better comment on that one!!  :D

 

Casey, I agree with Sparky. Check the spark at the coil wire before it goes into the cap. Use a test light on the primary wires at the coil. One side should be hot with the switch on, the other side should flash when cranking. If it does, replace the coil. If not, go back to the points.


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#9 propane1 ONLINE  

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Posted December 30, 2014 - 06:37 PM

Plugs... Happened to me once. Tractor , 51 ferguson, would not start, kick a little, but no start. Two days I worked on it. Put old spark plugs out of my Kohlers and it fired right up. So I put correct new plugs in and has been working good since. Drove my self crazy trying to figure it out and the tractor had been working fine until then. Same thing happened to the John Deere 140 last week, but I put a new plug in right away and it's working good. Didn't waste two day trying to figure it out. Noel
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#10 UncleWillie OFFLINE  

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Posted December 30, 2014 - 06:44 PM

Wow talk about your bad aim. How did you wind up here?

 

 

Have you checked the plug wire for cracks?


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#11 LilysDad ONLINE  

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Posted December 30, 2014 - 06:48 PM

Man Casey, your luck has got to change. LOL
2014 was the year of the horse... Here is hoping the year of the wood sheep is better for you :D


What is the difference between a wood sheep and a praire sheep?

#12 MH81 ONLINE  

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Posted December 30, 2014 - 06:49 PM

I don't know... Ask the guy who makes the Chinese calendars...
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#13 Gtractor ONLINE  

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Posted December 30, 2014 - 07:08 PM

Once you clean the plugs it should fire right up now that you have fresh winter blend gasoline in the tank.  You likely fouled the plugs with summer blend gas before they had a chance to fire.


Edited by Gtractor, December 30, 2014 - 07:23 PM.

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#14 KC9KAS OFFLINE  

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Posted December 30, 2014 - 07:12 PM

I have a 14 hp K series Kohler. I had spark at the plug when it was out of the head, but wouldn't start.

I replaced the plug with a new one and it fired right up.

I thought if a plug had spark it was good, but I guess not!!

 

Get a new plug!


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#15 wvbuzzmaster OFFLINE  

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Posted December 30, 2014 - 07:13 PM

Once you clean the plugs it should fire right up now that you have fresh winter blend gasoline in the tank.  Yoy likely fouled the plugs with summer blend gas before they had a chance to fire.


Still summer blend gasoline, but not 6-8 months old like what I drained out.




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