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8N fouls points

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Gary S

11-18-2000 09:50:53




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Good morning folks!
Stumbled across your forum and was interested in seeing if anyone has also experienced repeated fouling of points in an 8N side-mount distributor.I bought the tractor four years ago and put a new distributor and coil on it then, but it still fouls points after about 10-40 hours. I clean them with #400 sandpaper and they're good for another 10 hours, and usually end up replacing them every few months (run the tractor about 20 minutes a day dragging a horse arena). Plugs and points are gapped to factory specs,rotor and cap have been replaced x2 in four years. Timing is properly set, but don't have a dwell meter for 6v. Saw Mike S.'s post about a Sears unit... I'll call them. Any other suggestions? Thank you kindly...

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Dave

11-18-2000 21:02:38




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 Re: 8N fouls points in reply to Gary S, 11-18-2000 09:50:53  
What I would check is to see that the voltage regulator is working properly,if its not it will cause an excessive voltage to points which in turn will exceed the condenser capacity. This will cause the points to burn or wear out prematurely. Good Luck



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STUMP PULLER

11-18-2000 16:01:56




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 Re: 8N fouls points in reply to Gary S, 11-18-2000 09:50:53  
ARE YOU KICKING UP ALOT OF DUST WITH THAT DRAGGING. I HAVE NOTICED MY N POINTS WILL GET INTERMITTENT WHEN I USE A LANDSCAPE RAKE IN DUSTY AREAS, LIKE BURN PILES. THE DIST IS NOT SEALED GOOD AND CAN COLLECT ALOT OF DUST. THERE IS A SEAL AVAILABLE. GOOD LUCK.



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Gary S

11-18-2000 18:30:45




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 Re: Re: 8N fouls points in reply to STUMP PULLER, 11-18-2000 16:01:56  
All your replies are very much appreciated. In terms of the dust, it's pretty mild., but I'll ask the New Holland parts guys about a seal.



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Claus

11-18-2000 10:19:23




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 Re: 8N fouls points in reply to Gary S, 11-18-2000 09:50:53  
third party image

Several things can cause your problem.

1. Contamination on the points. When you lubricate the cam, do not get any lube on the points. Do not touch the point surfaces of the points with your fingers.
2. Exessive current through the coil. This happens when one buys an aftermarket general replacement coils that are intended to operate with a ballast resistor.
3. Point surfaces that are not perpendicular to each other, reducing the contact area.

Cleaning/Filing points should only be done in an emergency to get you going. Very few individuals have the knowledge of how to burnish the contact area properly maintaining a ultra smooth surface and perpendicularity.
Happy Motoring
Claus

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stack

11-18-2000 10:46:15




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 Re: Re: 8N fouls points in reply to Claus, 11-18-2000 10:19:23  
Another possibility is a condenser that has failed or drifted out of spec. if by fouled you mean burned. Next time you replace the points, throw a new condenser in there too. Then if that solves the problem, DON'T CHANGE IT AGAIN until it gives evidence of failure. You are more likely to get one out of spec new than to have an old one go bad (my opinion).
good luck
stack



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Gary S (CA)

11-18-2000 11:06:14




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 Re: Re: Re: 8N fouls points in reply to stack, 11-18-2000 10:46:15  
Thanks for the tips. The condenser has been changed twice, didn't seem to matter. I never touch the points with oil or fingers. The perpendicularity of the surfaces may be the issue. The points in the New Holland tuneup kits, thinking about them, often don't look very well aligned. Is there a better source than New Holland, or should I just tweak them to look the best to the ol' eyeballs (with bifocals)?

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