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74? Case 220 issues, HELP!


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#1 Slaminbrews OFFLINE  

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Posted November 20, 2015 - 06:49 PM

I have a 74? Case 220 with the k301 In it. Came out to get everything out on it for winter and it wouldn't start. The points didn't look so good so I got new points and condenser and it still won't fire. I have spark but only when I let off the key? The way I set the points was got it at TDC and set them at .020 and still won't fire. It's getting fresh fuel and I cleaned the float bowl. The plug is gapped at .025 the valves are not sticking. Did I set points right? Any idea why I only have spark when I let the key off? (Quit cranking it over) any ideas would be appreciated! Thanks!

#2 boyscout862 ONLINE  

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Posted November 20, 2015 - 07:03 PM

I check the cam high point with a dial indicator and then set the points. See if that works. The only time I saw the ignition working as the key is relieved from the starter was an engine that had a resistor in the ignition circuit. Suspect the key switch. You can download the engine manual from our Manuals Section. It has a Troubleshooting Guide that is pretty good. Good Luck, Rick


Edited by boyscout862, November 20, 2015 - 07:03 PM.


#3 Slaminbrews OFFLINE  

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Posted November 20, 2015 - 07:23 PM

Yes it only sparks when the key is let off, the pound spark in sync with the spark plug.

#4 Slaminbrews OFFLINE  

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Posted November 20, 2015 - 07:27 PM

*points not pound

#5 Slaminbrews OFFLINE  

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Posted November 20, 2015 - 07:33 PM

Could any of these boxes be an issue? Or maybe coil?

#6 glgrumpy OFFLINE  

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Posted November 20, 2015 - 07:49 PM

IN a car of old days, used to be 12 volt went to points to start, then another circuit with smaller voltage was used when key was in ON position. Only 12 volt at start position. Seems you may have switch, or wrong switch or wiring change problem?? You change any of that stuff? Try a hot wire from Batt positive to the coil and see if it runs then. Have to pull wire to shut off then.



#7 Slaminbrews OFFLINE  

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Posted November 20, 2015 - 07:55 PM

No it ran fine when I pulled it in the shop a few weeks ago, then the other day, nothing.

#8 Slaminbrews OFFLINE  

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Posted November 20, 2015 - 08:00 PM

I ran a jumper wire and still nothing.

#9 Slaminbrews OFFLINE  

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Posted November 20, 2015 - 08:10 PM

I think I got it to spark all the time but it looks VERY weak

#10 Tecumseh power ONLINE  

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Posted November 20, 2015 - 08:12 PM

If you put your key in the on position and jump the starter will it run?

#11 Slaminbrews OFFLINE  

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Posted November 20, 2015 - 08:18 PM

Negitive. I don't think that would make a diffrence anyways. What are them boxes with all the wires going to them in my previous picture?

#12 Slaminbrews OFFLINE  

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Posted November 20, 2015 - 08:27 PM

Hot wired it and still a no go

#13 Slaminbrews OFFLINE  

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Posted November 20, 2015 - 08:38 PM

She's outing like kitten, kinda pissed and feel like a dumbass. My "new" plug has maybe 2hours on it. Looks really good, randomly put the old one in it and fired right up. Happy but feel like an idiot lol

#14 EricFromPa ONLINE  

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Posted November 20, 2015 - 10:31 PM

Had a 1 week old Champion plug in my sears go bad a couple days ago it might of had 3 or 4 hours on it.Took an old NGK plug out of my weed whacker and it fired right up.



#15 glgrumpy OFFLINE  

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Posted November 21, 2015 - 11:42 AM

Hear that about champions all the time, never much issue here. Most times I buy Auto-lite as many reccommend.  Seems odd they don't work well. Are they chinese now days? Imports not as good I'm saying?






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