Simplicity 524 Snowblower Tecumseh HS50 No Spark - Snowblower Forum : Snow Blower Forums
 
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post #1 of 9 Old 04-03-2016, 04:20 PM Thread Starter
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Simplicity 524 Snowblower Tecumseh HS50 No Spark

Hello, I am new to the forum, I picked up a Simplicity 524 Snowblower that was not running. After looking at it I found out there was not any spark. After disconnection the key switch I still didn't have spark. After unhooking the kill switch on the engine it was the same thing. I replaced the Coil, condenser, points and plug. I also did not hook up the kill wire that in under flywheel to make sure the wire wasn't shorted out. Put it back together other than the wires I mentioned and it still has no spark. Has anyone else had this issue or can recommend where I should check next. Thanks in advanced!!
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post #2 of 9 Old 04-03-2016, 11:07 PM
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When you had the flywheel off how did the magnet look ?? Much rust ??

Are you sure you gaped the points properly ??

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post #3 of 9 Old 04-04-2016, 06:04 PM Thread Starter
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Yup, the magnets are very clean. I have the points set at .020
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post #4 of 9 Old 04-04-2016, 07:23 PM
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flamefighter. Did you drag a piece of clean paper through the points after checking the gap? Even a little oil or dirt will insulate the points. Did you try a different spark plug to eliminate that as a source?

Unrelated to the no spark, make sure you torque the flywheel nut to the correct spec for your engine (found in the link below) or you might\will shear the key if the engine does start.

http://www.barrettsmallengine.com/ma...headmanual.pdf

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post #5 of 9 Old 04-04-2016, 07:33 PM Thread Starter
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Yup I cleaned them. And its a new spark plug gaped to specs.
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post #6 of 9 Old 04-04-2016, 07:56 PM
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Next thing to check would be the insulating block on the points. Make sure the condenser wire and the moveable point are not touching ground. Worse case scenario and unlikely but possible, the ignition coil is bad.

Toro 8/24 (38080) 1989
Toro 421-QZE (38585) 2008 (Gone)
Toro 721-QZR (38741) 2015 (Hemi Predator Power)

Experience is something you don't get until just after you need it.
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post #7 of 9 Old 04-06-2016, 06:36 PM Thread Starter
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Ok, I will check that. I will let you know what the results are. Thanks
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post #8 of 9 Old 04-06-2016, 07:27 PM
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Quote:
Originally Posted by flamefighter View Post
Yup, the magnets are very clean. I have the points set at .020
Even though the points are set to the correct .020 gap, did you confirm the points are touching when closed? Might have to reduce the gap if NOT closing all the way.

The condenser, which is really a capacitor, usually fails by opening internally. If your condenser failed by shorting out internally, it could be another possibility for no spark?? I'm not sure.

Toro 8/24 (38080) 1989
Toro 421-QZE (38585) 2008 (Gone)
Toro 721-QZR (38741) 2015 (Hemi Predator Power)

Experience is something you don't get until just after you need it.

Last edited by Grunt; 04-06-2016 at 07:31 PM. Reason: Add after thought.
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post #9 of 9 Old 04-07-2016, 08:32 AM
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Ohm out that coil and do the same with the original - see what you get




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