Flywheel magnet came off - Snowblower Forum : Snow Blower Forums
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post #1 of 13 Old 12-08-2019, 04:48 PM Thread Starter
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Flywheel magnet came off

So I was working on a 4yr old 28in today, I had tuned it up earlier this fall and a mouse nest removal under the tank. Recently I got a call saying it was running for 10mins great, he put it to idle to shovel for a sec and it died, couldn’t restart it. Turns out the mouse pee ate the threads holding the magnet on the flywheel. Also Tore up the PLASTIC COOLING FINS. DOA, parts will be ordered.


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post #2 of 13 Old 12-08-2019, 05:09 PM
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Could you glue the magnet back on? I'd use some JB Weld, I've done it in the past.




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post #3 of 13 Old 12-08-2019, 05:16 PM
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OHH the damage and stink such a small animal can do, next one in line is chipmunks for getting into machines hiding nuts and such
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post #4 of 13 Old 12-08-2019, 05:21 PM Thread Starter
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Could you glue the magnet back on? I'd use some JB Weld, I've done it in the past.


Maybe, but it’s on the outside, could just fly off from the centrifugal force correct?


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post #5 of 13 Old 12-08-2019, 05:32 PM
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how good are you with drilling and re taping ?
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post #6 of 13 Old 12-08-2019, 05:38 PM Thread Starter
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I could, but I’d like to keep probability of failure on the part, not me. Also, there’s only one magnet, is that usual?


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post #7 of 13 Old 12-08-2019, 06:01 PM
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Clean it and JB weld, I've done lots of Kohlers at work. Try to figure out witch side of the magnet goes towards the outside, not sure if the N/S poles will make a difference.

If I can't fix it, I can screw it up so bad that no one else can either!
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post #8 of 13 Old 12-08-2019, 06:02 PM
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Quote:
Originally Posted by e.fisher26 View Post
I could, but I’d like to keep probability of failure on the part, not me. Also, there’s only one magnet, is that usual?
I think so. The magneto fires the engine for the power stroke on every second engine revolution. But the magneto is powered through the magnet every revolution of the engine so there is a wasted spark on the exhaust stroke. If there were more than one magnet the spark would occur every half an engine revolution so would be uncontrollable.

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post #9 of 13 Old 12-08-2019, 06:35 PM
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I lost a magneto, a bolt came loose and shattered the magnet but in a large enough piece that it was still usable. I used the strongest epoxy HD had. Still holding.

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post #10 of 13 Old 12-08-2019, 08:31 PM
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E. Do have a pic of the flywheel & the damage it caused????

Thanx, Jay
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