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J4 Magneto Help

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Kyle Delong
Posts: 40
Joined: Sun Jan 16, 2022 6:39 pm
Zip Code: 46135
Tractors Owned: 1948 Cub Fast Hitch
144 Cultivators
54A Blade
Woods 42F-2 Mower

J4 Magneto Help

Postby Kyle Delong » Sun Apr 03, 2022 9:14 am

Hi all, I was putting my magneto back in my tractor. After timing it correctly the magneto seized up. It wouldn’t spin either direction, I took it apart to see if anything wrong, I couldn’t find anything wrong with it. Any advice on how to get it unseized?
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Jim Becker
Team Cub
Team Cub
Posts: 17272
Joined: Sun Feb 02, 2003 2:59 pm
Zip Code: 55319
Circle of Safety: Y
Location: MN

Re: J4 Magneto Help

Postby Jim Becker » Sun Apr 03, 2022 11:46 am

Just how did you end up at this point? Did you ever get it bolted to the engine? How apart did you take it? Did you put it back together after taking it apart?
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Kyle Delong
Posts: 40
Joined: Sun Jan 16, 2022 6:39 pm
Zip Code: 46135
Tractors Owned: 1948 Cub Fast Hitch
144 Cultivators
54A Blade
Woods 42F-2 Mower

Re: J4 Magneto Help

Postby Kyle Delong » Sun Apr 03, 2022 11:52 am

I think I found the issue. The spring was catching on the bolt behind the flywheel. I lubricated everything back there.The magneto is spinning now.
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Jim Becker
Team Cub
Team Cub
Posts: 17272
Joined: Sun Feb 02, 2003 2:59 pm
Zip Code: 55319
Circle of Safety: Y
Location: MN

Re: J4 Magneto Help

Postby Jim Becker » Sun Apr 03, 2022 12:04 pm

A bolt that holds the flange onto the main body of the magneto? The best I recall, those should have a fairly low profile screw head. As long as you have clearance now, you should be okay. Just be sure there is enough clearance that it doesn't collide some time later on.
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Kyle Delong
Posts: 40
Joined: Sun Jan 16, 2022 6:39 pm
Zip Code: 46135
Tractors Owned: 1948 Cub Fast Hitch
144 Cultivators
54A Blade
Woods 42F-2 Mower

Re: J4 Magneto Help

Postby Kyle Delong » Sun Apr 03, 2022 12:37 pm

I will. Thanks for the help
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