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Discussion Forum
Show Parts for Model:

Impulse coupling tool needed.

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01-09-2003 07:19:50

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I need a tool to remove the impulse coulping from a magneto. Does anyone have one for sale, or plans to build one? I can get a machine shop to make me one. Thanks.

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Diesel Don

01-09-2003 20:03:18

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 Re: Impulse coupling tool needed. in reply to JohnG(TX), 01-09-2003 07:19:50  
I can make you one if nessasary.I assume it is for an H4 mag.E-mail if you need one made up.

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01-09-2003 08:54:58

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 Re: Impulse coupling tool needed. in reply to JohnG(TX), 01-09-2003 07:19:50  
Yeah, I had the same problem so I made one out of a 5/8" grade 2 bolt. Turns out that those internal threads are are 9/16 - 24 which is found in the Unified Extra Fine Thread Series (UNEF/UNREF). The first one I made used a 3/8 - 16 (coarse) bolt to push on the shaft. I was fortunate that the impulse pawl plate came loose easily. The second one I made had 3/8 fine threads in it. I haven't made a drawing of it but can email a jpeg of the puller if you wish.

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01-09-2003 09:17:48

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 Re: Re: Impulse coupling tool needed. in reply to Theman, 01-09-2003 08:54:58  
That sounds great. My email is:

Thanks a lot!

John Gold

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