Grinding valve stems - Snowblower Forum : Snow Blower Forums
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post #1 of 13 Old 03-17-2015, 05:22 PM Thread Starter
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Grinding valve stems

I thought maybe I'd contribute an idea to SBF, since you guys have been so helpful to me.

I've restored power to two Tecumseh motors this season by grinding the valve stems for proper clearance. The issue with doing that is how to get a controlled grind that's flat across the stem. The solution I came up with was to drill a 1/4" hole through a piece of wood and clamp it to my drill press table. Then offset the table a bit and use a cheap grinding wheel with arbor in the drill press. Push the valve up through the center hole in the table and you can get very controlled pressure on the valve stem.



I think it's simpler than setting up a v-block and grinding against the side of your bench grinder wheel.

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post #2 of 13 Old 03-17-2015, 07:04 PM
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Good idea Dave!

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post #3 of 13 Old 03-17-2015, 07:28 PM
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I used a flat file, worked great for me
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post #4 of 13 Old 03-17-2015, 10:25 PM
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Neat idea Dave!


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post #5 of 13 Old 03-18-2015, 03:34 AM
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That's too much messing around for me, I just free hand them on the side of a bench grinder wheel. I also know how to keep them square.

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post #6 of 13 Old 03-18-2015, 06:35 AM
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Quote:
Originally Posted by RAYAR View Post
That's too much messing around for me, I just free hand them on the side of a bench grinder wheel. I also know how to keep them square.

That's exactly what i do.
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post #7 of 13 Old 03-18-2015, 12:06 PM
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I like it !

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post #8 of 13 Old 03-18-2015, 05:33 PM
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i like it !
x 2
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post #9 of 13 Old 03-19-2015, 10:18 AM
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I just bring them into work and set up on a surface grinder. Set up, grind, and break down takes less than 5 mins. Perfect length and perfectly square. Nothing like having the right tool for the job.
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post #10 of 13 Old 03-19-2015, 10:19 AM
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Still a great set up Dave!
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