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Blake Dixon
PostPosted: Tue May 14, 2013 11:11 am 
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Anyone ever used this pump as a Vacuum pump for LMI bridge clamp? Is this the way to go?

http://www.harborfreight.com/25-cfm-vac ... 98076.html


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Blake Dixon

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Andy Birko
PostPosted: Tue May 14, 2013 11:52 am 
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DO NOT buy one of those unless you want your shop filled with oil mist!

I didn't buy that exact one but something similar and what they don't tell you is that oil mist just pours out of the exhaust port.

Look for an oil-less design and you really don't need many CFM to do what you need.

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Blake Dixon
PostPosted: Tue May 14, 2013 12:08 pm 
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Any idea where to purchase an oilless compressor?
Blake Dixon

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Blake Dixon
PostPosted: Tue May 14, 2013 12:16 pm 
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What about this one?
http://www.harborfreight.com/air-vacuum ... 96677.html

Blake Dixon

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Andy Birko
PostPosted: Tue May 14, 2013 12:31 pm 
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That's a venturi type vacuum generator. You need an air compressor with adequate CFM for it to work. I don't have one personally but they work fine.

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Blake Dixon
PostPosted: Tue May 14, 2013 1:09 pm 
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I'm not sure what you mean by air compressor? Do you mean a vacuum valve setup on an air compressor or an air compressor designed for this specific purpose?

Thanks for your comments
Blake Dixon

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arie
PostPosted: Tue May 14, 2013 2:08 pm 
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buy one of these from McMaster Carr or the auto parts store near you:

Image

pulls 25"/hg -about the mid range of electrical pumps (23.5" to 29"/hg) and much much cheaper and quieter. less messy too. item #9963K21

as stated you really don't need monster truck force.

go green!


Last edited by arie on Tue May 14, 2013 2:13 pm, edited 1 time in total.

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Blake Dixon
PostPosted: Tue May 14, 2013 2:11 pm 
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thank for the replys

Blake Dxon

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Andy Birko
PostPosted: Tue May 14, 2013 3:16 pm 
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Blake Dixon wrote:
I'm not sure what you mean by air compressor? Do you mean a vacuum valve setup on an air compressor or an air compressor designed for this specific purpose?

Thanks for your comments
Blake Dixon


Any air compressor so long as it can generate enough CFM. It's a venturi vacuum generator that uses the Venturi principal to use an air stream to generate a vacuum - like magic!

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