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 Post subject: question re 2240 valve
PostPosted: Mon Mar 10, 2014 2:44 pm 
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Joined: Sun Jan 09, 2011 8:07 am
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Location: Central West River Nova Scotia
Is valve stem blow by normal or is the brass hole just worn ?

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PostPosted: Mon Mar 10, 2014 3:03 pm 
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Location: Woodstock
A little air escapes between the valve body and the stem. Other valves use seals to prevent this (like the Discovery valve). Obviously the more wear, the larger this gap will become. The stem should be 0.156" (3.96mm). And the hole in the valve body 0.157" (4mm)...

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PostPosted: Mon Mar 10, 2014 4:13 pm 
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The valve is actually the hpa conversion valve in my 2250d, but I noticed the same floppy fit in my 2240 valves as well.

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PostPosted: Mon Mar 10, 2014 7:22 pm 
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Most of the brass holes leak a little air.


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