1960 Brunner compressor valve issue

by Scott
(Wier, Quebec, Canada)

I recently purchased an old Brunner two stage model 229. Upon taking off the head to check the reed valves(as it would only pump to 10lbs then blow thermal cutout on motor),I found that both in the second stage are shot. I've thought about making my own, but was wondering about installing check valves instead.One from the first stage to second, and one from second to tank. Any thoughts?
Thanks

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Bill says...

Scott, in theory, it should work fine. Practically speaking, the supply of, and proper installation / plumbing of the check valves might be problematic.

The manufacturer uses reed valves because they are pretty basic, and cheap!

I suspect from your description though that you may have more than a reed valve issue, unless the valve to the tank were completely blocked. Sounds like you may have a motor issue too.

Cheers,

Bill




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1960 Brunner compressor valve issue

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Dec 15, 2010
 Update
by: Scott

Just an update.I spent a day making my own reed valves from a ring compressor I had lying around, and new gaskets also. Put it all back together and it pumps nicely to the cutout pressure.

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Glad to hear it, Scott.

Bill

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