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Replaced outer air pipette valve 3/24/15. #13

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nmgrluser opened this issue Mar 25, 2015 · 0 comments
Open

Replaced outer air pipette valve 3/24/15. #13

nmgrluser opened this issue Mar 25, 2015 · 0 comments
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Extraction Line Getters

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@nmgrluser
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Replaced outer air pipette valve 3/24/15. Bellows leak indicated by rising air blank on both Jan and Obama. Replaced bellows assembly including new vacuum relieved valve tip. Baked at 125° C 4 hours. Valve bellows seal leaking slightly (5 fa/min). Replaced with second bellows and new gasket. Baked at 150° C 3 hours. Leak tight. Activated bone and minibone getters 20 minutes at 4.5 amps. Now both operating at 2.1 amps.
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@nmgrluser