Problem amtetcher SNF 2008-05-22 20:16:25: repeated ion gauge failure

shott at shott at
Mon Jun 9 07:16:40 PDT 2008

We believe that the late night pump down problem has been resolved following a re-build of the hex rotation O-rings, a clean of the hex shields, the inside of the hex, and the base plate.
Thus far, at least, pumpdowns are better and we've seen successful post-midnight pumpdowns.

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