Shutdown stsetch SNF 2009-04-20 12:55:56: Replacing He cooling seal

eenriquez at eenriquez at
Mon Apr 20 14:13:56 PDT 2009

Replaced the backside Helium cooling lip seal.  Was flowing about 3.2 sccm of He during process before the seal change now flowing about 2.4 sccm.  
Suggest keeping track of the He flow.  If flow is > 3 sccm, need to put the system down (Problem).

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