Shutdown pquest SNF 2008-07-15 11:42:03: gate valve

eenriquez at snf.stanford.edu eenriquez at snf.stanford.edu
Tue Jul 15 15:18:27 PDT 2008


Tried to install new ferrofluidic seal but it was the wrong size (body was too short).  We opened the gate valve and found wafer chips on the o-ring.  We replaced the o-ring and retaught the valve.  Also replaced the backside He cooling o-ring.  Ran an O2 plasma for 1 hour.




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