Problem tylan1 2002-08-28 10:52:08: Can't do oxidation

Dick Crane rcrane at snf.stanford.edu
Wed Aug 28 12:24:22 PDT 2002


Rajesh,

Please accept my apologies. The tube suffered a failure. The
reservations lists were clear for a 2 1/2 hr TCA getter which started
around 0700. A TCA clean was performed last night which caused a
clogging of the injector quartzware. Diff maintenance replaced
injectors and stainless flexlines this morning and were worried about
possible contamination. The clean was scheduled to be completed prior to
your reservation. Tylan1 suffered a gettering failure which caused a
carbon deposition in the tube. Tylan1 will need to be pulled and cleaned
and the root problem repaired.

Sorry for the major inconvenience,

Dick






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