From jperez at snf.stanford.edu Thu May 12 14:04:00 2011 From: jperez at snf.stanford.edu (jperez at snf.stanford.edu) Date: Thu, 12 May 2011 14:04:00 -0700 Subject: Problem metalica SNF 2011-04-13 05:56:49: Extremely slow pump down Message-ID: It took me one hour and fifteen minutes to reach 1.0x10-6. This isn't extremely long. It is the norm for today. From jperez at snf.stanford.edu Thu May 12 14:04:46 2011 From: jperez at snf.stanford.edu (jperez at snf.stanford.edu) Date: Thu, 12 May 2011 14:04:46 -0700 Subject: Comment metalica SNF 2011-04-13 18:16:10: pumping fine for me Message-ID: It is taking one hour and fifteen minutes to reach 1.0 x 10 -6 From wslee at snf.stanford.edu Mon May 23 18:59:53 2011 From: wslee at snf.stanford.edu (wslee at snf.stanford.edu) Date: Mon, 23 May 2011 18:59:53 -0700 Subject: Problem metalica SNF 2011-05-23 18:59:53: Ridiculously long pumpdown time... Message-ID: It took aout 3.5 hours to pumpdown to ~9.5X10-7. From jperez at snf.stanford.edu Tue May 24 07:08:19 2011 From: jperez at snf.stanford.edu (jperez at snf.stanford.edu) Date: Tue, 24 May 2011 07:08:19 -0700 Subject: Shutdown metalica SNF 2011-05-24 07:08:18: Regen to see if it will help shorten the pumpdown time Message-ID: From jperez at snf.stanford.edu Tue May 24 11:42:46 2011 From: jperez at snf.stanford.edu (jperez at snf.stanford.edu) Date: Tue, 24 May 2011 11:42:46 -0700 Subject: Shutdown metalica SNF 2011-05-24 07:08:18: Regen to see if it will help shorten the pumpdown time Message-ID: Regen completed. From jperez at snf.stanford.edu Tue May 24 11:43:59 2011 From: jperez at snf.stanford.edu (jperez at snf.stanford.edu) Date: Tue, 24 May 2011 11:43:59 -0700 Subject: Problem metalica SNF 2011-05-23 18:59:53: Ridiculously long pumpdown time... Message-ID: Did a Regen and hoping this takes care of the slow pump down. From faridz at snf.stanford.edu Tue May 24 16:06:18 2011 From: faridz at snf.stanford.edu (faridz at snf.stanford.edu) Date: Tue, 24 May 2011 16:06:18 -0700 Subject: Comment metalica SNF 2011-05-24 16:06:18: Pump down time back to normal (1 Hour) Message-ID: From carterlin at snf.stanford.edu Thu May 26 16:54:37 2011 From: carterlin at snf.stanford.edu (carterlin at snf.stanford.edu) Date: Thu, 26 May 2011 16:54:37 -0700 Subject: Problem metalica SNF 2011-05-26 16:54:37: cryo pump temperature high Message-ID: after roughing pump to 30micron, open up gate valve but pressure shoots up. Cryopump temperature @ 95K From carterlin at snf.stanford.edu Thu May 26 20:45:20 2011 From: carterlin at snf.stanford.edu (carterlin at snf.stanford.edu) Date: Thu, 26 May 2011 20:45:20 -0700 Subject: Comment metalica SNF 2011-05-26 20:45:20: cryotemp down to 12K @ 8:30pm Message-ID: