 Mon Oct 31 07:48:57 2005, Willy Andersson, Quench Recovery, what a fine entry
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| Keep IT safe boys |
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Wed May 16 10:02:35 2007, Doug Preddy, Maintenance, warming up power leads
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Power lead temps have been slowly increasing over the last wekk. I ramped
the solenoid down and am warming the power leads to >80k. |
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Thu Oct 7 13:33:20 2004, Doug Preddy, Start Up, turned off purifier
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| turned off purifier |
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Wed Nov 24 14:58:42 2004, Doug Preddy, Quench Recovery, today
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Came in this morning to find the helium return line to the buffer tank
frosted up. MV51 has been stuck open the whole time. That exlains the
cooldown rate and other problem. Cycled MV51 a few times and it now seems
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Wed Jun 1 23:48:02 2005, Doug Preddy, Quench Recovery, the first quench
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I recieved a call from ops at 22:00 tonight that the solenoid had alarmed.
I came in and found a cold box fault, with the compressor tripped off. I
was unable to restart the compressor. I cleared the cryostat quench and
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Thu Jul 6 15:00:15 2006, Doug Preddy, Normal Running, test
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Thu Jul 6 15:04:17 2006, Doug Preddy, Normal Running, test 
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| test |
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Wed Jul 4 11:13:12 2007, Doug Preddy, Quench Recovery, test
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| This is a test to make sure the e-mail works. |
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Thu Jun 9 08:56:10 2005, Doug Preddy, Quench Recovery, system back on
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The compressor was restarted and the solenoid is cooling (sort of) in
parallel cold return. |
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Thu May 13 14:37:13 2010, Doug Preddy, Quench Recovery, switching to series mode.
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Thu Apr 17 13:52:25 2008, Doug Preddy, Start Up, switched to series mode at 9:30 this morning
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switched to series mode at 9:30 this morning. Added two bottles of helium gas.
Started flow to power leads. |
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Thu Oct 21 15:41:29 2004, Doug Preddy, Start Up, switched to series mode
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Sat Jul 29 05:30:28 2006, Doug Preddy, Quench Recovery, switched to series mode
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| Temps bottomed out at ~16K. Switching to series mode. |
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Thu Oct 26 08:18:10 2006, Doug Preddy, Quench Recovery, switched to series mode
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| Switched to series mode at about 7:45. |
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Tue Oct 9 13:16:44 2007, Doug Preddy, Quench Recovery, switched to series mode
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Fri Nov 9 07:37:44 2007, Doug Preddy, Quench Recovery, switched to series mode
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| switched to series mode. |
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Mon Nov 19 04:30:47 2007, Doug Preddy, Quench Recovery, switched to series mode
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Tue Nov 23 15:10:06 2004, Doug Preddy, Quench Recovery, switched to parallel cold return mode
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Thu Oct 21 07:16:35 2004, Doug Preddy, Start Up, switched to parallel cold return
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Tue Jun 14 23:01:22 2005, Doug Preddy, Quench Recovery, switched to parallel cold return
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