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ID Date Author Operational Mode Subject Text   259   Fri Sep 26 09:44:25 2008 Doug Preddy Maintenance Water flow interlock restored yesterday      225   Fri Oct 5 10:25:43 2007 Doug Preddy Quench Recovery Unknown quench 2 Kevin and I were at the Sulzer panel when the system quenched 2. No  obvious reasons. Restarted the system.      101   Thu Jun 9 21:41:25 2005 Willy Andersson Quench Recovery Trying to achieve stable cooling. From about 08:00 to 15:00 See Doug's previous entry for quench recovery      14   Sun Apr 25 21:41:00 2004 Willy Andersson Quench Recovery Trip on PL Temp. Got pager call at 16:20 this afternoon. Solenoid had tripped on PL  temperature. Arrived at about 17:00. Did      99   Thu Jun 9 06:53:40 2005 Experimentor Other Trip at 6:45 Today. Solenoid quenched at 6:45.  All temperature monitors were flat until trip.   Hearing compressor stop was first warning.      204   Tue Jun 19 21:15:41 2007 Doug Preddy Quench Recovery Today's quench power lead temps caused a quench at 8:30 this morning. Recovery of system  and flow to solenoid was started by 11:00.      2   Fri Dec 19 13:07:25 2003 Willy Andersson Maintenance To-Do list for M9SOL I had distributed this list by email earlier this month. I have added a few items at the bottom. I am posting it      3   Fri Dec 19 13:59:53 2003 Doug Preddy Maintenance To-Do list for M9SOL > I had distributed this list by email earlier this month. I have added > a few items at the bottom. I am posting      43   Tue Aug 24 12:09:50 2004 Doug Preddy Normal Running The past few days The solenoid has been re-started as of August 19. It was cooled down and  energized over the weekend. Sunday night      192   Fri Apr 27 10:16:44 2007 Kevin Trithardt Quench Recovery Test Don't Panic -- There was no quench. I am testing the e-log. I have added Kevin's name and e-mail to the      126   Tue Jun 13 16:04:33 2006 Willy Andersson Quench Recovery TIC 121 set to auto mode        137   Thu Jul 20 02:59:06 2006 Doug Preddy Quench Recovery T1 still not starting I will leave the cold box to warm overnight and try it again in the morning.      138   Thu Jul 20 08:18:31 2006 Doug Preddy Quench Recovery T1 started Started flow to turbines. Both started. T1 seems a bit slow. HIC110 at 0.85  SI110 = 4100.      136   Thu Jul 20 00:52:13 2006 Doug Preddy Quench Recovery T1 frozen T1 will not spin up. Warming up cold box.      11   Wed Apr 21 09:57:59 2004 Willy Andersson Start Up System status Buffer tank pressure is down to about 6 psig. Too low to keep up with liquefaction requirements to build LHe      109   Sun Aug 14 10:03:13 2005 Willy Andersson Normal Running System stable No experiment running in M9B. Solenoid current is zero and power supply      234   Fri Nov 9 18:56:20 2007 Doug Preddy Maintenance System Ready to Run M9BMP2 was replaced. Vacuum good. Solenoid is ramped up. :)      154   Wed Aug 9 07:50:49 2006 Doug Preddy Quench Recovery Switched to series mode. Cool down continues.      166   Thu Oct 5 14:53:54 2006 Doug Preddy Start Up Switched to series mode        200   Thu May 31 11:51:49 2007 Doug Preddy Quench Recovery Switched to series mode

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