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ID Date Author Operational Mode Subject Text   64   Wed Oct 13 08:17:00 2004 Experimentor Start Up cycling 142 when temp hit 10.68 I tried cycling the valve twice -- at about 11:30 and again around 1:00, trying both the buttons and the dial -- but      67   Sun Oct 17 04:26:29 2004 Other Start Up cycling 142 when temp hit 10.68 > I tried cycling the valve twice -- at about 11:30 and again around 1:00, > trying both the buttons and the dial --      68   Sun Oct 17 05:03:13 2004 Other Start Up Cycle valve after oscillations begin (Sat night/Sun AM) Helium temperature started oscillating, so powered off magnet (precautionary) and cycled      69   Wed Oct 20 09:38:17 2004 Doug Preddy Start Up restarting system Solenoid tripped  off Monday morning due to high compressor pressure.  Regenerated purifier on Tuesday. Started      70   Thu Oct 21 07:16:35 2004 Doug Preddy Start Up switched to parallel cold return        71   Thu Oct 21 15:41:29 2004 Doug Preddy Start Up switched to series mode        72   Fri Oct 22 09:15:06 2004 Doug Preddy Start Up started flow to power leads Started flow to power leads HIC142 at 0.8.      94   Wed Jun 1 08:23:19 2005 Doug Preddy Start Up start up notes The solenoid was pumped out Monday and yesterday after the quads just  downstream of the solenoid were put back      111   Wed Nov 2 10:17:27 2005 Willy Andersson Start Up M9B helium refrigerator and solenoid cooldown Started M9B MYCOM helium compressor circulating helium through system last  Friday. Right hand purifier was regenerated      117   Tue May 23 08:44:28 2006 Doug Preddy Start Up Started turbines Solenoid and cold box were pumped out last Tuesday. Cold box roughing pump  initially would not start. had to retighten      118   Thu May 25 07:34:18 2006 Doug Preddy Start Up switched to parallel cold return switched to parallel cold return      119   Fri May 26 07:29:54 2006 Doug Preddy Start Up CV155 closed CV155 closed. Temps about 15K      120   Fri May 26 08:45:38 2006 Doug Preddy Start Up Changed to series mode Changed to series mode. Liquid level building.      121   Fri May 26 10:03:03 2006 Doug Preddy Start Up Started flow to power leads Started flow to power leads. Liquid level 15%      122   Fri May 26 14:34:24 2006 Doug Preddy Start Up Ready to run Solenoid is cold, liquid level is 35%, power leads cold and seem stable. Added one bottle helium to buffer tank. Pressure      162   Wed Oct 4 07:29:04 2006 Doug Preddy Start Up Starting cool down Started compressor yesterday with flow through the purifier overnight. Starting tubines this morning in parallel      163   Wed Oct 4 18:10:18 2006 Willy Andersson Start Up Quick check on system System in good // warm return mode, temps coming down nicely. BCP2 cryopump  does not look too healthy, temperature is      164   Thu Oct 5 10:26:26 2006 Doug Preddy Start Up switched to parallel cold return        165   Thu Oct 5 11:51:53 2006 Doug Preddy Start Up Adde 2 bottles UHP Helium Valved off purifiers, but left LN2 on.      166   Thu Oct 5 14:53:54 2006 Doug Preddy Start Up Switched to series mode

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