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ID Date Author Operational Mode Subject Text   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      28   Fri May 21 09:27:39 2004 Doug Preddy Maintenance Idle mode Power supply was ramped down yesterday as there are no users. The Sundance server was rebooted yesterday.      51   Fri Oct 1 11:39:55 2004 Doug Preddy Maintenance Loading of compressor not working When the compressor was restarted on Monday, the remote load button would  not respond. The compressor was shut off.      91   Fri Mar 11 09:18:30 2005 Doug Preddy Maintenance services on system The cold box was isolated and pumped out after it warmed up. It has been  refilled with helium.      92   Mon Apr 18 09:52:11 2005 Doug Preddy Maintenance Relays replaced The following relays have been replaced in the Sulzer control panel: K341, K379, K132, K324A, K314, K125, K127,      93   Thu May 19 15:05:31 2005 Doug Preddy Maintenance STA 120 replaced The turbine 2 speed indicator control box STA 120 has been replaced with a  newer style Jaquet controller. This is similar      185   Fri Jan 26 15:10:37 2007 Doug Preddy Maintenance new control computer installed I have installed a new control computer at the M9 solenoid control panel      186   Mon Mar 5 14:59:41 2007 Doug Preddy Maintenance Password On the weekend someone used this log to send spam messages. I have  installed a password for the write privilege.      196   Wed May 16 10:02:35 2007 Doug Preddy Maintenance warming up power leads Power lead temps have been slowly increasing over the last wekk. I ramped  the solenoid down and am warming the power      201   Tue Jun 12 12:48:25 2007 Doug Preddy Maintenance added one bottle UHP helium to system        214   Tue Aug 14 10:15:22 2007 Doug Preddy Maintenance Solenoid ramped down Solenoid ramped down and locked out for M9A slits work.      216   Wed Sep 12 12:01:02 2007 Doug Preddy Maintenance regenerated adsorber regenerated adsorber replaced MV902 "ON" switch (used nitrogen precooling on switch)      218   Tue Sep 18 18:48:11 2007 Curtis Ballard Maintenance cold box leak check The leak check of the cold box diff pump fittings.  Found a leak at the  base of the diff pump on the tee that is      219   Wed Sep 19 20:53:18 2007 Doug Preddy Maintenance More diff pump news Cold box pumped out to ~ 190 mTorr overnight.Leak checked the pump again.  Still leaks at dip stick.Tried resetting      229   Wed Oct 24 12:04:06 2007 Doug Preddy Maintenance power lead and cryopump regeneration Regenerating M9B:CP2 as temperature was up to almost 20k. Shut off flow to power leads to allow them      233   Fri Nov 9 16:24:33 2007 Doug Preddy Maintenance 2APLC Died thumb wheel panel all lite up. 2APLC rebooted by Klara (Thanks). M9BMP2 not  pumping properly. Edi is looking at it.       234   Fri Nov 9 18:56:20 2007 Doug Preddy Maintenance System Ready to Run M9BMP2 was replaced. Vacuum good. Solenoid is ramped up. :)      258   Tue Sep 9 15:04:23 2008 Doug Preddy Maintenance Jumpered interlock for diff pump water flow Jumpered interlock for diff pump water flow in Proteus box.      259   Fri Sep 26 09:44:25 2008 Doug Preddy Maintenance Water flow interlock restored yesterday      266   Wed Dec 10 15:44:58 2008 Doug Preddy Maintenance Repairs to solenoid power supply Klaus and company pulled the ramp rate card out of the solenoid power supply. Operational checks were done and the rate switch was

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