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  40m Log, Page 333 of 350  Not logged in ELOG logo
New entries since:Wed Dec 31 16:00:00 1969
ID Date Author Type Categoryup Subject Text Attachments
  9570   Thu Jan 23 08:04:04 2014 SteveUpdateVACvacuum control screen is blank 
There is 
 pd76m170d2dRgaOn.png 
  9571   Thu Jan 23 13:23:10 2014 SteveUpdateVAC40m IFO is at atmosphere

    

       
            
  
  9576   Mon Jan 27 09:08:00 2014 SteveUpdateVAC4 days at atmosphere 
 
 day4atm.pngvent76bgTp3d4.png 
  9581   Tue Jan 28 11:13:50 2014 KojiUpdateVAC vacuum monitor is still blank[Steve Koji]
We
pushed the reset button of c1vac1 and c1vac2
  
  9582   Tue Jan 28 16:26:40 2014 SteveUpdateVAC vacuum computers are back without safety

    

       
            
 c1vac1_vac2areback.png 
  9599   Wed Feb 5 08:14:59 2014 SteveUpdateVAC vacuum computers are back without safety

    

       
            
  
  9604   Wed Feb 5 19:36:50 2014 SteveUpdateVACpumpdown at 25 Torr

    

       
            
 pd77at3.5h.png 
  9605   Wed Feb 5 19:53:51 2014 SteveUpdateVACpumpdown stops for the day at 14 Torr 
 
 stopHere.png 
  9607   Thu Feb 6 11:14:07 2014 SteveUpdateVACpumpdown completed Pumpdown completed. IR shutter opened
at P1 1 mTorr  The block is still in
the beam path.
 pd77.png 
  9615   Mon Feb 10 09:45:53 2014 SteveUpdateVACvacuum normal is reached 


 pd77m5d.png13daysAtm.png 
  9622   Tue Feb 11 10:44:15 2014 SteveUpdateVACRGA scan at day 6 
 
 pd77m6d.png 
  9644   Tue Feb 18 10:38:55 2014 SteveUpdateVACRGA scan at day 13 All normal.
 
 pd77m13d.pngRGAscan13d.png 
  9703   Fri Mar 7 16:13:03 2014 SteveUpdateVACpumping speed is recovered

    

       
            
 pumpingSpeed.png 
  9723   Wed Mar 12 08:40:42 2014 SteveUpdateVACRGA scan at day 35 
 
 pd77m35d.png 
  9745   Mon Mar 24 10:41:46 2014 SteveUpdateVACRGA scan at day 50 
 
 pd77m50dRGA.png 
  9746   Mon Mar 24 19:42:12 2014 CharlesFrogsVACPower Failure The 40m experienced a building-wide
power failure for ~30 seconds at ~7:38 pm
today.
  
  9749   Tue Mar 25 14:52:57 2014 steveUpdateVACvacuum is recovered Out
gassing plus leak rate   0.15 
 17hrsNoPumping.png 
  9757   Fri Mar 28 16:26:20 2014 steveUpdateVACRGA scan after power failure

    

       
            
 afterPowerFailure.png 
  9776   Wed Apr 2 16:34:15 2014 SteveUpdateVACMaglev controller needs service

    

       
            
  
  9782   Thu Apr 3 17:05:52 2014 SteveUpdateVACMaglev controller swapped

    

       
            
 loanerControllerIn.png 
  9795   Thu Apr 10 16:09:29 2014 SteveUpdateVACRGA scan at 75% pumping speed

    

       
            
 520HzpumpingSpeed.png 
  9834   Mon Apr 21 10:14:00 2014 SteveUpdateVACMaglev controller serviced

    

       
            
 ourControllerBack560Hz.png 
  9876   Tue Apr 29 16:42:29 2014 SteveUpdateVACTP2 drypump replaced

    

       
            
 dryforepumpreplaced.png 
  9994   Tue May 27 11:00:43 2014 SteveUpdateVACRGA scan at day 111 
 Rga scan at pump down 77, vacuum
normal valve configuration, maglev rotation
 pd77d111RGA.png 
  10112   Mon Jun 30 10:06:39 2014 SteveUpdateVAClow on pneumatic pressure of vacuum valvesThis morning valve condition: V1, VM1,
V4 and V5 valves were closed. IFO pressure
rose to 1.3 mTorr
 runoutofN2.pnglowN2.pngN2d100.png 
  10120   Wed Jul 2 11:47:26 2014 SteveUpdateVACbroken changeover regulator of N2 supply

    

       
            
  
  10245   Mon Jul 21 10:51:06 2014 SteveUpdateVACN2 supply run outInterlock closed valve V1, V4, V5 and VM1
when the nitrogen supply run out. The IFO
pressure rose to P1 1 mTorr
 outofN2.png 
  10419   Thu Aug 21 15:07:48 2014 SteveUpdateVACRGA scan at day 197 
 
 RGAscan@d197.png 
  10524   Mon Sep 22 15:20:32 2014 SteveUpdateVACRGA scan at day 229 
 
 RGA@229day.pngRGAscan229d.png 
  10530   Wed Sep 24 08:40:29 2014 SteveUpdateVACVent has started 
 Jam nuts checked. Oplev servos
turned off. Particle count checked. Vertex
 vent77.pngbvent77.png 
  10532   Wed Sep 24 13:28:48 2014 SteveUpdateVACvent is completed The vent is completed. ITMX was kicked
up accidentally. Valve configuration: chamber
open, RGA is pumped through VM2  Maglev
 ventiscompleted.pngatAtm.png 
  10533   Wed Sep 24 16:02:58 2014 JenneUpdateVACvent is completed[Steve, EricQ, Jenne]
ITMY and BS heavy doors are off,
light doors are on.  Q is aligning the
  
  10536   Thu Sep 25 08:21:15 2014 SteveUpdateVACvent day 1

    

       
            
 ventDay1.png 
  10547   Mon Sep 29 09:11:25 2014 SteveUpdateVACvent day 5 RGA scan 
 
 v77_bg-mag-d5.png 
  10548   Mon Sep 29 10:29:25 2014 SteveUpdateVACRGA is not running 
 The RGA time stamp was correct
last at 20140527
 rgascanTimeStamp.png 
  10553   Tue Sep 30 16:18:57 2014 SteveUpdateVACpump down #78 has started 
Q checked the earth quake stops of
SRM and we put the ITMY & BS doors on. 
 pd78hastarted.png 
  10555   Tue Sep 30 18:02:53 2014 SteveUpdateVACpump down #78 stops at 320 Torr 
We  stopped pumping just short
of 3 hours at 320 Torr.  Pumping speed
 3h.png 
  10556   Wed Oct 1 10:21:19 2014 SteveUpdateVACpump down #78 stops at 3.5 Torr

    

       
            
 pd78secondStop.png 
  10557   Wed Oct 1 16:26:53 2014 SteveUpdateVACpump down #78 completed 
 Pump down reached "vacuum
normal" state. IFO _P1 pressure 1e-4
 pd78completedin25hrs.png 
  10559   Thu Oct 2 09:23:23 2014 SteveUpdateVACvent 77

    

       
            
 vent77SRMmoved.png 
  10563   Fri Oct 3 10:10:37 2014 SteveUpdateVACcold cathode gauge reading switched 
We have two cold cathode gauges at
the pump spool and one  signal cable
 CC1switched.png 
  10568   Mon Oct 6 10:23:43 2014 SteveUpdateVACUnexpected power shutdown

    

       
            
  
  10579   Tue Oct 7 16:55:16 2014 SteveUpdateVACUnexpected sweaty valves Pump  spool valves V5, V4, V3
sweating a lot. VM3 and VC2 not so much.
 sweatyV5.jpgsweatyV5f.jpg 
  10584   Wed Oct 8 08:46:57 2014 SteveUpdateVACVAT valves actuator lubricant

    

       
            
  
  10587   Thu Oct 9 11:56:35 2014 SteveUpdateVACPower outage II & recovery

    

       
            
  
  10590   Thu Oct 9 17:33:28 2014 SteveUpdateVACPower outage II & recovery

    

       
            
 pumpingAgain.png 
  10597   Fri Oct 10 14:41:04 2014 SteveUpdateVACPower outage II & recovery

    

       
            
 recovery_poweroutage.png 
  10599   Mon Oct 13 14:44:52 2014 SteveUpdateVACRGA scan pd78 -day 13 Our first RGA scan since May 27,
2014 elog10585
 The Rga is still warming up.
 RGAscan13Oct2014.png 
  10741   Mon Dec 1 17:13:57 2014 SteveUpdateVACRGA scan pd78 -day 63

    

       
            
 RGAscanD63.png 
  10837   Tue Dec 23 14:33:24 2014 SteveUpdateVACChiara gets UPS

    

       
            
 prepUP.png 
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