Logbooks Lab Maintenance Evaporator_1 Evaporator_2 Laser cutter Target Production Test-Stand RH-ISAC RH-Cyclotron RH-Meson Hall RH-Beamlines RH-ARIEL
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ID Date Author Target/No.# Sourcedown Station Module Target Oven W.O# Heat Shield W.O# Status Subject Text Attachments
  821   Monday, November 23, 2020, 10:03 Aaron Schmidt      Problems/SolutionsRP2 Check / pump down issueTMSRP2 has been struggling since the power
bump occurred Nov 18, 2020
Monday, November 23, 2020, 09:48:
 20201123_114110.jpg20201123_120204.jpg20201123_120208.jpg20201123_131124.jpg20201123_131127.jpg 
  822   Tuesday, December 01, 2020, 11:56 Carla Babcock      In progressModifications to test stand for TM3 testsTuesday, December 01, 2020, 11:56 :
TSG:BIAS unplugged and controls pigtail
(made by Ray) added in order to connect controls
  
  823   Tuesday, December 01, 2020, 17:04 Carla Babcock      Problems/SolutionsFound another burned jumper cableBetween feedthroughs F (magnet coil) and
B (tube heater negative), I found a jumper
with two resistors that has been burned up.
 20201201_115557.jpg 
  824   Wednesday, December 02, 2020, 08:32 Carla Babcock       Modifications to test stand for TM3 testsWednesday, December 02, 2020, 08:31 :
Added copper wire connection to multipin
screw terminals in HV cage to make sure they
  
  825   Wednesday, December 02, 2020, 16:18 Fernando Maldonado      DoneGas delivery system upgradeYesterday, December 1st, I successfully
installed and tested the gas system inside
the faraday cage.
  
  826   Thursday, December 03, 2020, 15:55 Carla Babcock, Alexander Shkuratoff       Modifications to ISAC test stand for TM3 testsThursday, December 03, 2020, 15:54 :
Got sign off from John Chow to run
the system, though the nylon insulator was
 20201203_150458.jpg20201203_173725.jpg 
  827   Friday, December 04, 2020, 08:53 Carla Babcock       Modifications to test stand for TM3 testsFriday, December 04, 2020, 08:52 :
Test stand roughed down to 29mT overnight.
Started turbos for testing later.
  
  828   Friday, December 04, 2020, 13:39 Alexander Shkuratoff      DoneTM3 service tray prototype preparatory HV testsFriday, December 04, 2020, 13:34
Vacuum is at 3.6e-6 Torr and possibly
still dropping. Starting HV tests with just
  
  829   Tuesday, December 08, 2020, 11:54 Carla Babcock       Modifications to test stand for TM3 testsThe copper tubes to be used in the TM3
test piece may have flux inside them from
soldering the end caps on. There are holes
 20201207_135011.jpg20201207_134951.jpgScreenshot_from_2020-12-09_19-41-36.png 
  830   Friday, December 11, 2020, 15:02 Carla Babcock, Sam McEwen, Aaron Schmidt       Modifications to test stand for TM3 testsTest piece installed with Sam, Aaron and
Alexander. Ended up shimming the support
stand (middle foot) since it seemed to be
 20201211_140703.jpg20201211_140639.jpg20201211_140605.jpg 
  831   Monday, December 14, 2020, 11:50 Alexander Shkuratoff      In progressTM3 service tray prototype HV testsMonday, December 14, 2020, 11:30
Switched off all breakers in HV cage.
Started HV testing of TM3 prototype.
  
  832   Tuesday, December 15, 2020, 11:24 Alexander Shkuratoff       TM3 service tray prototype HV testsTuesday, December 15, 2020, 11:15
Vacuum at 1.0e-6 Torr. Turned bias
power supply on, starting HV ramp at 500
  
  833   Wednesday, December 16, 2020, 10:32 Carla Babcock, Alexander Shkuratoff       TM3 service tray prototype HV testsWednesday, December 16, 2020, 10:30 (Carla)
:
Started ramping up about 45 mins
  
  834   Thursday, December 17, 2020, 08:16 Carla Babcock, Alexander Shkuratoff        Ramping up to 75kV. Started drawing current
at 63.5kV this time.
Now at 75kV, drawing 5uA of current.
  
  835   Monday, December 21, 2020, 07:58 Aaron Schmidt       Shutdown TS Shutting down the ISAC TS for the planned
outage on Dec 22.
Monday, December 21, 2020, 07:50:
  
  836   Monday, January 04, 2021, 08:17 Aaron Schmidt       Restart TSRestarting TS after holidays & planned
power outage.
Monday, January 04, 2021, 08:17:
  
  837   Monday, January 11, 2021, 14:20 Carla Babcock       Test stand wiring reverted to anode bias modeI have rewired the test stand (service
cap wiring only, not power supply wiring)
to anode bias mode as shown in the diagram.
  
  838   Thursday, January 14, 2021, 08:31 Fernando Maldonado      In progressGas delivery system upgrade

    

       
            
 new-gauge.png 
  839   Wednesday, January 20, 2021, 11:30 Fernando Maldonado      DoneCathode bias mode configuration confirmed

    

       
            
  
  841   Thursday, January 21, 2021, 10:55 Fernando Maldonado      DoneUpdated Good Vac value for TSG:IG1On Tuesday the hard good vacuum level was
changed from 7e-6 T to 1e-5 T
to allow larger leak rates when testing FEBIAD.
  
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