Logbooks Lab Maintenance Evaporator_1 Evaporator_2 Laser cutter Target Production Test-Stand RH-ISAC RH-Cyclotron RH-Meson Hall RH-Beamlines RH-ARIEL
  RH-ISAC, Page 134 of 141  Not logged in ELOG logo
New entries since:Wed Dec 31 16:00:00 1969
ID Date Author Categorydown Type Module Target/Number Subject Text Attachments
  1898   Tuesday, March 26, 2019, 09:32 Travis CaveConditioning StationStandard OperationTM2Dummy TargetModule move TM#2 with a new source tray and the
dummy target has been moved from the south
hot cell to the conditioning station.
  
  1899   Tuesday, March 26, 2019, 11:10 Travis CaveConditioning StationStandard OperationTM2Dummy TargetElectrical Check Electrical Check of TM#2 with the
dummy target attached.
 Electrical_Check_TM2_Dummy__Target_CS_Mar-26-2019.pdf 
  1901   Thursday, March 28, 2019, 10:27 David WangConditioning StationRepairTM2dummy febiad test targetTM2 new source tray helium pressure test at TCS.Helium pressure test on TM2 all water circuits
is done. 70 psi helium , 10 minutes test
time. Leak detector :base leak rate 0.0XE-9
  
  1902   Thursday, March 28, 2019, 12:48 Anders MjosConditioning StationRepairTM2dummy febiad test targetTM2 new source tray helium pressure test at TCS.


   
        
            
  
  1926   Wednesday, May 22, 2019, 08:33 Travis CaveConditioning StationStandard OperationTM1no targetModule move TM#1 has been moved from the north
west silo to the conditioning station for
the day it will be moved back to the silo
  
  1928   Wednesday, May 22, 2019, 11:52 David WangConditioning StationMaintenanceTM1 TM1 inpsection.TM1 shielding plates and their holding
bolts are inspected. No corrosion. 
TM1 is located at TCS now. Both TP1 and TP2
  
  1934   Friday, June 07, 2019, 08:56 Travis CaveConditioning StationStandard OperationTM4no targetModule move TM#4 has been moved from the south
hot cell to the conditioning station.
  
  1935   Friday, June 07, 2019, 13:11 David WangConditioning StationDevelopmentTM4 TCS and TM4. TM4 has been connected at TCS for HV test.
TCS water system and vacuum pumps are switched
on. 
  
  1936   Monday, June 10, 2019, 08:26 Carla BabcockConditioning StationMaintenanceTM4No targetRamping voltage on TM4 w/o source trayTM4 in conditioning station with no source
tray, extraction electrode set to HV bias.
Brought up to 30kV over the weekend by ISAC
  
  1938   Monday, June 10, 2019, 16:22 Carla BabcockConditioning StationMaintenanceTM4No targetRamping V on TM4, no HV cover in THRamped down the bias so David could remove
the HV cover and lock out the target hall.
Ramped back up to BIAS / EL = 50kV
  
  1939   Monday, June 10, 2019, 18:12 Carla BabcockConditioning StationMaintenanceTM4No targetAttempt to push bias > 56kVMonday, June 10, 2019, 16:59 : TM4 back
up to BIAS / EL = 56.1kV / 29.5kV
Monday, June 10, 2019, 17:14 : After
 Screenshot_-_06102019_-_06_43_17_PM.png 
  1940   Wednesday, June 12, 2019, 08:56 Carla BabcockConditioning StationMaintenanceTM4No targetMore TM4 conditioning without source trayThe conditioning station was ramped down
overnight and David ramped it back up this
morning. Currently trying to get it to sit
  
  1942   Thursday, June 13, 2019, 10:55 David WangConditioning StationRepairTM4 TM4 HV test at TCS without source tray.I brought up TCS bias to 57.5 KV on TM4
without source tray at TCS. It was kept at
this level about 1.0 hours. Some intermediate
  
  1947   Monday, July 08, 2019, 14:56 Carla BabcockConditioning StationRepairTM4Dummy HP SIS targetFirst TM4 conditioning with new source trayRamping up TM4 with new source tray in.
Current condition: new source tray but no
water running in lines B, D or window. Multipin
  
  1948   Tuesday, July 09, 2019, 09:15 Carla BabcockConditioning StationRepairTM4Dummy HP SIS targetConditioning TM4 w/ new ST up to 45kVLeft TM4 at 40kV overnight with no previous
heating. There was only one real spark which
turned off TP2 but ops turned it back on.
  
  1949   Wednesday, July 10, 2019, 11:59 Carla BabcockConditioning StationRepairTM4Dummy HP SIS targetConditioning TM4 w/ new ST up to 50kVDavid raised the bias to 49.5kV. Module
is still sparking mainly on top. Humidity
is super high.
  
  1950   Monday, July 15, 2019, 13:29 David WangConditioning StationDevelopmentTM4 Vacuum surge when TM4 B line iwas supplied with water.Yesterday, TM4 B line was supplied with
water at TCS for testing.  TCS: IG1
and IG2 had big response on it. See attachment.
 vacuum_surge_on_B_line_with_water.png 
  1951   Tuesday, July 16, 2019, 08:44 Travis CaveConditioning StationStandard OperationTM4no targetModule move TM4 has been moved from the conditioning
station to the south west silo. Module was
placed with the turbo pump facing south which
  
  1956   Monday, July 29, 2019, 16:17 Carla BabcockConditioning StationRepairTM4Dummy LP SISNew leak on EE water line while testing new In sealsOriginal Problem:
Leaks on the B and D copper blocks,
probably due to corrosion between the blocks
 13_PM.png15_PM.png 
  1958   Tuesday, August 06, 2019, 01:13 Carla BabcockConditioning StationRepairTM4Dummy HP SIS targetChecks on EE line leak fix and window line leak (not fixed)TM4 has developed 4 leaks so far:

    Line B - seems to be solved
with an indium gasket (some testing already
  
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