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ID Date Authordown Category Type Module Target/Number Subject Text Attachments
  1945   Friday, June 21, 2019, 07:16 David WangSouth Hot-CellDevelopmentTM4 TM4 new source tray leak check at SHC.New source tray was installed on TM4 yesterday.
LD was used to pump down all water lines.
Tube heater +D circuit has a big leak 
  
  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 
  1953   Friday, July 26, 2019, 11:28 David WangSouth Hot-CellStandard OperationTM4 TM4 move from SHC to TCS.Tm4 has been moved from SHc to TCS without
containment box. It is a new source tray
on TM4.  A layer of plastic sheet was
  
  1954   Friday, July 26, 2019, 11:41 David WangSouth Hot-CellStandard OperationTM4 TM4 with spare target electrical check and leak check.Electrical check on TM4 with spare test
target. PQ is still shorted to RU. But, The
short between 60KV bias and PQRU which we
  
  1961   Wednesday, August 14, 2019, 08:55 David WangITEStandard OperationTM2 TM2 has been disconnected in ITE.TM2 has been disconnected in ITE. The bias
jumper between U and T was burned out during
the last beam time. 
  
  1965   Friday, August 16, 2019, 08:46 David WangITEStandard OperationTM4ZrC #8.TM2 has been connected in ITE.TM2 has been connected in ITE. turbo pumps
have been started. ITE  and TM2 vacuum
are good.
  
  1966   Friday, August 16, 2019, 08:51 David WangConditioning StationRepairTM4 TM4 waterlines helium pressure test at TCS.LD base leak rate, 0.0Xe-9atm.cc/sec. Helium
pressure, 70psi. 5 minutes each circuit.
No response on all water line except containment
  
  1967   Friday, August 16, 2019, 08:52 David WangConditioning StationStandard OperationTM4 TM4 is moved from TCS to SW silo.TM4 is moved from TCS to SW silo this morning.
The move is good. 
  
  1980   Monday, September 09, 2019, 06:38 David WangConditioning StationStandard OperationTM4UCx27HS and window line leak check.TM4 HS and window line are helium pressure
checked at TCS. 70 psi helium 5 minutes.
No response @1.2XE-8 atm.cc/sec. They are
  
  1981   Tuesday, September 10, 2019, 08:25 David WangConditioning StationStandard OperationTM4UCx27Argan vent TCS.TCS is argon vented. TM4 is disconnected
at TCS. 
  
  1983   Tuesday, September 10, 2019, 14:04 David WangITWStandard Operation  ITW water interlock check.ITW water interlock check is finished.
Everything is good. 
  
  1984   Thursday, September 12, 2019, 09:26 David WangITWRepairTM4 ITW bad vacuum issue and trouble shoot.ITW secondary vacuum was bad in last two
days after TM4 was connected in ITW. Today
when check the exit 2 module, I found a small
  
  1985   Friday, September 13, 2019, 13:36 David WangITWStandard OperationTM4UCX27TM4 conenction in ITW checklistTM4 was connected in ITW this Tuesday.
See attachment for checklist.
 TM4_UCx27_connection_checklist.pdf 
  2000   Friday, October 04, 2019, 16:43 David WangConditioning StationStandard OperationTM2 TM2 has been connected at TCS.TM2 has been connected at TCS this morning.
helium pressure test on Tm2 HS line is done.
No leak. 
  
  2001   Friday, October 04, 2019, 16:50 David WangSouth Hot-CellStandard OperationTM4 UCx 28 target with TM4 SHC leak check and electrical check. TM4 HS Leak check result is good . No leak.
electrical check after target installation:
Bias to chassis 550 Mohm. Coils are shorted
  
  2003   Monday, October 07, 2019, 14:03 David WangITEStandard OperationTM2Ta 59TM2 has been connected in ITE.Tm2 with Ta 59 has eben connected in ITE.
Turbo pumps are started. See checklist
 Ta_59_TM2_ITE__connection_checklist..pdf 
  2011   Wednesday, October 23, 2019, 06:56 David WangITWStandard OperationTM4UCX 28TM4 UCx 28 disconnection checklistTM4 was disconnected in ITW.  See
checklist.
 UCx_28_disonnection_CL.pdf 
  2014   Friday, October 25, 2019, 06:43 David WangSafe Module ParkingDevelopmentTM3 SMP vacuumTM3 was moved into SMP Oct 25 morning. 
After two nights pumping down, SMP CG1 read
30mtorr this morning.  The pump is stopped.
  
  2018   Wednesday, October 30, 2019, 11:18 David WangITWStandard OperationTM4UCx 29UCx 29 connection checklistSee attachment  UCx_29_connection_checklist.pdf 
  2020   Thursday, October 31, 2019, 10:17 David WangAssembly/Bench TestMaintenanceTM2 Febiad target gas line leak check.Feibiad gas line for ITE and its adapter
fittings for TM2 are tested today by installing
them on a dummy water stem. No leak on VCO
  
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