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New entries since:Wed Dec 31 16:00:00 1969
ID Date Author Category Type Moduledown Target/Number Subject
  1753   Monday, July 16, 2018, 17:41 Anders MjosITEStandard OperationTM4UC#22Target module disconnected

The water and electrical connections were disconnected today as protons remained off after power interruption during the weekend. Vacuum is still connected and operating.

 The vacuum system are disconnected 2018-07-17.  See attachment .

Attachment 1: TM4_UCx_22#__disconnection_check_list_1.pdf
TM4_UCx_22#__disconnection_check_list_1.pdf
Attachment 2: TM4_UCx_22#__disconnection_check_list_2.pdf
TM4_UCx_22#__disconnection_check_list_2.pdf
  1754   Wednesday, July 18, 2018, 14:20 chad fisherSouth Hot-CellStandard OperationTM4Ta#56Ta#56 Installed

Ta#56 has been installed onto TM4 with new fasteners. High current fasteners torqued to 130 in lbs.

RIB "shield" has been removed in  preparation for insertion of new optics tray.

  1755   Thursday, July 19, 2018, 09:17 chad fisherSouth Hot-CellRepairTM4 New Optics Tray Modification

The waterline loop bracket has been installed onto the new loop holding bracket and both installed onto the new source tray.

Attachment 1: 20180719_TM4_2.jpg
20180719_TM4_2.jpg
Attachment 2: 20180709_TM4.jpg
20180709_TM4.jpg
  1757   Monday, July 23, 2018, 10:31 Travis CaveITEStandard OperationTM4Ta#56Module move

 TM#4 with Ta#56 has been moved from the conditioning station to the east target station.

  1769   Tuesday, August 28, 2018, 10:53 Travis CaveSouth Hot-CellStandard OperationTM4Ta#56Module move

 TM#4 with Ta#56 has been moved from the east station to the south hot cell.

  1770   Tuesday, August 28, 2018, 14:19 David WangITEStandard OperationTM4Ta#56TM4 Ta#56 disconenction.

TM4 has been disconnected in ITE this morning. See attachment.

Attachment 1: TM4_Ta#56_disconnection..pdf
TM4_Ta#56_disconnection..pdf TM4_Ta#56_disconnection..pdf
  1771   Thursday, August 30, 2018, 07:42 David WangConditioning StationStandard OperationTM4 TM4 has been connected to TCS.

TM4 has been connected to TCS. vacuum system and water system are started. Everything looks fine.

  1772   Thursday, August 30, 2018, 07:46 David WangConditioning StationStandard OperationTM4 TM4 HS line leak check at TCS and SHC.

Chad and I leak checked TM4 HS line after UCx 24 is installed. No leak at 5xE-9atm.cc/sec.  Today, I did helium pressure test on HS line at TCS. No leak at 70 psi helium 0.0xE-9 atm.cc/sec.

  1774   Thursday, August 30, 2018, 14:16 Travis CaveSouth Hot-CellStandard OperationTM4Ta#56, UC#24, and no targetElectrical Check

 Results of the electrical check with the spent Ta#56 attached, no target attached and the UC#24 attached. These test were performed on TM#4.

Attachment 1: TM#4_Ta#56_Electrical_Check_Post_Beam_at_SHC.pdf
TM#4_Ta#56_Electrical_Check_Post_Beam_at_SHC.pdf
Attachment 2: TM#4_No_Target_Electrical_Check_Aug-29-2018.pdf
TM#4_No_Target_Electrical_Check_Aug-29-2018.pdf
Attachment 3: TM#4_UC#24_Electrical_Check_SHC.pdf
TM#4_UC#24_Electrical_Check_SHC.pdf
  1775   Tuesday, September 04, 2018, 08:18 David WangConditioning StationStandard OperationTM4UCx 24#Stppped TM4 and TCS vacuum and water system at TCS.

I stopped TM4 and TCS vacuum system at TCS. TCS and TM4 is venting with argon now.

  1776   Tuesday, September 04, 2018, 09:57 Travis CaveConditioning StationStandard OperationTM4UC#24Module move

 TM#4 with UC#24 has been moved from the conditioning station to the east target station.

  1778   Friday, September 07, 2018, 10:47 David WangITERepairTM4UCx24TM4 TP2 replacement

TM4 TP2 could not be started  after module was connected back to ITE on Sep 04th. It was replaced with a new pump on Sep 05th. The new pump works fine.

  1779   Friday, September 07, 2018, 10:55 David WangITEStandard OperationTM4UCx 24#TM4 has been connected to ITE/ Checklist

TM4 has been connected to ITE on Sep 04th. See attachment  for checklist.

Attachment 1: TM4_UCx_24#__connection_check_list.pdf
TM4_UCx_24#__connection_check_list.pdf TM4_UCx_24#__connection_check_list.pdf TM4_UCx_24#__connection_check_list.pdf
  1797   Tuesday, October 02, 2018, 09:49 David WangITEStandard OperationTM4UCx 24#TM4 was disconnected in ITE.

TM4 was disconnected in ITE yesterday. See attachment for checklist.

Attachment 1: TM2_UCx_24#_disconnection_in_ITE..pdf
TM2_UCx_24#_disconnection_in_ITE..pdf TM2_UCx_24#_disconnection_in_ITE..pdf
  1798   Tuesday, October 02, 2018, 09:59 Travis CaveSouth Hot-CellStandard OperationTM4UC#24Module move

 TM#4 with UC#24 has been moved from the east target station to the south hot cell.

  1799   Wednesday, October 03, 2018, 14:16 David WangSouth Hot-CellStandard OperationTM4Ta #57Leak check TM4 Lp Ta# 57 at SHC.

Tried to leak check TM4 Ta57# at TCS. LD failed to pump down properly at fine range. It always tripped at 4 torr. I cheeked all vacuum lines seals and adapters on top of module to LD. Everything is good. Chad said the VCRs at SHC can not be tightened any more. Discussed with Anders, we decide to move module TCS and helium pressure test there.  The same difficult happened last time on TM4 UCx24# at SHC when leak check. But,it is solved by pressurize the line at SHC last time.  

The HS line was pressurized with 70 psi helium on Oct 04th at TCS.. LD 0,00X E-9atm.cc/sec no change in 2 minutes. No leak.

  1801   Tuesday, October 09, 2018, 12:32 David WangConditioning StationRepairTM4 TM4 steers 4 pin feedthrough CF flange

TM4 Steers 4 pin feedthrough CF flange is replaced due an inside feed through insulator broken. CF 25 cooper seal is replaced with a new one as well. Travis did anelectrical check. after replacement. Everything looks fine.

 

Note only a megger check was performed on the affected steering lines. Open load was measured on all lines. (Travis Cave)

  1802   Tuesday, October 09, 2018, 13:46 Travis CaveITEStandard OperationTM4Ta#57Module move

 TM#4 with Ta#57 has been moved from the conditioning station to the east target station.

  1803   Wednesday, October 10, 2018, 07:52 David WangITEStandard OperationTM4Ta#57TM4 has been connected in ITE.

TM4 has been connected in ITE. see attachment.

Attachment 1: TM4_with_TA#56_connection_in_ITE.pdf
TM4_with_TA#56_connection_in_ITE.pdf TM4_with_TA#56_connection_in_ITE.pdf TM4_with_TA#56_connection_in_ITE.pdf
  1804   Wednesday, October 10, 2018, 10:50 Travis CaveConditioning StationStandard OperationTM4Ta#57Electrical Check

 The various electrical check done on TM#4 after the UC run and before the start of the Ta run.

Attachment 1: TM#4_UC#24_Electrical_Check_SHC.pdf
TM#4_UC#24_Electrical_Check_SHC.pdf
Attachment 2: TM#4_Elec_Chk_No_Target_Oct-3-2018.pdf
TM#4_Elec_Chk_No_Target_Oct-3-2018.pdf
Attachment 3: TM#4_Elec_Chk_SHC_Ta#57.pdf
TM#4_Elec_Chk_SHC_Ta#57.pdf
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