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  RH-ISAC, Page 27 of 138  Not logged in ELOG logo
ID Date Author Category Type Moduledown Target/Number Subject
  2012   Wednesday, October 23, 2019, 07:58 chad fisherSouth Hot-CellStandard OperationTM4UCx#28UCx#28 Removed

UCx#28 has been removed from TM4. Guard screws on 5(10) pin connector had to be removed to get the connector to un-seat properly for removal.

  2013   Thursday, October 24, 2019, 14:11 Travis CaveITWStandard OperationTM4UC#29Module move

 TM#4 with UC29 has been moved from the south hot cell to the west target station.

  2018   Wednesday, October 30, 2019, 11:18 David WangITWStandard OperationTM4UCx 29UCx 29 connection checklist

See attachment

  2051   Friday, January 24, 2020, 08:19 David WangITWStandard OperationTM4 ITW water signal interlock check.

ITW water signal interlock check is done. Everything works fine. ITW 2A2 tank water signal is broken and is not ok on XT2A2  page. I will fix it next week.

  2054   Thursday, January 30, 2020, 10:22 David WangITWStandard OperationTM4  TM4 water lines helium pressure leak check.

  TM4 internal water lines helium pressure leak check at ITW : 70psi helium 5 minutes on  each circuits. Base leak rate 0.0X E-9 atm.cc/sec. Base pressure 0.0X E-4torr. Only B line(Oven -) has a tiny 1.5Xe-9 atm.cc/sec response on LD during the check . All others all perfect good. 

  2055   Thursday, January 30, 2020, 12:06 David WangITWStandard OperationTM4 ITW primary and secondary vacuum seals leak check.

Connected LD to ITW(TM4) TP1. Base LR 0.0Xe-9 atm.cc/sec. Base pressure 0.0Xe-4 torr. All ITW primary and secondary air to vacuum seals are helium spray checked. There is a 5XE-9 atm.cc/sec leak on  exit2 module top cover plate o-ring seal. The location is on west  side, south corner of the plate. Hi- vacuum resin are sprayed to leak area, and leak checked  again. The leak is gone.   The other seals on ITW vacuum vessel are good.

 

  2056   Monday, February 03, 2020, 09:10 David WangITWStandard OperationTM4 ITW TPs are switched off. started of ITW argon venting.

ITW is argon venting now.

Argon venting of ITW is done. It took about 4.0 to 4.5 hours to vent the ITW with 2-3 psi argon. The CG4 and CG4S showed 35 to 36 torr on epic page when mechanical gauge is 760torr in electrical. Argon gas bottle is closed in electrical room.

  2057   Monday, February 03, 2020, 09:14 David WangITWStandard OperationTM4UCx 29TM4 UCx 29 disconnection checklist

TM4 has been disconnected in ITW. See attachment checklist.

  2058   Tuesday, February 04, 2020, 14:22 Travis CaveSouth Hot-CellStandard OperationTM4UC#29Module move

 TM#4 with UC#29 has been moved from the west target station to the south hot cell.

  2059   Wednesday, February 05, 2020, 08:22 chad fisherSouth Hot-CellStandard OperationTM4UCx#29UCx#29 removed

UCx#29 has been removed from TM$ and placed in a pail backfilled with argon until it can be moved to the storage vault.

  2060   Wednesday, February 05, 2020, 10:49 David WangConditioning StationStandard OperationTM4 Remove of TM4 from SHC to TCS.

TM4 has been moved from SHC to TCS. No target on module. The move is successful.

  2061   Wednesday, February 05, 2020, 10:54 David WangConditioning StationStandard OperationTM4 Roughing out TM4 at TCS.

TCS MP1 is started to rough out TM4 and TCS. TCS and TM4 will be under roughing only today and tomorrow. No plan to start TCS and TM4 turbo pumps this time.

  2062   Wednesday, February 05, 2020, 11:03 David WangSouth Hot-CellStandard OperationTM4UCx 29UCx 29 post run electrical check

UCx 29 TM4 post run electrical check is done before target is removed. Everything is normal on measurements.

  2064   Thursday, February 06, 2020, 13:32 Adam NewsomeSouth Hot-CellMaintenanceTM4 TM4 moved from Conditioning Station to South Hot Cell

 TM4 was moved from conditioning station to south hot cell in preparation for wiring replacement. No target.

  2065   Friday, February 07, 2020, 08:05 chad fisherSouth Hot-CellDevelopmentTM4 Containment box off for IGLIS

The containment box has been removed from TM4 in prep for the IGLIS wiring job.

  2066   Friday, February 14, 2020, 11:25 Travis CaveConditioning StationStandard OperationTM4Dummy TargetModule move

 TM#4 with dummy target has been moved from the south hot cell to the conditioning station.

  2067   Friday, February 14, 2020, 14:06 David WangConditioning StationStandard OperationTM4 TCS vacuum system and water sytem are switched on.

All turbo pumps are started. 

  2068   Friday, February 14, 2020, 14:13 David WangSouth Hot-CellStandard OperationTM4 SIS dummy target for IGLIS TM4 electrical check

Electrical check and HS, window leak check result at SHC. See attachment.

  2070   Wednesday, February 26, 2020, 08:45 David WangConditioning StationStandard OperationTM4 Remove of TM4 from TCS to SW silo

TM4 has been moved from TCS to SW silo. The move is fine.

  2085   Monday, March 16, 2020, 09:25 Travis CaveSouth Hot-CellStandard OperationTM4no targetModule move

 TM#4 has been moved from the silo to the south hot cell.

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