 Thursday, May 25, 2023, 13:10, David Wang, Conditioning Station, Maintenance, TM2, , TCS MP1 is replaced due to poor performace.
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TCS MP1 is replaced due to poor performance( system shows unstable and high reading on TCSCG1A and high TP1,TP2 current draw) . The pump is edward 15i
scroll pump. Since vacuum group has no same spare pump, i have to use SMP roughing pump SMP:MP1 which is a same pump to replace it.. After the replacement
,the TCS:CG1A and TP1, TP2 current draw are back to normal. The original TCSMP1 was surveyed. Swipes on intake and exhaust port are 300 counts and 1000counts. |
Monday, May 29, 2023, 12:52, Frank Song, ITW, Standard Operation, TM2, TiC#6, Module Connection 
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| TM2 with TiC#6 was connected in ITW (FEBIAD), turbo pumps were started successfully. |
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Tuesday, May 30, 2023, 12:30, Frank Song, ITW, Standard Operation, TM2, TiC#6, gas lines pump out in ITW Faraday Cage
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Gas lines pumped down at electric
room for TM2 at ITW is done, leak rate 0.0e -8 <1.0e -3 T P pressure |
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Tuesday, June 06, 2023, 17:36, Carla Babcock, ITW, Standard Operation, TM2, TiC#6, Module conditioning
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| Conditioned TM2 up to 48kV in ITW. Some sparks and current is not very stable. Drawing about 178uA at 48kV. |
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Tuesday, August 08, 2023, 12:59, David Wang, ITW, Standard Operation, TM2, SiC #6, TM2 SiC#6 dhas been disconnected in ITW
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| TM2 SiC#6 has been disconnected in ITW. See check list |
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Tuesday, August 08, 2023, 13:01, David Wang, North Hot-Cell, Standard Operation, TM2, TiC#6, TM2 TiC#6 post run electrical check at NHC.
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| TM2 TiC#6 post run electrical check has been done at TCS. See attachment |
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Wednesday, August 09, 2023, 09:41, David Wang, North Hot-Cell, Standard Operation, TM2, Nb#10, TM2 Nb# 10 electrical and leak check at NHC
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| Nb#10 has been installed on TM2 . electrical and leak check on HS line are good. See attachment. |
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Wednesday, August 09, 2023, 13:13, David Wang, Conditioning Station, Standard Operation, TM2, Nb#10, Tm2 Nb#10 has been connect at TCS.
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TM2 Nb#10 has been connect at TCS. TCS water system and vacuum system have been started. Everything looks ok so far. TCS Faraday cage is secured for
TM2 conditioning at TCS. |
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Wednesday, August 09, 2023, 13:43, Carla Babcock, North Hot-Cell, Standard Operation, TM2, TiC#6, TiC#6 PIE
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PIE on TiC#6 was done in the NHC. The target assembly looked brand new when we took it out, no heating spots or deposits (pictures on docushare). Online
we measured a 400kOhm connection between TGHT-TBHT-COIL to HV common (TGHT and COIL shorted in TM2 service tray) and anode was unstable above ~300V. After
the module move and before the target removal David found TGHT-TBHT-COIL was a dead short to HV common and the anode was at 39kOhms to HV common. |
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Tuesday, August 15, 2023, 13:58, Frank Song, ITW, Standard Operation, TM2, Nb#10, Module Connection
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| TM2 with new target Nb#10 was moved to ITW from TCS and re-connected in pit. TPs are running at their full speed. |
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Friday, August 25, 2023, 07:22, Frank Song, ITW, Repair, TM2, Nb#10, module disconnection
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| TM2 with target Nb#10 was disconnected in ITW yesterday for beam production issue investigation. |
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Monday, August 28, 2023, 12:16, Frank Song, North Hot-Cell, Repair, TM2, Nb#11, electric/leak check
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| TM2 with new target Nb#11 has been E/L checked sitting on NHC. |
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Tuesday, August 29, 2023, 09:07, Frank Song, ITW, Repair, TM2, Nb#11, electrical check
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| TM2 with new target Nb#11 replaced has been electric checked one more time in ITW. |
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Tuesday, August 29, 2023, 09:28, Frank Song, ITW, Repair, TM2, Nb#11, Module Connection
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| Module was connected yesterday and all turbo pumps are running at their top speed. |
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Tuesday, October 03, 2023, 07:56, Frank Song, ITW, Standard Operation, TM2, Nb#11, module disconnection
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| TM2 with target Nb#11 has been disconneted in ITW. The HS line was purged with Nitrogen in station. |
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Tuesday, October 03, 2023, 14:28, Frank Song, South Hot-Cell, Standard Operation, TM2, Nb#11, electrical check
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| An electric checked right after TM2 was moved from ITW. |
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Wednesday, October 04, 2023, 10:41, Frank Song, South Hot-Cell, Standard Operation, TM2, Ta#66, electrical check/leak check
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| TM2 with new target Ta#66 had an electrical check and leak check on SHC. |
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Thursday, October 05, 2023, 13:50, Frank Song, ITW, Standard Operation, TM2, Ta#66, Module Connection
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| TM2 with new target Ta#66 was connected in ITW. |
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Wednesday, January 03, 2024, 13:55, David Wang, ITW, Standard Operation, TM2, Ta#66, Disconnect TM2 in ITW.
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| TM2 has been disconnected in ITW. All water lines are nitrogen purged. Filled 60 psi argon to all Tm2 water lines for module storage in winter shut down. |
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Wednesday, January 03, 2024, 14:03, David Wang, ITW, Standard Operation, TM2, Ta#66, ITW primary and secondary vacuum vessel leak check and TM2 water lines helium pressure test.
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ITW primary and secondary vacuum vessel leak check and TM2 water lines helium pressure test are done today. No major concern. see attachment for small
air to vacuum leak we found. TM2 water lines helium pressure test is fine. HS and window line leak rate are 1.4Xe-8 atm.cc/sec. all other
water lines are below 3.0XE-9atm.cc/sec. |
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