 Wednesday, November 23, 2022, 12:10, Adam Newsome, Conditioning Station, Standard Operation, TM4, UCx#41, TM4 Move - NHC to TCS
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TM4 was moved from the North Hot Cell to the Target Conditioning Station with UCx#41. |
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Tuesday, November 22, 2022, 10:37, Adam Newsome, North Hot-Cell, Standard Operation, TM4, , TM4 Move - ITE to NHC
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TM4 was moved from ITE to NHC with C#4. |
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Monday, July 22, 2019, 14:51, Adam Newsome, South Hot-Cell, Standard Operation, TM4, No Target, TM4 Move
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TM4 has been moved from the South West silo to the South Hot Cell. New source tray, no target. |
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Wednesday, July 31, 2019, 08:57, Adam Newsome, South Hot-Cell, Standard Operation, TM4, No Target, TM4 Move
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TM4 has been moved from the Conditioning Station to the South Hot Cell. No target. |
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Tuesday, September 03, 2019, 10:49, Adam Newsome, South Hot-Cell, Standard Operation, TM4, , TM4 Move
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TM4 has been moved from the Conditioning Station to the South Hot-Cell. |
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Thursday, September 05, 2019, 14:18, Adam Newsome, South Hot-Cell, Standard Operation, TM4, UCx#27, TM4 Move
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TM4 with UCx#27 target has been moved from the South Hot-Cell to the Conditioning Station. |
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Tuesday, September 10, 2019, 10:10, Adam Newsome, ITW, Standard Operation, TM4, UC#27, TM4 Move
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TM4 has been moved from the Conditioning Station to ITW with UC#27 target. |
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Tuesday, October 22, 2019, 11:19, Adam Newsome, South Hot-Cell, Standard Operation, TM4, UC# 28, TM4 Move
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TM4 with UC# 28 target has been moved from ITW to the South Hot Cell. Shield plug installed in ITW. |
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Tuesday, November 23, 2021, 10:58, Adam Newsome, South Hot-Cell, Standard Operation, TM4, , TM4 Move
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TM4 was moved from ITE to SHC. Shield plug installed in ITE. |
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Wednesday, April 23, 2025, 14:08, Adam Newsome, North Hot-Cell, Standard Operation, TM4, , TM4 Module Move
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TM4 was moved from Safe Module Parking to the North Hot Cell today. |
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Friday, March 04, 2016, 12:34, David Wang, ITE, Standard Operation, TM4, , TM4 ITE annual leak check
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Dan and I finished TM4 and ITE annual leak check on primary and secondary vacuum vessel. We found one leak on a KF25 blank off which is located on the top of the service cap. It is a low E-7 atm.cc/sec range leak. But, it is very close to turbo-pumps so ITE IG1 and other gauges are not affected by it very much. It is an easy fix. TheKF -25 center ring on the blank off will be replaced after vent . It be will leak checked again at CS after replacement. That is only leak we found on TM4 and ITE primary and secondary vessel air to vaccum leak check.
Dan and I also finished the helium pressure test on all TM4 using water circuits. 70 psi helium. base LR 0.0xE-9 atm.cc/sec. All of them are leak free. No any response has been found on leak detector during test. |
Friday, October 08, 2021, 11:19, Frank Song, North Hot-Cell, Standard Operation, TM4, UCx#35, TM4 IGLIS target electrical tests 
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the tests were done when TM4 was on NHC. see attached photos please. |
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Thursday, June 13, 2019, 10:55, David Wang, Conditioning Station, Repair, TM4, , TM4 HV test at TCS without source tray.
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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 sparks. No spark trip on devices. 57.5KV is very close to the HV up limit of this module. |
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Tuesday, August 29, 2017, 08:59, David Wang, Conditioning Station, Standard Operation, TM4, , TM4 HS line leak checks
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TM4 HS line leak checks are done, at SHC and TCS. SHC: Helium spray. TCS: Helium pressurize 70psi. LD base LR 0.0 X E-9 atm.cc/sec. No leak has been found on both leak checks. |
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Thursday, August 30, 2018, 07:46, David Wang, Conditioning Station, Standard Operation, TM4, , TM4 HS line leak check at TCS and SHC.
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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. |
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Thursday, September 24, 2020, 11:25, David Wang, Conditioning Station, Standard Operation, TM4, UC#31, TM4 HS line leak check at SHC and TCS.
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Both helium spray and helium pressurize on TM4 HS line withUCx31 target are done at SHC and TCS. No leak. |
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Thursday, July 25, 2013, 10:08, David Wang, Conditioning Station, Standard Operation, TM4, SiC #29, TM4 HS helium pressure test andTM4 connection at CS
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Bevan and I did a helium pressure test on TM4 HS water circuit at CS. The leak detector is pumped to the bottom scale(E-9 atm.cc/sec and E-4torr). We applied 70 psi helium to the HS circuit for 3 minutes . No response had been found. I also leak checked IG1 flange which was replaced yesterday. It is good. We connected the TM4 to CS and put the HV cover on. The water cooling system will be started soon. |
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Tuesday, October 20, 2015, 13:52, chad fisher, South Hot-Cell, Maintenance, , , TM4 Febiad coil line disposal
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The febiad coil line removed from TM4 has been cut into pieces small enough to be disposed of in a 5 gal pal. The line was cut with a Ridgid Model 104 manual pipe cutter (using the manipulators of course).
This pieces constitute the bulk of the field in the hot cell and will be disposed of with the next spent target. |
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Tuesday, August 28, 2018, 14:19, David Wang, ITE, Standard Operation, TM4, Ta#56, TM4 Ta#56 disconenction.
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TM4 has been disconnected in ITE this morning. See attachment. |
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Thursday, May 02, 2024, 14:58, David Wang, South Hot-Cell, Standard Operation, TM3, UCx#44, TM3 with UCx#44 electrical check and leak check.
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TM3 with UCx#44 electrical check and leak check are good. see attachment.
HS line 70 psi helium pressure test at TCS: no leak at 0.0xe-9 torr. |
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