 Thursday, June 11, 2020, 11:49, David Wang, ITE, Maintenance, , , ITW and ITE thermocouple status.
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ITW - 2A2
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Thursday, June 18, 2020, 13:25, David Wang, ITE, Standard Operation, TM4, P2N test., Disconnect TM4 in ITE.
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| TM4 has been disconnected in ITE. Vacuum pumps and gauge are not disconnected yet. |
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Friday, June 19, 2020, 11:21, David Wang, ITE, Repair, TM4, P2N test., ITE TP3 is replaced.
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| ITE TP3 is replaced. ITE is under vacuum again. All turbo pumps are started successfully. Current draw on pumps are normal so far. |
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Monday, June 29, 2020, 10:09, David Wang, ITE, Standard Operation, TM4, P2N test., ITE turbo pumps are stopped
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| ITE venting is in processing. |
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Friday, July 03, 2020, 14:08, Travis Cave, ITE, Standard Operation, TM4, UC#30, Module move
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| TM#4 with UC#30 has been moved from the south hot cell to the east target station. |
Monday, July 06, 2020, 07:54, David Wang, ITE, Standard Operation, TM4, UCx 30, TM4 has been connected in ITE connection 
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| TM4 has been connected in ITE. Vacuum pumping down is good so far. |
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Tuesday, July 07, 2020, 17:43, Carla Babcock, ITE, Development, TM4, , RF tests on new IG-LIS wiring
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Tested RF from RF driver into new IGLIS wires at ITE. Used 5V, 1MHz (2MHz setting because of internal halving issue).
As expected there was a very slight mismatch visible (original cable ~ 68 Ohms, new cable ~ 53 Ohms).
The matching resistor will be changed and it will be retested. |
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Tuesday, September 29, 2020, 12:12, David Wang, ITE, Repair, TM4, , TM4 steerers staus after" left " grounding issue, and first stage investigation
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Left (short) is switched with bottom. So on module:
"Top" is still top.
"Left" is bottom |
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Tuesday, September 29, 2020, 12:29, Travis Cave, ITE, Standard Operation, TM4, UC#31, Module move
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| Module move of TM#4 with UC#31 was finished to today at around 10:30AM. |
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Tuesday, October 13, 2020, 10:16, Travis Cave, ITE, Repair, TM4, UC#31, Module move
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| TM#4 is now in the south hot cell from the east target station. |
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Thursday, October 15, 2020, 12:48, Travis Cave, ITE, Standard Operation, TM4, UC#31, Module move
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| TM#4 is now back in the east target station. |
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Thursday, November 05, 2020, 10:48, Travis Cave, ITE, Standard Operation, TM4, Ta#61, Module move
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| TM#4 with Ta#61 has been moved from the south hot cell to the east target station. |
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Wednesday, January 06, 2021, 10:39, David Wang, ITE, Standard Operation, TM4, , ITE and TM4 annual leak check.
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| Frank and I finished ITE and TM4 primary and secondary vacuum vessel leak check. ＬＤ ｂｅａｓｅ ｌｅａｋ ｒａｔｅ ０.０ｘ－９ａｔｍ．ｃｃ／ｓｅｃ． Ｎｏ ｌｅａｋ ｈａｓ ｂｅｅｎ ｆｏｕｎｄ．Ａｌｓｏ， Ａｌｌ ＴＭ４ ｗａｔｅｒ ｌｉｎｅｓ ｈａｖｅ ｂｅｅｎ ｐｒｅｓｓｕｒｉｚｅｄ ｗｉｔｈ ７０ｐｓｉ ｈｅｌｉｕｍ ｆｒｏ ３ ｍｉｎｕｔｅｓ ｏｎ ｅａｃｈ ｃｉｒｃｕｉｔ． Ａｌｌ ｗａｔｅｒ ｌｉｎｅｓ ｉ |
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Friday, January 22, 2021, 12:34, David Wang, ITE, Standard Operation, , , ITE HV test.
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ITE annual HV test is done. No module in station. The bias power supply has been ramped up to 49KV on control page. We still have voltage limit issue
on this PS at 48KV so it only can go to 47.7 KV on PS panel. No major spark during test.. The test result is same as last year test which was did in March
2020. |
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Friday, February 12, 2021, 07:07, David Wang, ITE, Maintenance, , , ITW and ITE clean up.
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| Vacuum cleaned ITW and ITE station. |
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Thursday, February 18, 2021, 12:33, David Wang, ITE, Repair, , , ITE:TP1S
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| ITE TP1S new pump is installed today. Reset pump life time on controller to 0 hr. |
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Thursday, February 25, 2021, 10:09, Frank Song, ITE, Repair, , , Disconnect Entrance Module in ITE
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David and I disconnected entrance module in ITE by following the procedure # 190510. And, the yoke was installed and left on for remote handling
later. |
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Thursday, March 11, 2021, 11:42, Frank Song, ITE, Maintenance, , , ITE water flow wheels and coils replacement.
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ITE water flow wheels and coils are replaced. Wheels and coils on Oven, Tube, HS, EE, MSP,
Febiad coil, containment box window, dump, dump plug, 2A window, and tank return circuits are replaced with new parts. |
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Wednesday, March 17, 2021, 09:10, Travis Cave, ITE, Standard Operation, , , Entrance module move
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| The east entrance module is now back at the east target station. |
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Wednesday, March 17, 2021, 11:43, Frank Song, ITE, Repair, , , Re-connect Entrance Module in ITE
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| David and I re-connect Entrance module at ITE after the monitor been replaced at SHC. |
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