 Friday, May 18, 2018, 09:34, David Wang, Conditioning Station, Repair, TM4, , water leak on TM4 Tube heater - B line confirmed. 
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At 8:50 AM today, I applied water to TM4 tube heater - (B) line at TCS. All high vacuum gauges got response on this action. Water is leaking through
B line on TM4.
It should be D line . David 2018-06-05 |
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Tuesday, May 22, 2018, 10:02, Anders Mjos, Conditioning Station, Repair, , , Water leak from TK1 over the weekend
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Link to e-log,
Link to efault
Tank level down from 76 to 55 in on TK1 |
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Wednesday, May 30, 2018, 09:51, David Wang, Conditioning Station, Repair, TM2, , TM2 water lines helium pressure test at TCS.
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I did a helium pressure test on TM2 water lines at TCS. We will remove the TM2 source tray soon so this test is a reference check for future new source.
The result:
Helium 70 psi, 2 minutes to each circiut. Leak detector base LR.0.0x e-9atm.cc/sec, base pressure 0.0x e-4torr |
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Wednesday, May 30, 2018, 09:55, David Wang, Conditioning Station, Repair, TM2, , TM2 and TCS vacuum pumps are switched off.
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| I switched off TM2 and TCS vacuum pumps. The TCS and TM2 will be under vacuum without pumping. |
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Monday, June 25, 2018, 16:42, Anders Mjos, Conditioning Station, Development, , , Testing new high current connectors
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Shorted TGHT with new high current connector assembly and heated to 600 A. Temperature measured on half way point on cable ~ 70 deg C and on connector
~60 deg C at 600 A, 45 / 40 deg C at 400 A. Target Hall locked out during test |
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Wednesday, August 01, 2018, 14:48, Travis Cave, Conditioning Station, Standard Operation, TM2, UC#23, Spent Target Move
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| TM#2 with UC#23 has been moved from the south hot cell to the conditioning station. |
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Thursday, August 02, 2018, 07:57, David Wang, Conditioning Station, Standard Operation, , , Leak check on TM2 UCx #23 @ TCS and SHC.
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I did a helium pressure test on TM2 HS line at TCS. At 70psi helium, the leak rate is 2.5 xE-7 atm.cc/sec. I think this is the number that close to result
before which is 1.7xE-9 atm.cc/sec. WE know there is a small leak on this water block seal. Chad and I did helium spray check yesterday at
SHC. It was good at bottom scale. No much worry on this low E-7 range leak. |
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Thursday, August 30, 2018, 07:42, David Wang, Conditioning Station, Standard Operation, TM4, , TM4 has been connected to TCS.
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| TM4 has been connected to TCS. vacuum system and water system are started. Everything looks fine. |
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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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Tuesday, September 04, 2018, 08:18, David Wang, Conditioning Station, Standard Operation, TM4, UCx 24#, Stppped TM4 and TCS vacuum and water system at TCS.
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| I stopped TM4 and TCS vacuum system at TCS. TCS and TM4 is venting with argon now. |
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Tuesday, September 04, 2018, 09:57, Travis Cave, Conditioning Station, Standard Operation, TM4, UC#24, Module move
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| TM#4 with UC#24 has been moved from the conditioning station to the east target station. |
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Friday, September 14, 2018, 09:39, Travis Cave, Conditioning Station, Standard Operation, TM3, no target, Module move
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| TM#3 with no target has been moved from the north east silo to the conditioning station. |
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Tuesday, September 25, 2018, 07:54, David Wang, Conditioning Station, Repair, TM3, , TM3 is connected for HV test at TCS.
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| water loops are by passed on top. All bias, EE, and EL are tied together. Started water system. |
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Wednesday, September 26, 2018, 07:14, David Wang, Conditioning Station, Repair, TM3, , TM3 HV test at TCS.
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I did a HV test on TM3 at TCS yesterday. HV Ramp up speed: 1KV per 5 minutes when below 30KV,1KV per 10 minutes from 30-36KV. There is no major spark
below36 KV . I could see lots small and big vacuum response on IG1 and PNG2 when conditioning from 30-36 KV, especially when closing to 36
KV. However, At 36.4 KV, There is a big continuous spark occurred. It could not be stopped until I lowed the HV to 14KV. I have to ramp up from 14 |
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Thursday, September 27, 2018, 13:58, Travis Cave, Conditioning Station, Standard Operation, TM3, no target, Module move
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| TM#3 has been moved from the conditioning station to the centre east silo. This will be its new home after the silo switcher-roo. |
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Tuesday, October 09, 2018, 12:32, David Wang, Conditioning Station, Repair, TM4, , TM4 steers 4 pin feedthrough CF flange
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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.
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Wednesday, October 10, 2018, 10:50, Travis Cave, Conditioning Station, Standard Operation, TM4, Ta#57, Electrical Check
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| The various electrical check done on TM#4 after the UC run and before the start of the Ta run. |
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Friday, October 26, 2018, 09:44, Travis Cave, Conditioning Station, Standard Operation, , , Exit Module moved
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| The west exit #2 module has been moved from the south hot cell to the conditioning station. |
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Monday, October 29, 2018, 10:43, David Wang, Conditioning Station, Repair, , , ITW exit 2 leak check at TCS.
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I did a leak check this morning on exit 2 module at TCS. LD base leak rate is 4.00XE-9atm.cc/sec, Base pressure is 0.00 X E-4 torr. All seals,
bellows, and flanges are checked. The new FC5 bellow is good. There is a big leak up to 2X E-6 atm.c/sec has been found on IG1S side panel . The panel
itself will be replaced this time. Machine shop is working on it.. Two small leaks in E-9 atm.cc/sec range have been found on the o-ring |
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Wednesday, October 31, 2018, 14:20, Travis Cave, Conditioning Station, Standard Operation, TM2, UC#25, Module move
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| TM#2 with UC#25 has been moved from the south hot cell to the conditioning station. |
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