 Thursday, January 04, 2018, 13:28, Anders Mjos, Conditioning Station, Maintenance, , , Troubleshooting IG1S
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TCS:IG1S is reporting vacuum levels that seem to be too low (1E-10 to 1E-8 Torr). The gauge was connected to the controller for IG1, which showed the same value. A degas was performed for ~5 min. |
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Wednesday, January 17, 2018, 06:51, David Wang, Conditioning Station, Standard Operation, , , Stop TCS vacuum pumps
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I stopped TCS vacuum pumps for coming TM3 move. |
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Wednesday, January 17, 2018, 13:54, David Wang, Conditioning Station, Standard Operation, TM3, , Start TM3 turbo pumps at TCS.
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TM3 turbo-pumps are started at TCS. We will keep pumps running until next Wednesday. |
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Monday, January 22, 2018, 07:47, David Wang, Conditioning Station, Standard Operation, TM3, , Restarted TM3 vacuum sysytem after site power bump
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All TCS and TM3 vacuum pumps are started successfully. |
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Wednesday, January 24, 2018, 13:30, David Wang, Conditioning Station, Standard Operation, TM1, , TM1 has been moved to TCS this morning
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Tm1 has been moved to TCS this morning. All turbo-pumps are started successfully at TCS and TM1. |
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Monday, January 29, 2018, 06:51, David Wang, Conditioning Station, Maintenance, TM1, , TCS and TM1 vacuum pumps switched off
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TCS and Tm1 vacuum pumps are switched off this morning. TM1 TP1and TP2 work fine during this test period. Tm1 will be moved back to silo this morning.
TM1 IG1 stopped work during the test period. It could be broken. We will only replace this gauge if TM1 is used in ITW again. |
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Tuesday, May 15, 2018, 07:44, Travis Cave, Conditioning Station, Standard Operation, TM4, no target, Module move
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TM#4 was moved to the conditioning station from the south hot cell. The module was moved with out the containment box. |
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Tuesday, May 15, 2018, 10:21, David Wang, Conditioning Station, Standard Operation, TM4, , Tm4 water circles helium pressur test result
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Helium pressure test on TM4 water lines is done this morning. 70 psi helim , 1 minutes time to each circle. The result:
A(oven+): 0.00xE-9 atm.cc/sec
B(Oven -): 8.1Xe-7 atm.cc/sec
C(tube -): 0.00xE-9 atm.cc/sec
D(tube+): 1.0xE-5 atm.cc/sec
PQ(coil 2): capped on top. water lines were removed because of leak
RU(Coil1): 0.00xE-9 atm.cc/sec
EE: 0.00xE-9 atm.cc/sec
MSP: 0.00xE-9 atm.cc/sec
HS: No target, capped on top. It was fine on last target check in 2017 Oct.
window: Capped on top. Containment box is not installed.
The leak check on D line caused the IG1 small response during test.
B and D circle are double checked. The reasults are same.
D line leak is in E-5 atm.cc/sec range. It is possible to locate it by using helium spray method in SHC. The containment box is not on so it should be easy to do it.
Switch on IGA gauge at TCS and apply helium and water at certain psi to check the IGA response may give us more information on these leaks.
All lines were test in last year shut down. They were good.
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Thursday, May 17, 2018, 11:30, Anders Mjos, Conditioning Station, Maintenance, TM4, , HV test/conditioning of damaged source tray 
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BIAS only. Water lines looped on top. Containment box off.
Thursday, May 17, 2018, 11:20: Vacuum 7.2E-7 Torr
Thursday, May 17, 2018, 11:30: 10 kV
Thursday, May 17, 2018, 11:42: 20 kV
Thursday, May 17, 2018, 12:14: 25 kV
Thursday, May 17, 2018, 12:35: 30 kV
Thursday, May 17, 2018, 16:13: 35 kV
Thursday, May 17, 2018, 17:339: 37.5 kV
Thursday, May 17, 2018, 17:40: vacuum 6.8E-7 Torr
Thursday, May 17, 2018, 18:13: BIAS off. |
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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
Valve replaced by Curtis today |
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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
Ta+(A) 0.0x e-9atm.cc/sec
Ta-(B) 0.0x e-9atm.cc/sec
Tu-(C) 7.8x e-7 atm.cc/sec
Tu+(D) 3.5x e-7 atm.cc/sec
Coil 2(PU) 0.0x e-9atm.cc/sec
Coil 1(RU) 0.0x e-9atm.cc/sec
EE 8.2 x e-9atm.cc/sec
MSP 0.0x e-9atm.cc/sec
Containment box window 0.0 xe-9atm.cc/sec
HS no target and opened. No test.
All water lines on module side in TM2 should be in good condition according to this test . The leak response we found on B and C lines are from water block seals mostly. |
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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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