 Tuesday, September 01, 2015, 06:25, David Wang, Conditioning Station, Standard Operation, TM2, ZrC, Argon venting TM2 at CS
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Argon venting TM2 at CS. |
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Tuesday, September 01, 2015, 16:55, Anders Mjos, Conditioning Station, Maintenance, , , TBHT power supply remvoed
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The power supply is needed as a spare for the failed TGHT p/s in ITW |
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Friday, September 11, 2015, 14:31, Anders Mjos, Conditioning Station, Maintenance, TM2, ZrC#7, Vacuum gauge and EPICS read back calibration
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The corelation betwenn the local value on the gauge controllers and the read back valiues in EPICS was compared. Data can be found in a previous e-log |
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Wednesday, September 23, 2015, 08:38, Travis Cave, Conditioning Station, Standard Operation, TM4, Ta#46, Module moved
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TM#4 with Ta#46 has been moved from the south hot cell to the conditioning station. |
Wednesday, September 23, 2015, 13:56, Travis Cave, Conditioning Station, Standard Operation, TM4, Ta#46, Electrical Check 
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TM#4 electrical check at the conditioning station with Ta#46 target. |
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Wednesday, September 23, 2015, 14:32, David Wang, Conditioning Station, Standard Operation, TM4, Ta#45, Helium pressure test on TM4 HS line at CS
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Helium pressure test HS line at CS with 70 psi for 2 minutes. Base leak rate 0.0xE-9atm.cc/sec. No response. The line is leak tight. |
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Wednesday, September 23, 2015, 14:35, David Wang, Conditioning Station, Standard Operation, TM4, Ta#46, TM4 has been connected at CS
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TM4 has been connected at CS. Turbo- pumps and water system are started and running . The HV cover has been installed on the module. Everything is good so far. |
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Thursday, September 24, 2015, 07:00, David Wang, Conditioning Station, Maintenance, TM4, Ta#46, Turned off TCS all vacuum pumps and water pumps.
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TCS:MP1 back up pressure went up too high (700mtorr).I turned off all the pumps.The TCS is under vacuum still. TCS water package cooling fans showed error on control page.The water pumps are stopped also.
Restarted the vacuum pumps 40 minutes after stopping. Everything is back to normal. The MP1 back up pressure need to be monitored frequently before we have a final solution on this issue.
Reset the CS cooling package on roof and restarted the water pumps. The system is running good so far. |
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Thursday, September 24, 2015, 14:59, Friedhelm Ames, Conditioning Station, Standard Operation, TM4, Ta#46, start high voltage conditioning
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Friday, September 25, 2015, 07:56, David Wang, Conditioning Station, Standard Operation, , , Target Hall schedule from Sep 08th 2015 to Dec 25th 2015
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weekly update see attachment |
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Monday, September 28, 2015, 10:10, David Wang, Conditioning Station, Standard Operation, TM4, Ta#46, Switched off CS vacuum pumps and water system
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I switched off CS vacuum pumps and water system after Isac opps finished the TM4 conditioning at CS. |
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Monday, October 05, 2015, 10:19, Anders Mjos, Conditioning Station, Maintenance, , , Chiller maintenance
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will be performed Tuesday October 6th
Tuesday, October 06, 2015: Maintenance re-schedlued for Wednesday October 7th |
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Tuesday, October 13, 2015, 10:53, David Wang, Conditioning Station, Standard Operation, , , Target Hall schedule from Sep 08th 2015 to Dec 25th 2015
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Weekly update schedule. TM3 evaluation schedule in Nov is added.
update the schedule after the cancellation of TM2 from SHC to CS trip.see attachments 3,4 |
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Thursday, November 05, 2015, 09:57, Travis Cave, Conditioning Station, Maintenance, TM3, no target, Module moved
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TM#3 has been moved from the north west silo to the conditioning station. |
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Friday, November 06, 2015, 14:36, Anders Mjos, Conditioning Station, Development, TM3, FEBIAD test target, Testing TM3
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Friday, November 06, 2015, 14:35: Roughing
Turbos was started around 4pm. Later it was found that the manual valve for the two turbo pumps on the service cap was closed. The valve was open and pumping resumed. The roughing vacuum was high and increased into Saturday morning. The vacuum system was switched off on Saturday.
Purged MP1 using the purging function. Performance recovered. Started rouging.
Monday, November 09, 2015, 09:18: Started TP1S
Monday, November 09, 2015, 09:22: Started TP1 and TP2
Monday, November 09, 2015, 09:33: All 3 turbos at speed
Leak found on F/T for multipin connector
Tuesday, November 10, 2015, 09:53: stopped turbos |
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Friday, November 06, 2015, 14:44, Anders Mjos, Conditioning Station, Repair, TM3, , O-rings replaced on service cap
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O-rings were replaced on the service cap by Anders, Maico, Aurelia and Keith under work permit I2015-11-05-5
One of the wires for the steerers had come loose and was reattached by Maico. Photo on DocuShare
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Monday, November 09, 2015, 16:47, Anders Mjos, Conditioning Station, Maintenance, TM3, FEBIAD Test Target, Leak check of Service Cap
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Service cap leak checked this afternoon. Found multiple leaks of 10E-8 to 10E-7 range. Connected to the backing line with IG1 at ~4E-6 T, CG1A around 40 mT. Got responses around large round flange on top, rectangular side panels, water f/t on GND and water f/t on HV. Will resume leak checking tomorrow to attempt to pinpoint sources of leak more accurately. |
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Tuesday, November 10, 2015, 10:23, Anders Mjos, Conditioning Station, Maintenance, TM3, , Air to vacuum leak on service cap
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Conducted a more thorough leak check this morning with Edi. He found a leak on the base of the blue F/T insulator for the multi-pin connector (see attachment). I discovered that all the bolts could rotate freely in the threads as they were too small. The bolts were replaced. The leak rate was reduced but still significant. The o-ring will likely need to be replaced.
Tuesday, November 10, 2015, 17:00: Could not find new o-ring. Cleaned groove and o-ring and applied o-ring grease. Re-attached F/T. |
 Tuesday, November 10, 2015, 16:53, Anders Mjos, Conditioning Station, Development, TM3, FEBIAD test target, Testing TM3
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Tuesday, November 10, 2015, 16:53: Roughing
Tuesday, November 10, 2015, 18:24: TP1S started
Tuesday, November 10, 2015, 18:30: TP1 and TP2 started
Tuesday, November 10, 2015, 18:41: All 3 turbos at speed.
Thursday, November 12, 2015, 08:30: Purged backing pump using purging function. Vacuum in backing line recovered to previous value.
Module connected for HV testing. No target heating possible. All F/Ts tied together to HV common. EZL connected.
Friday, November 13, 2015, 11:20: Started water package
Friday, November 13, 2015, 11:52: 1kV on BIAS and 1 kV on EL
Friday, November 13, 2015, 12:54: BIAS/EL 10 / 5 kV
Friday, November 13, 2015, 12:59: BIAS/EL 15 / 7.5 kV
Friday, November 13, 2015, 13:04: BIAS/EL 20 / 10 kV
Friday, November 13, 2015, 13:08 : BIAS/EL 22 / 11 kV. Some sparks.
Friday, November 13, 2015, 13:17: Sparking at 22.5 kV. Had to return to 20 kV to recover. Back at 22.5
Friday, November 13, 2015, 13:21 : BIAS/EL 24 / 12 kV.
Friday, November 13, 2015, 13:27: Heavy spakring around 24.5 kV. Had to return to 20 kV to recover.
Friday, November 13, 2015, 13:31: Attempted to increase voltage again. Sparking started around 23 kV. Had to lower to 20 kV.
Friday, November 13, 2015, 13:36: 9 sparks for the last 5 min.
Friday, November 13, 2015, 13:45: Spark rate reduced, but multiple sparks encountered again at 20.5 kV. Reduced back to 20 kV
Friday, November 13, 2015, 13:50: Increased sparking at 20 kV. Had to lower to 18 kV
Friday, November 13, 2015, 14:07: Back at 20 kV
Friday, November 13, 2015, 14:13: BIAS and EL off
Monday, November 16, 2015, 08:18: Fault on chiller. Reset chiller unit on the roof. |
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Thursday, November 12, 2015, 10:18, Anders Mjos, Conditioning Station, Maintenance, TM3, , Air to vacuum leak on service cap
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| Anders Mjos wrote: |
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Conducted a more thorough leak check this morning with Edi. He found a leak on the base of the blue F/T insulator for the multi-pin connector (see attachment). I discovered that all the bolts could rotate freely in the threads as they were too small. The bolts were replaced. The leak rate was reduced but still significant. The o-ring will likely need to be replaced.
Tuesday, November 10, 2015, 17:00: Could not find new o-ring. Cleaned groove and o-ring and applied o-ring grease. Re-attached F/T.
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Tuesday
Steerer wire had disconnected again. See DocuShare for photos.
Thursday, November 12, 2015
Leak checked the fixed F/T and the panel for steeerers. No leaks found. |
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