Tuesday, April 23, 2013, 16:11, Bevan Moss, Conditioning Station, Maintenance, TM3, N/A, Chiller Fault 2
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During Testing it was noticed that Fault 2 was indicated and one of the compressors would not run. Fault 2 does not indicate what the issue was and during inspection nothing could be detected. It had something to do with TCS:CHILCP3 and possibly CP2. CP1 could still be operated and was controlled manually to keep the temperature in the correct range. This was not required but it does affect the conductivity. The main power switch on the chiller unit was turned on and off and the fault was cleared. As far as I know this indicated either a freeze protect, flow, or refrigerant pressure fault. I will ask for TCS:TS6 and TCS:DIF2 to be added to the archiver so this can be further investigated in the future. |
Tuesday, April 23, 2013, 15:59, Bevan Moss, Conditioning Station, Standard Operation, TM3, N/A, Systems off
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Both the Cooling Package and Vacuum have been turned off in preparation for the module move tomorrow |
Tuesday, April 23, 2013, 15:52, Bevan Moss, Conditioning Station, Standard Operation, TM3, N/A, Further HV Testing
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Further HV testing was completed today from ~2:00 until 3:00. The resistivity of the water was 11.7 - 12.7 Mohm. The EE was turned on to 1500 V and had a leakage current of 1.465 mA with a inline and ballast resister of 20 kohm and 1 Mohm respectively. In addition to this all of the CB were turned on to 500V. The voltage on the source tray with all bias items tied together and the voltage was then raised to 30kV in 5kV steps. It was then raised until 37kV in 1kV step at which point the first spark was detected. Steps were then reduced to 500V until 39.5kV was achieved. Sparking was noticed when stepping up from one voltage to the next and steps were reduced to 100V. At 39.7 kV there were several sparks and the voltage was held for 8 minutes until there had been at least 4 minutes since the last spark. Voltage was increased to 41.2 kV at 292.97 uA when a spark caused the HVCLTBHT paddle wheel flow sensor to trip. Flow was affected but the interlock was tripped due to noise and as a result the BIAS and EE voltage dropped to zero. At this point the required data had been collected and it was decided to shut the station down. RGA scans were taken during the test and are attached. The edited data with graphs is attached in the excel folder. PNG1 was not monitored as it has failed.
The rga application is available at
http://www.thinksrs.com/downloads/soft.htm
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Monday, April 22, 2013, 11:35, Bevan Moss, Conditioning Station, Repair, TM3, N/A, TCS:DIF2 broken
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The flow meter on the primary side (TCS:DIF2) of the conditioning station is broken. I investigated and there is flow, the gauge is not fouled, and the PLC does read back when current supplied. The gauge is also reciving 24V but the output is 0V and 0mA. I will contact ESC and the supplier. |
Monday, April 22, 2013, 11:31, Bevan Moss, Conditioning Station, Standard Operation, TM3, N/A, Cooling Package Started
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Cooling Package was started at 9:25 this morning inlet conductivity is 0.08 Mohm at 22.9C. Resistance reached 5.33 Mohm by 11:30 |
Monday, April 22, 2013, 09:33, David Wang, Conditioning Station, Repair, TM3, , Leak check TM3 at conditioning station
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TM3 leak check at conditioning station without target: TM3 all air to vacuum seals have been leak checked . They are all good. Water lines TAR(+-), TUBE(+-), GAS, MSP , COIL2(+-), EE, HS(1,2) , GE,and WINDOW have been helium pressurized to 70 psi for 2 minutes each . No response had been found on leak detector. They are leak tight.. Leak detector BR 0.0xE-9atm.cc/sec, BP 0.0xE-4 torr. TM3 and CS vacuum: PNG15.2xE-6 torr, IG1 8.8xE-7 torr,IG2 2.8xE-6torr, IG1S 1.3xE-6 torr. |
Friday, April 19, 2013, 13:32, Bevan Moss, Conditioning Station, Standard Operation, TM3, N/A, Turbo Pumps Started
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Both Turbo Pumps are now operational. |
Friday, April 19, 2013, 15:25, Bevan Moss, Conditioning Station, Standard Operation, TM3, N/A, Turbo Pumps Started
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Bevan Moss wrote: |
Both Turbo Pumps are now operational.
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Turbo pumps 1 and 2 both found randomly off, have been restarted |
Friday, April 19, 2013, 10:51, Bevan Moss, Conditioning Station, Standard Operation, TM3, N/A, Roughing Started 10:48
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With the Turbo pump replaced I have started roughing at 10:48 |
Friday, April 19, 2013, 10:48, Bevan Moss, Conditioning Station, Maintenance, TM3, N/A, Turbo Pump 2 replaced
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Turbo Pump 2 has been replaced on TM3. I got a count of 350 on the sleeve of my tank suit. |
Friday, April 19, 2013, 10:48, Bevan Moss, Conditioning Station, Maintenance, TM3, N/A, Turbo Pump 2 replaced
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Turbo Pump 2 has been replaced on TM3. I got a count of 350 on the sleeve of my tank suit. |
Wednesday, April 17, 2013, 15:17, Bevan Moss, Conditioning Station, Standard Operation, TM3, N/A, Turbo Pumps Failed
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Both Turbo pumps on TM3 have failed. They were both attempted to start in soft mode. TP2 could only achieve ~19kpm and TP1 ~10kpm. I have turned off the scroll pump and vented through the turbo pumps. |
Wednesday, April 17, 2013, 10:59, 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 south hot cell to the conditioning station. Move went well. The fields around the module was 1.6mSv/hr. |
Wednesday, April 17, 2013, 10:35, David Wang, ITE, Standard Operation, TM4, , I moved 5 shielding blocks back to ITE.
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5 shielding block had been moved back to ITE. The ITE is configured to take proton beam. |
Wednesday, April 17, 2013, 09:26, Travis Cave, South Hot-Cell, Standard Operation, TM3, no target, Electrical check
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Electrical check was performed on TM#3 with no target nothing was wrong was found, but our megger does not go above 1000 volts so any problems above this value would not be seen, see attached pdf for details.
Also the 55 pin(top) double 9 pin (bottom) connector was tested as well. When it was meggered to 60kV common more then 50% of the lines failed, when those line were identified with a resistance package two were unable to be indentified. The wiring for this double 9 pin connector should be removed to prevent HV problems. New wiring is not physically possible to re-install in its place, see the PDF for the wiring details. |
Wednesday, April 17, 2013, 09:02, chad fisher, South Hot-Cell, Repair, TM3, , TM3 ready for conditioning station
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The heat shield circuit blank offs have been re-installed and front cover replaced. TM3 is ready to move to the conditioning station for testing. |
Tuesday, April 16, 2013, 11:20, chad fisher, South Hot-Cell, Repair, TM3, , TM3 Referb. start
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Front containment box cover has been removed and heat shield circuit blank offs removed in preparation for installation of dummy target.
image #1 - initail view after front panel removal.
image #2 - Heat shield circuit blank offs removed.
Ready for baseline electrical tests and 9 pin cinnector tests. |
Tuesday, April 16, 2013, 11:10, Travis Cave, South Hot-Cell, Standard Operation, TM3, no target, module move
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TM#3 has been moved from the NE Silo to the south hot cell, move went well. |
Monday, April 15, 2013, 11:00, chad fisher, South Hot-Cell, Standard Operation, TM3, , Items for TM3 dummy target installation
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New gaskets and fasteners have been inserted into the south hot cell in preparation for installing the dummy target onto TM3 tomorrow. |
Friday, April 12, 2013, 10:32, David Wang, ITW, Repair, TM1, , ITW EXIT1 tank to module o-ring leak check.
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I leak checked new installed ITW EXIT1 tank to module o-ring.No leak had been found . Also ,TM1 primary vessel air to vacuum seals had been checked at the same time. There was no response had been found on leak detector. |
Friday, April 12, 2013, 10:27, David Wang, ITW, Standard Operation, TM1, , I reconnected TM1 to ITW.
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TM1 has been reconnected in ITW. Water interlock check for TM1 is done. |
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