 Thursday, June 21, 2012, 14:00, Travis Cave, South Hot-Cell, Repair, TM3, no target, module move
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TM#3 has been moved from the south west silo to the south hot cell for the start of its second refurb/repair. The fields of the module when it was lowed
in was 2msv/hr. |
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Thursday, June 21, 2012, 14:30, chad fisher, South Hot-Cell, Repair, TM3, N/A, TM3 Refurbishment Start
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Started refurb of TM3.
Planned activities:
Inspection |
Thursday, June 21, 2012, 14:33, chad fisher, South Hot-Cell, Repair, TM3, N/A, Pictures TM3 June 21st 8x
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| Here are the pictures from today...there is video too but it is not uploaded yet. |
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Monday, June 25, 2012, 07:53, chad fisher, South Hot-Cell, Repair, TM3, N/A, TM3 Refurb. Work
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On Friday, June 22 the following work was carried out.
Further inspection of the source tray.
Testing of existing tray removal and installation tool...it works fine, there was
just a specific method for proper coupling to the target module. There was no documentation for this tool, so it took a little bit of insight with |
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Tuesday, June 26, 2012, 14:10, David Wang, South Hot-Cell, Repair, TM3, , TM3 heat shield and window circuits leak check is done.
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Chad and i did a leak check on TM3 heat shield and window circuits.Both circuits are pumped easily down to the bottom leak rate and base pressure on
the leak detector. There are two VCR caps on heat shield circuit. Chad sprayed helium on both of them ( tested individually,2 seconds every time
) . There is no response on leakdetecor during 45 seconds waiting time. On window circuit there are 2 VCR joints. Chad sprayed helim on these joints(2seconds |
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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. |
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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. |
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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. |
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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. |
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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, |
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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. |
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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. |
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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. |
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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. |
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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 |
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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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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 |
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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 |
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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. |
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