 Wednesday, July 17, 2013, 08:29, David Wang, Conditioning Station, Development, TM3, , TM3 leak check in CS without source tray.
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Leak checked TM3 without source tray in CS this morning. The CS and TM3 vacuum: IG1(top of the TM3 service cap)4.9x E-7Torr, IG2(diagnostic box
primary)1.9XE-6 Torr. IG1S (secondary vessel)7.9X E-7Torr. The leak detector was at 0.0XE-4 torr and 0.0XE-9 atm.cc/sec level during the leak checked.
All water lines quick connector fittings, NPT thread fittings, water cap seals, blue insulator seals, bellow, gauges seals, turbo-pumps, all blanket panels,and |
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Wednesday, July 17, 2013, 10:10, David Wang, Conditioning Station, Development, TM3, , CS cooling and vacuum system have been turned off
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| CS water cooling and vacuum system have been turned off at 10:00 AM this morning.The TM3 will be disconnected and moved to silo tomorrow morning. |
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Thursday, July 18, 2013, 10:08, Travis Cave, Conditioning Station, Standard Operation, TM3, no target, module move
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| TM#3 with no target and no source tray has been moved from the conditioning station to the north east silo, move went well. |
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Monday, July 22, 2013, 15:52, Bevan Moss, Conditioning Station, Standard Operation, TM3, No Source Tray, HV testing update
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I have fallen behind on the HV testing that has been completed on TM3. Data can be found on docushare in the TM3 Rev 3 folder files are
too large to attach. From the last elog entry the following tests have been completed
July 8 2013 - Long HV conditioning 50kV achieved before sparking caused PS to trip. Was unable to recover to the same voltage |
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Wednesday, August 14, 2013, 11:50, Travis Cave, South Hot-Cell, Maintenance, TM3, , module move
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| TM#3 and its new source tray have been both moved into the south hot cell. |
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Thursday, August 15, 2013, 09:32, chad fisher, South Hot-Cell, Repair, TM3, , TM3 source tray installation status
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The installation of the module side water block jig has been successful.
During initial attempts yesterday afternoon,
installation of the jig proved, as expected to be extremely difficult. This was primarily due a poorly position water block from a previous repair were |
Wednesday, August 21, 2013, 20:36, Grant Minor, South Hot-Cell, Repair, TM3, , TM3 module-side water block sealing surface inspection (post polishing) 
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The water block sealing surfaces on the module-side of TM3 were polished this week by Chad Fisher, using his air-ratchet controlled rotating head tools
(single and double-surface polishing tools).
Photos of the polishing tools in-use are attached (from August 16 - 21, 2013) |
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Thursday, August 22, 2013, 19:38, Grant Minor, South Hot-Cell, Repair, TM3, , TM3 Rev 3 source tray - water blocks connected and torqued 6x
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After a great struggle with the water block jigs, the TM3 source tray was finally advanced fully into the service tray and all water blocks were connected
and torqued to spec in the hot cell by Chad Fisher.
Notes and description of problems encountered during the installation: |
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Friday, August 23, 2013, 18:32, Grant Minor, South Hot-Cell, Repair, TM3, , TM3 Rev 3 - steerer wire broken from connector on module side
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While continuing on the TM3 Rev 3 source tray installation, Chad noticed today that one of the steerer wires is broken and has come out of the thermocouple-style
connecter block (see attached photos).
From drawing ITA2826 (Rev D02 attached) it is likely that this is for either the "upper" or "right side" steerer plate. |
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Monday, August 26, 2013, 18:22, Grant Minor, South Hot-Cell, Repair, TM3, , TM3 Rev 3 - all connetions made except steerers, IMG, and entrance window 8x
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Today Chad finished making all connections to the new source tray, except for:
- steerers - broken wire, must be repaired at a later date
- IMG gauge - bracket required, old bracket thrown out with previous tray by accident, see ITA3301, must be installed at a later date |
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Monday, August 26, 2013, 18:26, Grant Minor, Conditioning Station, Standard Operation, TM3, , TM3 moved from Hot Cell to Conditioning Station
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Target Module 3 with no target, and a partially-installed Rev-3 source tray (no steerers connected, no IMG connected, entrance window lines blanked off
on module side and not connected to containment box) was transported successfully to the Conditioning Station by Travis Cave and David Wang at around 4pm
today. David attached the vacuum system for start of pump-down to prepare for leak checking. |
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Tuesday, August 27, 2013, 17:18, Grant Minor, Conditioning Station, Repair, TM3, no target, TM3 Rev 3 source tray - prelminary leak check results at CS
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David Wang started a helium leak check on TM3 at the CS this morning.
David will create an e-log once his check is complete, but here are the preliminary results:
- target oven +/- OK |
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Wednesday, August 28, 2013, 14:25, 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 conditioning station to the south hot cell. The fields observed around the containment box of the module
ranged from 0.80 mSv/hr to 1.8mSv/hr.. |
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Thursday, August 29, 2013, 06:48, David Wang, Conditioning Station, Development, TM3, , TM3 leak check in CS with new source tray.
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A huge leak had been found on HS circuit during 60 psi helium pressurize test. Other circuits are free of obvious major leak at present .We will test
them again once the TM3 is back to CS. See attachment for details |
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Thursday, August 29, 2013, 09:08, chad fisher, South Hot-Cell, Repair, TM3, , Heat Shield Circuit Leak
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The heat shield circuit was pressurized with air (15-20 psi) and snoop applied to the water block joint and brazes. Bubbles formed at the joint between
the two water blocks indicating that the leak is a c seal problem. Pictures attached but also on docushare Collection-11285. |
 Thursday, August 29, 2013, 10:09, Bevan Moss, South Hot-Cell, Repair, TM3, , Heat Shield Circuit Leak
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chad fisher wrote:
The heat shield circuit was pressurized with air (15-20 psi) and snoop applied to the water block joint |
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Thursday, August 29, 2013, 12:03, Grant Minor, South Hot-Cell, Repair, TM3, no target, Heat Shield Circuit Leak
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Bevan Moss wrote:
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Thursday, August 29, 2013, 17:16, Bevan Moss, South Hot-Cell, Repair, TM3, N/A, Heat Shield Repair
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Today Chad entered the south hot cell on work permit 2013-08-29-3 to repair the leaking heat shield line. The heat shield line was removed from
the module and the surfaces cleaned. New C seals and spring were inserted and the line re-attached. During this time Chad also installed the new vacuum
gauge. Grant took video of this work and Keith some pictures. The video and pictures can be found on the M: drive (groups) in the RH folder. The total |
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Friday, August 30, 2013, 10:27, Bevan Moss, South Hot-Cell, Repair, TM3, N/A, Heat Shield Repair
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Bevan Moss wrote:
Today Chad entered the south hot cell on work permit 2013-08-29-3 to repair the leaking heat shield |
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Friday, August 30, 2013, 14:55, Bevan Moss, South Hot-Cell, Repair, TM3, N/A, Heat Shield Repair
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Bevan Moss wrote:
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