 Thursday, March 05, 2015, 07:17, David Wang, ITW, Standard Operation, , , TH Shut Down Activities Schedule Feb 23th- Apr 15th update 6x
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TH shut down jobs are processing as scheduled this week. Discussed with Don, and we think the jobs scheduled in next week should be processed as we planned.
See attachments for updated schedule.
I updated the schedule today. See attachment 3, 4 for updating. 2015-Mar-10. |
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Thursday, March 05, 2015, 06:44, David Wang, ITE, Maintenance, TM4, , 5 Shielding blocks have been moved to ITE.
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| 5 Shielding blocks have been moved to ITE for next week TM1 move and RPG Radon test. |
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Monday, March 02, 2015, 10:52, David Wang, ITE, Maintenance, TM4, UCx, ITE primary and secondary vacuum vessels leak check.
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Dan and I leak checked ITE primary and secondary vacuum vessels with TM4 in ITE. The leak detector was hooked to ITE TP2 BV2. Leak detector
base leak rate: 0.0xE-09 atm.cc/sec, base pressure: 0.0xE-4 torr. All secondary vacuum vessel seals has been checked(helium spray), and no leak has been
found. On the ITE primary vacuum vessel, we leak checked every thing except the TM4 service cap and water lines inside the TM4. NO leak has been |
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Friday, February 27, 2015, 09:34, chad fisher, South Hot-Cell, Maintenance, , , Hot cell Entry February 25 2015
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See attached report.
Summary:
Radio problems just before entry to cell. Inspection afterwards revealed batteries charge but battery in one radio shorts out after a couple loads/cycles. |
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Thursday, February 26, 2015, 09:22, David Wang, ITW, Standard Operation, , , TH Shut Down Activities Schedule Feb 23th- Mar 25th
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TH shut down activities schedule from Feb 23th-March 25th. The schedule will be updated each week. See attachment 1.
Feb-27-2015: Updated the schedule, and uploaded as PDF file. See attachment 2. |
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Wednesday, February 25, 2015, 10:44, David Wang, ITW, Maintenance, , , 2015 shut dwon ITW water sensor coils and pedal wheels replacement
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| Dan and I replaced pedal wheels and coils on ITW water flow sensors. It is a shut down job we did every two years. See attachment for detail. |
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Monday, February 23, 2015, 12:28, David Wang, ITE, Maintenance, , , 2015 shut down coils and pedal wheels replacement on ITE water flow sensors.
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| Dan and I replaced pedal wheels and coils on ITE water flow sensors. It is a shut down job we did every two years. See attachment for detail. |
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Tuesday, February 17, 2015, 13:07, Anders Mjos, ITW, Development, , , Resistance measured of TGHT and TBHT lines to ITW
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See e-log entry for ITE for details. The copper bars have not been removed. They
can be used for testing the new power supplies.
Local measurement was done by Ray with a voltmeter. The voltmeter was consistent with EPICS readback and local readback on the power supplies. |
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Tuesday, February 17, 2015, 13:06, Anders Mjos, ITE, Development, , , Resistance measured of TGHT and TBHT lines to ITE
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The copper bars was installed by David and Anders. After the measurements were completed, the copper bars were removed.
See photo and attached spread sheet. |
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Monday, February 16, 2015, 11:57, David Wang, Crane, Repair, , , TH crane
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Dave.Morris installed a new battery on crane control PLC board and uploaded the program. Travis, Dan and I tested the crane in local, remote, and test
mode. The crane works fine. Also, the TH lock up has been tested. Everything is good. |
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Thursday, February 12, 2015, 09:11, David Wang, Crane, Repair, TM4, , TH crane troubleshoot and annual inspection.
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Gordon crane technicians continued their troubleshooting on this Tuesday. They found the crane up-limit protection switch which is installed on the same
bracket with the the crane down view camera is broken. The spring inside the limit switch which is used for pushing the action plunge out in the
switch lost its function. This up limit switch is the last protection for the crane so it is set as when it is in action the crane main contact coil |
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Wednesday, February 11, 2015, 13:13, chad fisher, South Hot-Cell, Maintenance, , , New gas bottle storage rack
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The new gas bottle storage rack has been installed by/for the south hot cell.
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Friday, February 06, 2015, 12:27, David Wang, Crane, Repair, , , TH crane troubleshoot
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Gordon crane technician started TH crane trouble shooting this morning. The problem is found that there is no 115VAC power supply to energize a
main coil which is used to switch on 450V AC power supply to crane. He did a test and found the crane could be operated by big yellow pedant
in control room when he manually gave the coil 115VAC power supply to energize it.. At that moment, the crane is set to big yellow pedant operating mode. |
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Friday, February 06, 2015, 08:06, David Wang, Crane, Repair, , , TH crane lost movement controls since last Friday.
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Last Friday, During the crane per use check, I found the main power supply to to crane was shut off. I was told Don and Travis shut off the main
power before Triumf power outage. Travis restored crane main power and I could turn on the main relay on radio pedant in TH. But, I didnt
have all crane main bridge movement controls on TH raido pedant except rotation. I still have all movement controls on small trolley from the radio pedant. |
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Monday, February 02, 2015, 14:06, chad fisher, South Hot-Cell, Repair, TM2, , TM2 Tray build
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Master target jig installed to locate attachment bracket ITA3389 as well as conductor insulator block b (aluminum / for soldering version) and oven conductor
blocks (ITD0353 and 03356).
There were NO ITA6145 fasteners or TGN0076 either. Standard 1/4-20 x 1" fasteners have been used in there place for now. Keith is following |
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Monday, February 02, 2015, 09:59, chad fisher, South Hot-Cell, Repair, TM2, , TM2 Tray Build
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Missing heli coils installed this morning.
Threads had to be chased with tap for 1/4-20 heli coil and missing countersinks hand applied to allow for installation. Care was taken to ensure
no "swarf" was spread and operation was super clean. Chased holes blown out with canned air and a vacuum placed on the other side. |
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Thursday, January 29, 2015, 11:31, chad fisher, South Hot-Cell, Repair, TM2, , TM2 Tray Build
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On Tuesday morning I attempted to complete assembly of the source tray for TM2 however discovered that 3 1/4-20 x 0.25 titanium helicoils had not been
installed into the mounting plate as they should have been. Checked and asked around for them but to no avail. I have ordered some, they should have been
here yesterday. |
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Wednesday, January 28, 2015, 10:42, Anders Mjos, Conditioning Station, Maintenance, TM2, , TCS shut down for site wide power outage
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Monday, January 26, 2015, 09:36, chad fisher, South Hot-Cell, Repair, TM2, , TM2 Tray Alignment
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TM2 tray alignment was confirmed with the alignment tray this morning:
Front target 0.000 vertically, 0.000 horizontally.
Back target 0.003 low, 0.000 horizontally |
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Tuesday, January 20, 2015, 13:45, chad fisher, South Hot-Cell, Repair, TM2, , TM2 Tray Alignment
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TM2 Tray Alignment is complete except for verification with alignment tray.
First attempt results were:
Front Target: Low 0.011, Left 0.011 |
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