 Friday, October 21, 2016, 12:51, chad fisher, South Hot-Cell, Repair, , , Manipulator Repair
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Broken cable has been replaced however a cable has hopped some pulleys inside. After two hours in cell the job was stopped with cables still off pulleys.
Alternate tooling will have to be made and the job will continue Monday. |
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Friday, August 12, 2016, 09:58, chad fisher, South Hot-Cell, Maintenance, , , Manipulator Maitenance
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Disassembled the master side of the right manipulator this morning to check the wrist cable. The cable on the master side shows no sign of wear or fraying
suggesting that the slave side cable may be the item that is wearing. during disassembly of the master I did notice some loose parts that could have been
the source of the audible concern but should not have contributed to the slippage felt in the gripper. I will try and schedule Tuesday for entry into the |
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Thursday, September 10, 2015, 08:59, chad fisher, South Hot-Cell, Repair, , , Manipulator Mait. and field check Sept. 4
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Hot cell was entered for preventative mait. on left manip. field measurements around the cell were taken in prep. for window removal in January and left/south
light bulb changed.
Hottest item in the cell was the conductor block end of the TM4 febiad coil line. It was 70 mSv/H on contact and seemed to be the major source |
Wednesday, February 15, 2017, 12:07, chad fisher, South Hot-Cell, Maintenance, , , Manipulator 'Z' motion cable replacement preparation status 
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Aaron and I completed assembling (re-assembling) the clean spare on Tuesday, February 14th to assist in determining a procedure for replacement of the
'Z' motion cable on the south hot cell manipulators.
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Wednesday, August 03, 2016, 09:15, chad fisher, South Hot-Cell, Repair, , , Manipulator
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East manipulator on the south hot cell is showing signs of eminent wrist/tong cable failure. Some slight slippage was noted yesterday and confirmed by
a snapping sound and more slippage tomorrow. |
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Monday, February 27, 2017, 14:23, chad fisher, South Hot-Cell, Repair, , , Manip. 'Z' motion cable run through
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Aaron and I successfully completed a run through on the procedure to replace the 'Z' motion cable. I will be writing up the procedure for review and
we will be performing more run through-s for practice before the actual job. |
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Friday, July 28, 2023, 10:09, Adam Newsome, Spent Target Vault, Maintenance, , , Main Storage Vault: Bearing Lubrication
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Bearings for the main storage vault door were lubricated on 2023-07-28. It is unknown when this was last done. It is suggested that this be a recurring
maintenance task every two years. |
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Wednesday, September 04, 2013, 18:53, Grant Minor, South Hot-Cell, Repair, TM3, , Maico's measurements of new c-seals and bench-tested c-seals
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Today Maico measured the thickness of three indium-plated inconel c-seals, presumably Ultra-Seal P/N 50606. These seals had NOT been in the Hot
Cell.
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Friday, April 28, 2017, 12:04, Anders Mjos, Conditioning Station, Maintenance, , , MP1 problem
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TCS:MP1 was tripping of intermittently yesterday. It was found by Dave Morris that the current sensor was not set correctly causing the pump on status
to flicker at times. Dave adjusted the settings yesterday. The system should be operational and is currently running normally. |
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Friday, April 21, 2017, 08:19, David Wang, Conditioning Station, Repair, , , Low frequency on TCS TGHT flow sensor.
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Anders and I found a low frequency issue(13hz only) on TCS TGHT flow sensor when doing TM4 conditioning. By trouble shooting, We found the module water
lines are good. the restriction cause this problem in on TCS supply or return water lines to TGHT. I switched TGHT lines with MSP water lines. The
wheel frequency on TGHT is 67.0hz which is pretty high. Now, MSP is using the original TGHT water line(flow sensor frequency 13hz). Flow sensors and |
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Monday, October 03, 2022, 14:58, Matthew Gareau, North Hot-Cell, Repair, TM4, SiC#43 and C#4, Loose multipin guide pin
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Today while I was removing the SiC#43 it was noticed that the multipin guide pin was loose.
This made it difficult to remove the target, and the multipin shoulder bolts removal was required.
With the loose pin it was not possible to attach the multipin for the target C#4. |
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Thursday, May 31, 2018, 14:22, chad fisher, South Hot-Cell, Repair, TM4, , Loop and beam shield
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| Tray with loop and beam shield has been inserted into the hot cell to be installed on TM4 . |
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Thursday, October 17, 2019, 11:49, Travis Cave, Spent Target Vault, Standard Operation, , SiC#31,32 and UC#19,20,21, Loading F-308
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| The targets in the mini storage have been loaded into the F-308. |
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Monday, November 20, 2023, 12:28, Eric Lahe, South Hot-Cell, Maintenance, , , Light Bulb Replacement - South Hot Cell roof lights
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3 light bulbs replaced in the ISAC South Hot Cell - North West light, South west light, and South East light bulbs. Northeast light currently still
working.
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Tuesday, June 23, 2015, 10:55, chad fisher, South Hot-Cell, Repair, , , Left Manipulator Repair
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| The master wrist/tong cable has been replaced on the left manipulator. Everything appears to function well so far. |
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Tuesday, November 24, 2015, 14:02, chad fisher, South Hot-Cell, Repair, , , Left Manip repair
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electronics package on left manip died completely yesterday (it has been going for a while).
Disconnected entire package and replaced with package from "spare" manipulator.
everything is back up and working. |
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Wednesday, May 10, 2017, 13:42, Anders Mjos, Conditioning Station, Repair, , , Leaky gauge at TCS:TS2 (e-fault: 9609)
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| Neil Wong will fix this leak tomorrow Friday. See attached schematics for location. |
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Thursday, October 26, 2017, 09:56, Anders Mjos, ITE, Repair, TM4, SiC#37, Leak on multi pin connector feedthrough
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On maintenance day Tuesday, the roughing of the target station could not go below 1.5 Torr. A brief troubleshooting on Tuesday was unsuccessful in determining
the cause. Leak checking continued on Wednesday by David and Anders. A leak was finally found on the multi pin connector feedthrough due to the seal between
the connector and flange on top of the nylon insulator. Upon re-tightening the connector, the leak could be stopped and the module pumped down to allow |
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Thursday, August 15, 2013, 16:35, Anders Mjos, ITE, Repair, TM4, SiC#29, Leak found on Coil 1
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By pressurizing the water lines with 70 psi helium David
and I detected a major leak on the Coil 1 circuit. The response maxed out on the leak rate on the leak detector and we could also see a pressure increase |
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Friday, October 28, 2011, 14:42, Bevan Moss, South Hot-Cell, Maintenance, TM4, , Leak check on service cap feed through
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After Chad and Davids leak check results from the containment box it was decided to perform a leak check on the feed through stem in the service
cap. This is a known point of failure on TM1 and the same design flaw is likely in TM4. Once the service cap was open a visual inspection was performed
and some oxidization of the copper line on the tube heater (+) circuit was observed (see attached pictures). The leak check was performed with the cart |
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