 Tuesday, June 12, 2018, 11:26, chad fisher, South Hot-Cell, Repair, TM2, , TM4 Optics Tray 
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| I have "slung" the TM4 optics tray in preparation for its removal. |
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Friday, June 22, 2018, 13:59, chad fisher, South Hot-Cell, Repair, , , Soth Hot Cell Fields
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Field measurements have been taken to determine the level before entry for repair of manipulators.
Field on contact at manipulator is 560 uSv/h, and at approximately 1/2 meter at table surface 920 uSv\h. |
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Monday, June 25, 2018, 11:31, chad fisher, South Hot-Cell, Standard Operation, , , Fields at Al cover
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| The shield door has been opened and fields measured at 77 uSv/h on contact at the AL. panel. |
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Tuesday, June 26, 2018, 08:56, chad fisher, South Hot-Cell, Standard Operation, , , South Hot Cell Fields
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| hot items have been moved and shielded as much as possible. Field at left manipulator has been reduced from 560 uSv/h to 85 uSv/h. |
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Friday, June 29, 2018, 10:12, chad fisher, South Hot-Cell, Maintenance, , , Manipulator Tong Cable Replacement
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Tuesday, June 26 the broken tong cable was replaced on the west manipulator in the south hot cell. Wednesday the tong cable was preemptively replaced
on the east manipulator of the south hot cell. |
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Friday, June 29, 2018, 10:15, chad fisher, South Hot-Cell, Standard Operation, TM2, , TM2 work and target install
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On Thursday, June 29th the containment box of TM2 was removed and the optics tray re-installed and reconnected. The box was then re-installed.
Friday the window waterlines were leak checked, Nb target installed (with new fasteners, high current torqued to 130 in*lbs) target leak and electrical
checked and containment box cover installed with new fasteners. |
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Friday, June 29, 2018, 10:27, chad fisher, South Hot-Cell, Maintenance, , , South Hot Cell Filter Change
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At the end of manipulator repair Thursday the ventilation pre-filter in the hot cell was changed. Old filter remains in the hot cell until such time
as it can be removed. |
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Wednesday, July 18, 2018, 14:20, chad fisher, South Hot-Cell, Standard Operation, TM4, Ta#56, Ta#56 Installed
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Ta#56 has been installed onto TM4 with new fasteners. High current fasteners torqued to 130 in lbs.
RIB "shield" has been removed in preparation for insertion of new optics tray. |
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Thursday, July 19, 2018, 09:17, chad fisher, South Hot-Cell, Repair, TM4, , New Optics Tray Modification
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| The waterline loop bracket has been installed onto the new loop holding bracket and both installed onto the new source tray. |
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Tuesday, September 25, 2018, 08:01, chad fisher, South Hot-Cell, Standard Operation, TM2, nSiC#1, nSiC#1 install
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On September 18th installation of nSiC#1 was attempted on TM2. As usual, new fasteners were tested previous to insertion into hot cell and employed during
installation. the last fastener to be installed was for the circuit D block. The fastener/air ratchet stalled immediately indicating a problem. The fastener
was removed and a an attempt was made trying a new spare fastener. That fastener also jammed right away but could not be removed or installed any further. |
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Tuesday, September 25, 2018, 08:48, chad fisher, South Hot-Cell, Maintenance, , , Window leak and torque
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The south hot cell window has been found to be leaking oil. Upon inspection yesterday I found that the bolts compressing the gasket on the cold side
were "loose". I have re-torqued them to the specification provided by the manufacturer in the attached procedure. |
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Tuesday, October 23, 2018, 10:53, chad fisher, South Hot-Cell, Repair, , , Exit 2 East
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Cover 1 was removed from the exit module. Confirmed with David that the actuator rod that needed to be disconnected was the far left )as viewed by the
hot cell operator). The fastener for this rod was un-accessible from this side. Cover 1 was re-installed (two bolts left loose) and cover 2 was removed.
fastener holding the actuator together was removed and luckily it does have a remote start. |
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Thursday, October 25, 2018, 11:03, chad fisher, South Hot-Cell, Repair, , , Exit 2 West 8x
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| Actuator arms, lemos, lemos and banana plug block have been disconnected in preparation for raising of the service tray. Aaron has pictures |
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Thursday, November 08, 2018, 09:27, chad fisher, South Hot-Cell, Maintenance, , , South East Manipulator cable replacement
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The handle cable on the east manipulator of the south hot cell has been replaced. Old cable showed signs of wear but had no broken strands. Manipulator
is back together but still needs to be re-tensioned. |
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Monday, November 26, 2018, 12:19, chad fisher, North Hot-Cell, Repair, , , East Manipulator
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In preparation for removing the slave for replacement I discovered that the timing screw in the handle cable drum (master side) had been left threaded
into the pulley...it should have been completely removed. It was bent from hitting on a casting inside the mater arm which most likely contributed to the
hopped pulleys on the slave side. After removing this timing screw I entered the north hot cell and replaced the hopped cable back onto its pulley and |
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Tuesday, November 27, 2018, 13:31, chad fisher, South Hot-Cell, Standard Operation, TM4, Ta#57, Ta#57 removal
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| Ta#57 has been removed from TM4. |
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Friday, December 07, 2018, 08:47, chad fisher, North Hot-Cell, Repair, , , North hot cell spare slave repair
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The tong cable on the spare north hot cell slave has been repaired. Slave came from the factory with the tong cables straddling one of the pulleys they
are suppose to run through.
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Friday, December 07, 2018, 10:37, chad fisher, North Hot-Cell, Repair, , , Ariel connector test
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Completed testing of connectors for Ariel using the north hot cell.
Video can be found on docushare; document 161909 |
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Tuesday, February 19, 2019, 10:20, chad fisher, South Hot-Cell, Repair, TM2, , Containment box removed
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| Containment box has been removed from TM2 in preparation for source tray removal. I will walk Aaron through removal of the optics tray today also. |
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Tuesday, February 19, 2019, 11:56, chad fisher, South Hot-Cell, Repair, TM2, , Optics tray removal
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| Aaron has removed the optics tray in TM2 in preparation for source tray removal. |
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