Yesterday Aaron, Isaac and Anders inspected the EZL connection from the service chase to the optics tray using the goose neck camera in SHC. No issues or shorts could be identified. Containment box was not removed.

Today David and Anders opened up two panels on the service cap and inspected the EZL connection. No issues or shorts could be identified. Photos available on DocuShare.

Next step will likely be to remove the containment box and inspect the optics tray.

Anders Mjos wrote:

Yesterday Aaron, Isaac and Anders inspected the EZL connection from the service chase to the optics tray using the goose neck camera in SHC. No issues or shorts could be identified. Containment box was not removed. Today David and Anders opened up two panels on the service cap and inspected the EZL connection. No issues or shorts could be identified. Photos available on DocuShare. Next step will likely be to remove the containment box and inspect the optics tray.

The containment box was removed yesterday. One of the main insulators on the source tray had cracked at the rear close to the bolt to the source tray mounting plate (see photos using link above)

Troubleshooting continued this morning with disconnection of the optics tray from the module. The banana plug copper tube connection was removed form the optics tray side. With the connection removed, the measurement showed open line on top of the module indicating that the problem is on the optics tray

 TM#4 with no target and no containment box has been moved from the conditioning station to the south hot cell.

The optics tray has been removed from TM4.

 TM#4 has been moved from the south hot cell to the east target station, and TM#2 has been moved from the south silo to the south hot cell.

TM#2 has been moved from the south hot cell to the conditioning station.

Tray with loop and beam shield has been inserted into the hot cell to be installed on TM4 .

The tray with window waterline loop and EF Shield has been installed into TM4.

 The results of TM#4 with UC#22 electrical check. See attached PDF.

The containment box has been removed from TM2, the Enzel lens and steerers disconnected and optics tray removal has commenced.

 TM#2 has been moved from the conditioning station to the south hot cell.

Tm2 containment box has been re-installed onto TM2.

I have "slung" the TM4 optics tray in preparation for its removal.

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.

The shield door has been opened and fields measured at 77 uSv/h on contact at the AL. panel.

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.

 TM2 has been moved from the silo to the south hot cell.

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.

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.

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.