TM4 was connected in ITE with new target Ta#65 installed. see attachment in detail.

UCx #42 moved from North Hot Cell to Storage Vault in Pail #282. Placed in slot 6B. Tray 6 is now full. Pail measured at 34.9 mSv/h at ~1 m upon removal from the hot cell. See attached updated spreadsheet. 

 TM4 with new target Ta#65 has been E/L checked at NHCPost.

 TM4 with new target Ta#65 has been E/L checked at NHCPost.

  TM4 with spent target UCx#42 has been electric checked at NHCpost right after transferred from ITE.

 TM4 with spent target UCx#42 was disconnected in ITE and has been remote moved to NHC this morning.

 Module was connected yesterday and all turbo pumps are running at their top speed. 

 TM2 with new target Nb#11 replaced has been electric checked one more time in ITW.

 TM2 with new target Nb#11 has been E/L checked sitting on NHC.

 TM2 with target Nb#10 was disconnected in ITW yesterday for beam production issue investigation.

 TiC #6 moved from north hot cell to spent target vault placed in pail #232 put in spot 6A and the field was 151mSv/hr when removed from the north hot cell. See attached PDF for details about spent target vault.

 TM2 with new target Nb#10 was moved to ITW from TCS and re-connected in pit. TPs are running at their full speed. 

PIE on TiC#6 was done in the NHC. The target assembly looked brand new when we took it out, no heating spots or deposits (pictures on docushare). Online we measured a 400kOhm connection between TGHT-TBHT-COIL to HV common (TGHT and COIL shorted in TM2 service tray) and anode was unstable above ~300V. After the module move and before the target removal David found TGHT-TBHT-COIL was a dead short to HV common and the anode was at 39kOhms to HV common.

1. Wanted to see if the TGHT-TBHT-COIL short was on the COIL. Measured with ohmmeter the COIL lines to HS and got about 700Ohms. But with the target lying down the COIL lines drop and touch the heat shield so to do this measurement Chad had to lift the lines, which could cause them to touch something else. So not sure how reliable this measurement was. It jumped around a lot, saw 0L occasionally.

2. Measured both target legs and tantalum gas line to HS, got about 5kOhms repeatedly using the ohmmeter.

3. Meggered across the gas line insulator to the gas line going into the target and got open circuit at 250V, so the gas line wasn't coated.

4. Target container looked vaguely red in the areas where the target material was, otherwise still no deposits on the inside. The container was not overly crystalized as seen on the legs and end caps.

5. Some sparking marks on the EE and some slightly asymmetric deposits

Continuing Aug. 22 2023:

6. Found what looks like a hole in the insulation on the COIL, maybe the cause of our short? Found a corresponding line mark on the copper plates that hold the coil down but not sure if it is related. Pics on docushare.

7. Grid looks perfectly new. Where was that current going?

8. Copper plates that hold coil were loose and bolts that hold coil in just fell out as well.

9. What can be seen of the anode wire looks good.

TM2 Nb#10 has been connect at TCS. TCS water system and vacuum system have been started. Everything looks ok so far. TCS Faraday cage is secured for TM2 conditioning at TCS.

Nb#10 has been installed on TM2 . electrical and leak check on HS line are good. See attachment.

TM2 TiC#6 post run electrical check has been done at TCS. See attachment

TM2 SiC#6 has been disconnected in ITW. See check list

 The cleanup of the ISAC Target Hall crane and installation of the new SICK laser which replaced the IBEO laser for the EW crane position was completed on Aug 03 2023.

The clean up tasks which were completed: (Removal of tape viewing camera, Removal of tape, Installation of extension cord, Consolidation of power supplies for the lasers and removal of old laser) 

Currently power bar is still present to act as an extension cable. This will be removed when 2m extension cord is made and put in next target exchange cycle.
   

The installation and testing of new SICK Laser:

1. Calibration points were taken at the 4 corner limits of the crane. North South and East West positions were recorded.

2. Crane was parked at the ladder access position and mounting bracket was machined and installed.

3. A new cable was made and installed for the SICK laser. Continuity test was performed from the control room and crane to ensure pinout of the laser worked with existing serial communication setup in the control room PC.

4. The feedback values from the new SICK laser and old IBEO laser were compared to determine that a calibration offset of 0.06m was needed in the Laser Position Feedback program.

5. Laser Position Feedback program was re-compiled to communicate with 2x SICK lasers with the calibration offset value included in the EW feedback position. (Laser Crane PositionDlg.cpp)

6. Calibration points were taken at the 4 corner limits of the crane again with the new Laser. North South and East West positions were recorded.

There was less than 0.1% variance between the new laser and old laser which is well within the tolerance of the lasers themselves. It can be determined that it was properly calibrated.

In an effort to clean up the camera installation on top of the ISAC target hall crane to resolve a fault, the position measuring tape and its associated camera were removed from the target hall crane on July 31, 2023.

Still to do: clean up power bar installation.

The bearings on the mini storage vault were lubricated. It is suspected that this has never been done. It is suggested that this be performed every two years.

A draft procedure will be created for this job, but at a high level, this process involves:

• Opening the door fully
• Disconnection of the motor, limit switches, and cable management system
• Attachment of a lifting magnet to the door itself
• Raising the door
• Lubricating bearings
• Reversing the process to re-assemble

The entire job took less than 1 hour to complete.