Target Ta#68 loaded onto TM4 

-leak check passed

-Target electrode conductor screws torqued to 130 in-lbs

-electrical check passed

Containment box cover re-installed 

photo attached 

 TiC#7 Target Removed from TM4. - Photos attached 

TiC#7 Currently sitting in SHC waiting for disposal 

 New target Ta#68 is installed on TM4 and be leak/electric checked. Pls see attachment.

TM4 has been moved from  SMP to SHC. The move is smooth.

 SiC#46 (pail 293) was placed in the vault (spot 3B) on Wednesday the 14^th of August. It was 111 mSv/hr when removed from the south hot cell. See attached PDF for details.

 SiC#46 loaded into pail 293 successfully along with other hotcell waste 

Upon visual inspection of the target, a spark-sign was spotted on the perimeter of the extraction electrode. Metallic looking material also found built up between the extraction electrode and the backing plate of the target 

Photo attached 

TM2 with Ta#target has been moved from SHC to ITE. the move is smooth.

 TM2 with new target Ta#67 was connected in ITE, all TP are running at their full speed now.

 TM2 with new target Ta#67 had been electric/leak checked before moving to ITE. See attachment pls.

 Ta#67 Target loaded onto TM2

Leak check passed

Electrical test passed after loosening off target electrode conductor screws, and torqueing by feel 

With the new TiC#8 target installed on TM3, there was a ~7kOhm connection between TGHT/TBHT (A/B/C/D) and HV common. The standard electrical check on the module showed standard values, so it was assumed the problem was inside the target.

Started removing bolts/water connections one by one to see if any of them had an effect on the measurement. Found that disconnecting the multipin on the target from the mating connector on the source tray resolved the issue. Determined that the only way this could happen is if a spark cut through the insulation covering the multipin wires. Because of the way they are routed, they can touch the water lines and they are definitely touching waterline C, TBHT-. We do not typically check continuity of multipins to all water lines, just to HVC, so did not see this in the standard electrical check. Measurements verified that pin 2-4 was touching water line C, creating a short from TGHT/TBHT to HV common when the multipin connector is attached, since the pins are shorted to HVC inside the connector when they are not used.

Issue was solved by removing the target into the ante room, removing connector 1 all together since it was not used, and removing the grounding on the other pins, leaving only pin 2-2 connected for the anode.

In future we will change the IGLIS wiring so pin 2-4 is not used, and redesign the cable routing so it cannot touch the blocks. For the immediate term, we will add to the electrical check a check of each pin to TBHT/TGHT/COIL.

TM3 has been connected in ITW. See attachment for checklist.

With TiC # 8 installed, TM3 has been moved from SHc to ITW. The move is smooth.

Tm4 has been moved from ITW to SMP. the move is successful.

 TM3 with replaced target TiC#8 has been checked on SHC before moving to ITW. Pls see attachment

 TM4 with spent target TiC#7 (dead) was disconnected in ITW and ready to move to TCS.

ABCD is short to 60KV bias. Othjer are ok.  see attachment.

Found afterwards that this short was due to sparking through the multipin wire insulation where the wires pass behind the TBHT block "C". See fault 17265.

Tm3 was moved from ITE to TCS this Tuesday, then to SHC  this morning. Both moves are successful.

 TM3 with spent target SiC#46 was disconnected in ITE and ready to move to TCS soon.

 5 shielding blocks have been transferred from ITE to ITW. MAA is secured again after moving.