2019/5/14(Tue.)
Schedule
5/14: RT PC maintenance -> go to safe mode for all VIS connected Dolphin (BS, )
- 5/20-24: Exchanging cryo valves.
- Center
4/12: Pump down
4/29,30: Leak check
~5/3: Vent and pumpdown
5/9: leak check
- ITMX:
4/2~: closing chamber and start pumping down.
4/10: Cooling starts.
5/8: Cooling done
- Xend
4/25: Pumpdown
5/2: leak check
5/2: Cooling start
- Yend
4/4~: closing chamber and start pumping down.
4/10: Cooling starts.
5/8: Cooling done
- April: Measurement of TF, payload diagonalization on ITMX
- End of April~: Y arm commissioning
- ~End of May: FPMI commissioning
Note
Night work
Weekend
Report of work
- Height adsustment: Target is ITMY 6mm upper, ITMX 5mm lower.
- One of the stepping motor did not work. It will be checked today.
- ITMY adjustment was done. ITMX height changed ~2mm.
- ETMY cables to coil was checked. It was found that One of the pair was flipped, and they were swapped.
- COM: After hight adjustment, IFO will be aligned again. Some lock acquisition will be tried again.
DGS: Maintenance will be planned for adding cards to k1omc. -> go to the safe mode for all the dolphin connected VIS.
- In the next week, several other PCs(LSC, ASC, ALS) will have more cards.