2019/4/17(Wed.)
Schedule
- Center
3/25: Venting
3/27-4/9: Fixing PR2 or others
4/4 -4/5: Gluing
4/8: alignment check
4/8-10: OSEM adjustment
4/10: alignment check
4/11: VIS final health check
4/11-12: Closing
4/12: Pump down
- 4/29,30: Leak check
- ITMX:
3/19: Cooling stop
3/25: Venting start
3/27: Opning chamber
3/27~: Fixing thermal touch
4/2~: closing chamber and start pumping down
4/10: Cooling starts.
- Xend
3/25: closing and pump down
4/8: Leak check
4/9-10: venting
4/11: Exchange a broken LED for Photo sensor
4/12: closing chamber and start pumping down
- 4/22: Leak check
- 4/22: Cooling start
- Yend
3/26: Venting start
3/28~: Fixing short inside chamber
4/3: Fixing F0 actuator
4/4~: closing chamber and start pumping down.
4/10: Cooling starts.
- April: Measurement of TF, payload diagonalization on ITMX
- End of April~: DRMI commissioning
- End of April~: Y arm commissioning
- ~End of May: FPMI commissioning
Note
- No 1pm Commissioning meeting this week(4/15-19).
Night work
- Alignment (Nakano, Enomoto, Sugimoto, Yokozawa)
Weekend
Report of work
- Type Bp: Based on measurements of TF, PR2 and PR3 looks healthy. PRM needs more time.
- Type A: ETMX may have swapped cable.
- SR3 TF seems to be healthy.
- CRY: ITMY cannot show role resonance. It may have touching. No need to open chamber again.
- MIF: both end gate valves were opened.
- GR reached ETMX.
- GR reached ETMY and confirmed hitting center.
Work plan
- Health check Payload of ETMX will be performed.
- CAL: maintenance ETMX circuit today and tomorrow.