2019/4/25(Thur.)
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: vent
4/24: fix oplev mirror
- 4/25: Pumpdown
- 5/2: leak check
- 5/2: 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
- 1pm commissioning meeting will start again.
Night work
- Y arm commissioning, from the control room.
Weekend
Report of work
- ETMX: Oplev mirror at IM was fixed.
- ETMX: Opened hatch and checked the cable for LVDT. Coupling at tower part still exists. It could be cable swapping.
- ITMY: Accelerometer was fixed.
- ITMY: IM actuator did not work. MN will be used for hierarchy control.
- TM actuator had a problem on the circuit. Mechanically it seems to be OK.
- VAC: Cleaning at ETMX is going on.
- ETMX venting started.
- Maintenance was done.
- Replaced k1als0 and k1lsc0.
- Replaced HDD of k1nfs0.
Work plan
- IOO: Some works for shutter this afternoon, for MZ.