=== 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.