=== 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.