20180928

• http://klog.icrr.u-tokyo.ac.jp/osl/?r=6352

Today's activities

Workers: Akutsu, Uraguchi, K. Nagano, Hasegawa, K. Tanaka, Kita

• Put tags to cables partially.
• Confirmed all signals could be seen in digital system.
• Confirmed vertical actuation coils worked well.
  • Although Nagano said "horizontal" coils were checked, it was wrong. It was found that cable of vertical and horizontal coils were flipped.
• Delivered mirror (three 1-inch Green Steering mirrors) were put on the desiccator.
• Installed BRT on TMS-VIS (would be reported by Akutsu-san?)
• We confirmed Green beam was reduced by BRT properly. Also, we could see the shadow of PDA100A which was placed in front of ETMX.

Next plan

• Connect the cables to flanges.
• Configure the digital models properly.
  • Engage the logical channels and the assigned physical channels.
• Install BRT on TMS-VIS.

• Clean the sides of the optics to be installed into the vacuum chamber. (Ethanol+Acetone wiping with vectra alpha, then First Contact.) See here.

• Detach the remaining white tapes just before closing the chamber; be noted that there are white tapes on the PEEK connectors at the inside of the flanges.
• Torque completely the bolts which are fixing the upper and the lower base plates.
• Insert metal gaskets before torquing the ICF203 flanges with Dsub connectors.
• Make clean the cabling... ask to VIS??
• Check horizontal actuation
• Calibrate LVDT again
• Put calibration factor of Geophones
• Install Tome-Kanagu for Dsub in DAC0 port #4
• Put tags to cables
• Align BRT
• Start to install GPT part
• Damping of TMS-VIS

Wanted!

• Tester!! lend from DGS or PEM??
• M8 eyebolts for managing the dummy weight plates...
• First contact to clean the side diameter of the optics.
• Need a signal generator for LVDTs
• A document for learning how to release or fix the suspended tables (by Uraguchi?).
• Cable tags
• IR mirrors (4 PYD-20, 3 PYD-10)
• Tome-Kanagu for Dsub
• Power taps
• ONE DAC PORT!!!!