20181003

Today's activities

Workers: Akutsu, K. Nagano, Aritomi K. Tanaka, Kita

Delivered an oplev pylon.
Delivered a K400 flange (VN7877 by Mirapro), which had been washed at Mirapro.
Checked the polarity of LVDTs and actuator coils, and compared with the one measured in Mitaka shown [[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/subgroup/AOS/TMS-VIS0|here].

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

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!!!!