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ryutaro.takahashi - 17:50 Friday 02 July 2021 (17377) Print this report
Comment to Checked resistance of TF and BF LVDT actuators coil. (17335)

[Takahashi, Sato]

  1. The primary coil of BF LVDT was touching the secondary coil. Adjusted the position of secondary coil.
  2. Pulled up the additional spring on the BF. The BF keystone went to 68mm (2900count) in height.
  3. The cable for the TF LVDT was disconnected in the Dsub connector on the IP. It was recovered.
  4. Adjusted the ballasts on the TF. Two rectangular blocks of 1.8kg were removed and small disks of total 0.2kg were added. The TF keystone went to -16mm in height.
  5. Adjusted the yaw FR so that the primary coils of BF damper can part from the secondary coils.
  6. Released the IP. Closed the top chamber.
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