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VIS (PR3)
fabian.arellano - 20:30 Thursday 15 April 2021 (16486) Print this report
Comment to Tightening the locating clamps for the piano wire. (16348)

With Hirata-san.

See pictures in album PR3 Remedying Work.

Becuase we had used a broken laser level set the pitch of the mirror, we repeated the measurement with a different laser level know to work fine.

  • A new measurement showed thre pitch was -6.1 mrad.
  • We corrected it with the picomotor setting it at -3.3 mrad.
  • Using the fishing rod we moved the keystone close to the setpoint.
  • Two of the vertical OSEMs became out of range. We need to correct them.
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