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tomotada.akutsu - 19:34 Wednesday 03 February 2021 (15914) Print this report
Flange surfaces have not been proctected by white tapes!!

K. Tanaka, N. Sato, Akutsu


We found that some flange surfaces related to the MCF and MCE chambers have not been proctected! Don't repeat this. We protectected them.


Related to 15805. It seems they might forgot to protect the following flanges by white tapes. Some of them still have viton o-rings in the grooves of the flange surfaces, so the o-rings might be damaged.

  • MCF at +Y (Fig 1) and +X
  • MCE at -Y (Fig 2)
  • Both side of the duct to connect MCF and MCE

Anyway, we attached white tapes on the flanges. Be careful when we close the flanges.

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