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Vacuum (General_status)
Ciardelli, Francescon, Gherardini, Macchia, Menzione, Pasqualetti - 22:50 Wednesday 08 July 2020 (49055) Print this report
SR tower cleaning and evacuation

Today the bottom part of the SR tower has been cleaned in preparation of the PAY integration.

A vacuum cycle has been started too: we shall perform some He-test activity and then will re-vent the tower within friday this week.

Comments to this report:
Vacuum - 16:33 Saturday 11 July 2020 (49066) Print this report

Venting of SR tower has been started.

He-test main results:

  • the newly added viewports #U59 , #H54 (logentry 49041) have passed, LR<5E-8 mbar.l/s
  • the 2nd virola viton o-ring is to be replaced
Menzione, Vacuum - 12:29 Monday 13 July 2020 (49067) Print this report

The mentioned o-ring has been replaced, the SR tower bottom access flange is now open.

 

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