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PurposeInstructions/Links
Cleaning (Liquefier)
  1. Dewar Cleaning Procedure (using the transfer line)
  2. Dewar Cleaning Procedure (using the outlet MFC and its bypass)
  3. Liquefier Cleaning when Dewar contains LHe
Cleaning (Purifier)
  1. Cleaning QT purifier Helium-space (pumping-purging the purifier)
  2. Cleaning QT purifier LN2 space
Cleaning (HR3 piping)Purging HR3 after a maintenance
Cleaning the buffer tankCleaning the Buffer Tank on the Cryoplatform
Cleaning the filters F1, F2, F3, and the filter before MV101Cleaning the filters F1, F2 at HR3
Cleaning the filter at MV101
Fills

Filling LN2 to the purifier using the outside LN2 tank
Filling LN2 to the purifier using a portable Dewar

Taking purity measurements at various places in the system

Measuring gHe purity

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