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- Shut Down and Restart Procedures
- Helium Liquefier (QT) System Summary
- How to fill LN2 to the Purifier and Magnet LN2 spaces
- How to fix the QT-HMI if its screen got frozen
- Fixing dewar level indicator
- How to restart the QT PLC
- How to fix if the outlet flows of Liquefiers are showing strange values
- HR3 operations
- Filling LN2 to the purifier using a portable Dewar
- QT System Starting Procedure
- Liquefier Cleaning when Dewar contains LHe
- Cleaning QT purifier Helium-space (pumping-purging the purifier). Cleaning QT purifier Helium-space (OLD)
- Cleaning QT purifier LN2 space
- Fixing dewar level indicator (related to (9))
- Dewar Cleaning Procedure (using the transfer line)
- Cold-helium Circulation Procedure (Cooldown Transferline)
- Cleaning gHe outside tank using the purifier
- Resolving Liquefier Blocking Alarm when Liquefier is on Liquefy Mode
- Resolving Liquefier Blocking Alarm when Liquefier is on Idle Mode
- Purifier LN2 Fill Procedure-updated-labels.pdf ( Please use this updated one, or the original one on docdb 10337 by Jordan Bohn)
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