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- Shut Down and Restart Procedures
- Turning OFF and Restarting HR3 operations
- Filling LN2 on Purifier Dewar
- QT System Starting Procedure
- Liquefier Cleaning when Dewar contains LHe
- Cleaning QT purifier Helium-space (pumping-purging the purifier)
- Cleaning QT purifier LN2 space
- Fixing dewar level indicator (related to (9))
- LHe Dewar cleaning procedure
- 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)
- LN2 Shield Fill Procedure-updated_labels.pdf( Please use this updated one, or the original one on docdb 10337 by Jordan Bohn)
- LHe fill procedure using a QT dewar
- LHe fill procedure using a commercial dewar
Important Cooldown > Liquefying modes information - QT Dewar Cooldown Mode from Room Temperature
- Bringing the Dewar Pressure down in Liquefy/Idle mode
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To check HMI parameters: https://e906-gat1.fnal.gov/data-summary/e1039/target-QT-HMI.php (select: P&IDs
P504 HR3 P&ID 20191209 SSG.pdf
P504 P&ID (AO) Feb 26, 2020 -reprint.pdf
Manuals
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