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  1. Select a QT liquefier ("Liq") for the magnet filling. Liq should contain at least 200 L of Helium.
  2. Change the mode of Liq to Auto + Idle.
  3. Change the pressure set point of Liq to 4.0 psi.  It will take >1 hour for the pressure to go down to the set point.
  4. Start to cool down the transfer line by opening VPC and VJVA/B.
    1. This is the start time of the transfer.  Record the time, the magnet level and the Liq level.
  5. Monitor TX1 and wait until it reaches below 100K (for ~10 minutes).  It is normal that TX1 first rises slightly.
  6. Disable the auto control of the MagRetBypass valve.  Open the valve fully.
  7. Open VJVT.  Close VPC.
  8. Change the mode of Liq to Manual + Idle.
  9. Open SV501A/B.
  10. Set FC501A/B at 60 SLM.
  11. Turn off all the five cold heads of Liq. 
    1. Confirm that the pressure of Liq is increasing.
    2. If the inflow of Liq (FC501A/BI) is lower than its set point (FC501A/BQ), change the mode of the other liquefier to "Idle" so that PT501A/B rises.
  12. Wait until the pressure differential (between Liq & Mag) becomes 3.5 psi.
    1. Usually the magnet pressure (PTMR3) goes up to 2.0 psi and then down slowly to 1.5 psi.
  13. Set FC501A/B at 40 SLM.
  14. Maintain the pressure differential at 3.0-3.5 psi, by adjusting FC501A/B (typically within +-5 SLM).
    1. Also confirm that the magnet level is increasing.
  15. Keep until the magnet level reaches 40% (135 L).
  16. Close VJVA/B.  Open VPC.  Close VJVT.
    1. This is the end time of the transfer.  Record the time, the magnet level and the Liq level.
  17. Enable the auto control of the MagRetBypass valve.  Change the set point to 1.5 psi if needed.
  18. Change the Liq mode to Auto.
  19. Change the pressure set point of Liq to 6.5 psi.
  20. Wait until the cold-head temperature becomes <10 K.
  21. Change the Liq mode to Liquefy.
    1. If you change the mode of the other liquefier, change it back to Liquefy.
  22. Confirm that the Liq pressure stays around the set point (6.5 psi).  If it keeps going up, set the outflow (FCA/B) at 40 SLM, wait for 5 minutes, set it back at 2 SLM, and confirm again.

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