The Target Operator will perform the following routine cryogenic fills. Keep the Magnet shield and Purifier levels between the appropriate levels.
These cryogenic fills should normally be done during the Day Shift.
| Fill Type | Minimum level to start a fill | Maximum level to STOP a fill | Procedure |
|---|---|---|---|
| LN2 fill: Magnet shield | 50% | 90% | Filling Magnet Shield with LN2 |
| LN2 fill: QT purifier | 50% | 90% | Filling LN2 to the purifier using the outside LN2 tank |
| Filling the frdige | 10% | 100% or Heat Ex. Bottom | Fridge Fill Procedure |