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TASK | Primary Contact | Secondary Contact | PERIOD (days) | NEXT MAINTENANCE | LAST MAINTENANCE |
Pump out Saguaro | keithb@jlab.org | dallen@jlab.org | 360 | 08/14/25 | 08/19/24 |
Check insulating vacuum at Helium Relief Tree and pump down to <1.0 mtorr. 8/28/2019 Pump down insulating vacuum on helium transfer lines to <2.0 mtorr and pump down insulating vacuum on helium tree,nitrogen vent and helium warm return using turbo cart to <.1 mtorr. 10/22/2020 pump down Saquaro , helium transfer lines and U tubes insulating vacuum. 1/20/22 pump down all insulating vacuum lines. 3/22/22 Pump nitrogen insulating vacuum because the outer metal was cold and sweating. 8/19/2024 Pump out all CVI fittings on transfer lines with Ryan and Brandon. Training about fitting function and vacuum pump down process. |