| Status | Run 77 preparation |
| Setup | DCRC33(2)→HV control, NaI trigger signal → DCRCX(4) |
| | IVC closed and Turbo pumping for a while. No tower - this was just for a leak test. |
| 1148 | Check contents of warm LN2 Trap 1, it was empty, there was a higher pressure in the line (26.4 mbar) then in the trap. Pump it out with the scroll pump. |
| 1155 | Check contents of warm LN2 Trap 2: ~ 25.9 mbar, pump it out with the scroll pump. |
| 1317 | Check contents of warm LHe Trap: 7.5 mbar, pump it out with the scroll pump. |
| 1326 | Insert LN2 cold trap 1 and begin filling cold trap dewar with LN2 |
| 1446 | Begin cryocleaning mixture through cold trap 1 following the procedure in procedure:cryoclean_mixture |
| 1457 | Test mixture flow by closing V13A, open V6 to 12.1% to restart flow |
| 1504 | Open V6 to 12.2% to restart flow |
| 1518 | Open V6 to 12.3% to restart flow |
| 1549 | Open V6 to 12.4% to restart flow |
| 1625 | Open V6 to 12.5% to restart flow |
| 1650 | End cryocleaning mixture through trap 1. Pump mixture to dump |
| 1710 | G1 = 1.7 mbar and stable. Close all valves and turn off 3He pump, leaving 721.6 mbar in dump |
| 1712 | Remove cold trap 1 from the LN2 bath to warm up overnight |