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2014/08/15

0900 Finish cryocleaning. Pump mixture to dump.
1115 Isolate dump. Close all valves on IVC.
Currently G1: 0.0mbar, G2: 611mbar, P1: 6ubar.
1200 With He cold trap out of Helium bath, open V1. No change in G1, indicating no excess material in He coldtrap.
1230 First round cryocleaning finished.
1310 Second round cryocleaning finished.
1410 Finished third round of cryocleaning.
1450 Place cold trap in dewar. Fill LN2 coldtrap full. Commence cryocleaning through cold trap 1.
1600 Finish cryocleaning mixture. Pump mixture to dump.
1650 G1: .3mbar, G2: 611.2mbar, P1: 14ubar. Close all valves on IGH and isolate IVC. Start 1K Pot. Current temperature 1.78K.
1710 With G2 at 614 mbar, start condensing mixture. Aim for 264 mbar left in fridge.
1800 360mbar of mixture in fridge. Close V9 to isolate dump. Begin opening V12A.
1830 V12A open all the way. G1: 92.0mbar, G2: 87.5mbar.
1900 G1 and G2 risen to 110mbar and 106mbar instead of falling. Begin pumping to dump.