FMOS N2 Filling Memo 6/28/2006 Tokoku (1) CLOSE V1 valve. (2) Prep compressed nitrogen. (2-1) Verify regulator CLOSE (Counterclockwise). (2-2) Open tank. (about 2000 psi if a tank is full.) (2-3) Open (Clockwise) regulator about 10 psi. (2-4) Open V2 and flush hose between V2 and tank. (2-5) CLOSE V2. (3) Piping. (3) OPEN V3. (4) Start evacuating. (5) OPEN V1 just a bit, and check pressure balance. (6) OPEN V1. (7) CLOSE V3. (8) OPEN V2 just for 1-2 sec with checking dewar pressure. (9) CLOSE V1 (10) Clear piping.