Cell Lockup and Pre-Run Checklist v102799 JHI Revised 02/18/05 GLD . Check above, around, and below machine for following: . any tools left near machine . any large unsecured magnetic objects within a couple of feet of the igloo . objects such a ladders unsecured around machine or leaning on the igloo . cabling that is not properly secured . nitrogen leaks from boots . any large buildups of ice around the machine . heaters are all running and delivering heat to intended areas . heater hoses that have been removed from around ports . check that YAG laser shutter is open . verify that cell exhaust fan is operational . RF . check SF6 and GN2 purge to RF components SF6: D, E, and J 6" coax should be 17-20 psi J 9" coax should be 10-12 psi Record bottle pressure in OPS logbook N2: D and E 9" coax (from stub tuner to 6" coax) should be 20 psi D and E 9" coax (from switch to stub tuner) should be 2 psi . check that EFC front panel leds are in the proper state . in control room . open bolometer shutter . enter vacuum and ECDC info in the computer logbook ******************************************************