Readiness checklist

•  Hutch must be open
•  Stand next to the target chamber (be ready to react once venting is completed to avoid over-pressurization)

Venting procedure

•  Press INSERT GL in the BERYLLIUM WINDOW SYSTEM section (glass window triangle logo must be red)
•  Check TC1-VGC-01, TC1-VGC-02, TC1-VGC-03, TC1-VGC-04, VGC-09 (gate valves leading to the target chamber)
•  Press CLS on all open gate valves leading to the chamber (their triangle logos must all be red)
•  Remove the 4 locks on one of the target chamber doors
•  Press OPN on TC1:VGC:11 (the following window will open)
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•  Press Yes and close the window immediately (pay attention to the sound)
•  Wait until you can hear the compressed dry air intake loudly
•  Press CLS on TC1:VGC:11 immediately
•  Open 1 or 2 target chamber doors, hook them open with the rubber string
•  Allow some time to ventilate the chamber before doing anything inside the target chamber
•  If you are not going to pump down again right away, please follow the Turbo pump shutdown procedure below

Turbo pump shutdown

•  Turn the gas ballast control knob of the scroll pump to level I
•  If you are going to pump down within the next hour, stop here, otherwise continue the procedure
•  Press STP next to the turbo pump logo
•  Allow at least 15-20 minutes for the turbo pump to spin down (the off-status logo does not mean the blades have stopped spinning)
•  Press CLS on SEW-VGC-15
•  If you are going to pump down within the next 12 hours, stop here, otherwise continue the procedure
•  Turn the gas ballast control knob of the scroll pump to level 0
•  Open mechome, go to the tab "User Devices", open the panel "User Sentry PDU"
•  Turn On "Roughing pump PTM 02 (turbo 2)"

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