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•  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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