Waters Autospec Premier Operator's Manual page 273

13. Power-off the MassLynx PC.
14. Turn the status switch to the Isolate position.
15. Switch off the fore pumps.
16. Ensure that all the gas inlets are closed.
17. Turn off the compressed air supply.
18. Turn off the water supply.
19. Switch off all the MCBs.
Shutting down the instrument C-7