Cleaning The Mass Spectrometer Case - Waters SYNAPT G2 Operator's, Overview And Maintenance Manual

To remove an O-ring
Caution:
not to scratch the component with the removal tool.
Use the tools as aids to pull the O-ring or seal from its groove.
If the O-ring or seal is not going to be reused, you can use the forked end
Tip:
of tool 1 to impale the O-ring or seal, and aid its removal.

Cleaning the mass spectrometer case

Caution:
Using a soft cloth, dampened with water, clean the outside surfaces of the
mass spectrometer.
5-18 Maintenance Procedures
When removing an O-ring or seal from a component, be careful
Do not use abrasives or solvents to clean the instrument's case.