Waters Xevo G2-XS QTof Overview And Maintenance Manual page 164

6 Maintenance Procedures
12. Carefully pour away and discard the deionized water from both vessels,
retaining the ion guide PCB assemblies in each vessel.
13. Fill both vessels with isopropyl alcohol, ensuring that each ion guide
PCB assembly is immersed completely.
14. Place the vessels containing the first ion guide and second ion guide
PCB assemblies in the ultrasonic bath for 20 minutes.
15. Carefully remove each ion guide PCB assembly from its vessel, and
blow-dry each assembly using inert, oil-free gas.
16. Discard the used isopropyl alcohol, using an appropriate waste
container.
164 April 2, 2015, 715004496 Rev. B