Waters Xevo G2-XS QTof Overview And Maintenance Manual page 176

6 Maintenance Procedures
2. Use the combined 2.5-mm Allen wrench and cone extraction tool to
remove the 3 probe end cover retaining screws.
3. Remove the end cover and gasket from the probe assembly.
Nebulizer adjuster knob
176 April 2, 2015, 715004496 Rev. B
End cover retaining screws
Gasket
End-cover