Waters Xevo TQ MS, Operator And Maintenance Manual, Page: 91 / 184

Cleaning the ion block assembly 4-43
3. Grasp the cone gas nozzle handle and use it to rotate the sampling cone
assembly through 90 degrees.
4. Slide the sampling cone assembly out of the ion block assembly.
5. Use the combined 2.5-mm Allen wrench and cone extraction tool to
loosen the 2 ion block cover plate captive securing screws.
6. Remove the ion block cover plate.
Caution:
To ensure correct operation of the ion block assembly
after reassembly,
• do not remove the sampling cone assembly retaining blocks.
• do not adjust the screws securing the sampling cone assembly
retaining blocks.
Ion block cover plate securing screw
Ion block cover plate