Waters Xevo TQ MS, Operator And Maintenance Manual, Page: 101 / 184

Cleaning the source hexapole assembly 4-53
18. Hold the sampling cone assembly so that the cone gas nozzle handle is
oriented horizontally and at the top, and then slide the sampling cone
assembly into the ion block assembly.
19. Grasp the sampling cone assembly handle, and use it to rotate the
sampling cone assembly through 90 degrees.
20. Fit the ion block assembly to the source assembly (see “Fitting the ion
block assembly to the source assembly” on page 4-41 ).
Cleaning the source hexapole assembly
Clean the source hexapole assembly if cleaning the ion block, isolation valve,
and extraction cone fails to increase signal sensitivity.
Removing the ion block assembly, ion block support, and
hexapole from the source assembly
Required materials
• Chemical-resistant, powder-free gloves
• 3-mm Allen wrench
• O-ring removal kit
To remove the ion block assembly, ion block support, and hexapole
1. Remove the ion block assembly from the PEEK ion block support (see
“Removing the ion block assembly from the source assembly” on
page 4-35 ).
Warning:
The source components can be contaminated with
biohazardous and/or toxic materials. Always wear
chemical-resistant, powder-free gloves while performing
this procedure.