Waters Xevo TQ MS Operator's, Overview And Maintenance Manual page 129

Warning:
toxic materials, and to avoid spreading contamination to
uncontaminated surfaces, wear clean, chemical-resistant,
powder-free gloves when working with the ion block assembly.
To disassemble the ion block assembly:
1. Remove the ion block assembly from the source assembly (see
"Removing the ion block assembly from the source assembly" on page
120).
2. Ensure that the isolation valve is closed.
3. Grasp the cone gas nozzle handle and use it to rotate the sampling cone
assembly through 90 degrees.
Caution:
after reassembly,
• do not remove the sampling cone assembly retaining blocks.
• do not adjust the screws securing the sampling cone assembly
retaining blocks.
4. Slide the sampling cone assembly out of the ion block assembly.
To avoid personal contamination with biohazards or
To ensure correct operation of the ion block assembly
February 11, 2013, 71500130002 Rev. D
Cleaning the ion block assembly
Isolation valve handle
in closed position
Sampling cone
assembly retaining
blocks
Cone gas nozzle
handle
129