Cleaning The Ion Block Assembly; Removing The Ion Block Assembly From The Source Assembly - Waters Xevo TQ-S Operator's, Overview And Maintenance Manual

Cleaning the ion block assembly

Clean the ion block assembly if cleaning the sample cone and cone gas nozzle
fails to increase signal sensitivity.

Removing the ion block assembly from the source assembly

Required materials
• Chemical-resistant, powder-free gloves
• Combined 2.5-mm Allen wrench and cone extraction tool
To remove the ion block assembly:
Warning:
biohazardous and/or toxic materials. Always wear
chemical-resistant, powder-free gloves while performing this
procedure.
1. Vent and shut down the mass spectrometer (see the mass spectrometer's
online Help for details).
Warning:
roughing pumps and mass spectrometer, disconnect the power
cords for the mass spectrometer and roughing pumps from the
main power source.
2. Disconnect the power cords for the mass spectrometer and both
roughing pumps from the main power source.
Warning:
cool for at least 30 minutes before proceeding.
Warning:
working with the source enclosure open if an ESI probe is fitted.
3. Remove the source enclosure (see
Rationale:
assembly.
4. Close the source isolation valve (see
The source components can be contaminated with
To avoid personal injury, as well as damage to the
The source can be hot. To avoid burn injuries, allow it to
To avoid puncture wounds, take great care while
Removing the source enclosure aids access to the ion block
page 4-7).
page 4-10).
Cleaning the ion block assembly 4-41