Replacing The Ion Block Source Heater - Waters Xevo TQ-S Operator's, Overview And Maintenance Manual

Replacing the ion block source heater

Replace the ion block source heater if it fails to heat when the instrument is
pumped down (evacuated).
Required materials
• Chemical-resistant, powder-free gloves
• Combined 2.5-mm Allen wrench and cone extraction tool
• Needle-nose pliers
• New ion block heater cartridge assembly
To replace the ion block source heater:
Warning:
biohazardous and/or toxic materials. Always wear
chemical-resistant, powder-free gloves while performing this
procedure.
1. Remove the ion block assembly from the instrument (see
2. Ensure that the isolation valve is closed.
The ion block assembly can be contaminated with
Replacing the ion block source heater 4-101
page 4-47).
Isolation valve handle
in closed position