Waters Xevo TQD Overview And Maintenance Manual page 110

4 Maintenance Procedures
To remove the sampling cone assembly from the source:
1. Close the source isolation valve (see
2. Grasp the cone gas nozzle handle, and use it to rotate the sampling cone
assembly 90 degrees, moving the handle from the vertical to the
horizontal position.
Notice:
not open the isolation valve at any time while the sampling cone
assembly is removed from the ion block assembly.
3. Slide the sampling cone assembly out of the ion block assembly.
Ion block assembly
110 March 14, 2014, 715004387 Rev. B
To avoid damaging the instrument by sudden venting, do
page 96).
TP03131
Sampling cone
assembly
Cone gas nozzle
handle
TP03132