1.
Ensure that the source isolation valve is in the closed position (see
).
2.
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.
Figure 4–14:
Sampling cone assembly
Ion block assembly
3.
Grasp the cone gas nozzle handle, and use it to rotate the sampling cone assembly 90
degrees, moving the handle downward from the horizontal to the vertical position.
4.
Open the source isolation valve (see
Opening the source isolation valve
).
5.
Close the source enclosure.
4.14 Cleaning the ion block assembly
Clean the ion block assembly if cleaning the sample cone and cone gas nozzle fails to increase
signal sensitivity.
4.14.1 Removing the ion block assembly from the source assembly
Required materials
• Chemical-resistant, powder-free gloves
• Combined 2.5-mm hex wrench and cone extraction tool
June 9, 2016, 715004990 Rev. A
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