5-30 Maintenance Procedures
1. Ensure that the source isolation valve is in the closed position (see
page 5-15).
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.
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 page 5-16).
5. Close the source enclosure.
TP03132
Ion block assembly
Sampling cone assembly
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