4.14.2 Disassembling the source ion block assembly
Required materials
• Chemical-resistant, powder-free gloves
• Combined 2.5-mm hex wrench and cone extraction tool
• O-ring removal kit
To disassemble the ion block assembly:
Warning:
To avoid personal contamination with biohazards, toxic materials, and corrosive
materials, wear chemical-resistant gloves when performing this procedure.
1.
Ensure that the source isolation valve is closed.
Figure 4–17: Source ion block assembly
Source isolation valve handle in closed position
Sampling cone assembly retaining blocks
Cone gas nozzle handle
2.
Grasp the cone gas nozzle handle, and use it to rotate the sampling cone assembly
through 90 degrees.
3.
Slide the sampling cone assembly out of the ion block assembly.
4.
Use the combined 2.5-mm Allen wrench and cone extraction tool to loosen the two captive
screws securing the ion block cover plate.
Important:
To ensure correct operation of the ion block assembly after reassembly,
June 9, 2016, 715004990 Rev. A
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