Hardware manual

Maintenance 4
Agilent 7500 Series ICP-MS Hardware Manual 4-99
Figure 79 Sampling Cone, Skimmer Cone and Extraction Lens-Omega Lens Assembly (7500cs)
2 Remove the Extraction Lens- Omega Lens assembly.
Using an Allen wrench, loosen the 3 screws securing the Skimmer Base.
Wear laboratory gloves while removing the lens assembly with the Skimmer
Base. Place the component on a clean surface.
3 Disassemble the Extraction Lens- Omega Lens assembly.
Disassemble the Extraction Lens- Omega Lens assembly, with reference to
the figure (refer to Figure 80 for the 7500cx and Figure 81 for the 7500cs.)
for the orientation and location of the components.
Use the skimmer wrench as a platform during disassembly. Clean the
skimmer wrench using methanol and a laboratory tissue. Place the lens
assembly on top of the skimmer wrench. Adjust the skimmer base screws if
it is unstable.
Omega Lens-cs
Sampling Cone
Extraction Lens-Omega
Lens Assembly
O-ring
Skimmer Cone
Skimmer Base
Extraction Lens 1
Extraction Lens 2
Omega Bias Lens-cs
NOTE
When cleaning the lens, there is no need to remove the Omega Bias Guide or the Omega
Bias Guide screw.