• do not remove the sampling cone assembly retaining blocks.
• do not adjust the screws securing the sampling cone assembly retaining blocks.
Figure 4–18: Source ion block cover plate
Ion block cover plate securing screw
Ion block cover plate
5.
Remove the ion block cover plate.
6.
Grasp the isolation valve, and pull it out of the ion block.
Figure 4–19: Removing the isolation valve from the ion block
Isolation valve
O-ring
7.
Use the O-ring removal kit to carefully remove the isolation valve O-ring (see
).
June 9, 2016, 715004990 Rev. A
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