Thermo Scientific Dionex Easion Operator's Manual page 86

Dionex Easion Operator's Manual
5. To seat the seal, push down on the spacer
until it is flush with the pump head. A
clicking sound indicates that the seal is
correctly seated.
6. Remove the spacer and piston and verify
that the seal is flush with the surface of the
pump head.
7. Verify that the O-ring is installed in the
spacer.
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