Dionex Easion Operator’s Manual
80
Doc. 155028-01 08/20
5.10 Replacing the Waste Valve Seal
A damaged seal causes leakage around the base of the waste valve knob.
1. Turn off the Dionex Easion power switch.
2. To remove the waste valve from the pump head (see
), turn the
knob counterclockwise until it is loose, and then pull the knob straight out of
the cavity in the head.
3. If the seal is removed with the valve knob in
, pull the seal off the end of
the knob (see
If the seal is
not
removed with the valve
knob, insert a thin object (for example,
the straightened end of a paper clip) into
the cavity in the pump head and carefully
pull out the seal.
Do not scratch the
cavity.
Figure 5-9. Waste Valve Seal Replacement
Figure 5-8. Waste and Priming Valves
Scratches in the cavity will cause leaks around the base of the knob
while the pump is being primed.
Waste Valve
Seal
Valve Knob
