Replacing The Waste Valve Seal - Thermo Scientific Dionex Easion Operator's Manual

Dionex Easion Operator's Manual

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
knob counterclockwise until it is loose, and then pull the knob straight out of
the cavity in the head.
Waste Valve
3. If the seal is removed with the valve knob in
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.
Scratches in the cavity will cause leaks around the base of the knob
while the pump is being primed.
80
Figure 5-8. Waste and Priming Valves
Figure 5-9).
Figure 5-9. Waste Valve Seal Replacement
Figure 5-8), turn the
Step 2, pull the seal off the end of
Valve Knob
Seal
Doc. 155028-01 08/20