Labcyte Echo 520 User Manual page 174

Use the following procedure to empty and clean the waste water bottle:
1. Ensure that no fluid transfer or diagnostic procedures are under way.
2. Disconnect the vacuum line from the fluidics panel to decrease vacuum
pressure.
Figure 6.3 Disconnecting vacuum
3. Unscrew the cap on the waste water bottle (500 mL bottle with red cap)
and discard the waste water.
4. Clean the waste water bottle and tube.
a. Add Alconox or hand soap and water to the bottle.
b. Scrub the bottle and tube with a plastic bristle bottle brush.
c. Thoroughly rinse the bottle and tube to ensure there is no soapy
5. Inspect the bottle, bottle cap and seal ring for cracks, other damage, or
foreign material that would cause a vacuum leak. Replace if necessary.
6. Replace the cap to the waste water bottle. Attach the cap securely to
ensure a tight seal for vacuum (hand tighten).
7. Reconnect the vacuum line.
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residue. Use distilled water for the final rinse.
Note: If you see foam while refilling the bottle, rinse the bottle and
tube again with hot tap water.