132 | Chapter 4: Maintenance
3. Carefully remove the manifold(s)
and end plates.
4. Using a soft-bristled brush,
thoroughly clean the outside
surfaces.
5. Clean inside each tube with the
appropriate stylus
(aspirate/dispense). Flush hot
water through the cross channels to
wash away debris.
Soak the manifold in hot soapy water
before using the stylus if the manifold is
encrusted with residue.
Avoid pressing the stylus against the
sides of the tubes during cleaning. This
can cause the tubes to bend,
adversely affecting dispense precision.
6. Rinse the manifold with deionized or distilled water. Check to see if water
comes out of all dispense and aspirate tubes. If not, soak the manifold in hot,
soapy water and repeat.
7. When satisfied, reassemble the manifold and end plates.
8. Install the mist shield.
9. Reconnect the power cable and turn on the instrument.
10. Prime the system with deionized water by running DAY_RINSE or a similar
Maintenance or Prime protocol. Watch for leaks. If fluid leaks out of the back of
the instrument, firmly seat the tubing. If fluid leaks from the manifold, try
disassembling and carefully reassembling.
11. Verify aspirate/dispense performance visually or by performing the
qualification tests.
Ultrasonic Advantage™: For optimal results after using the stylus, fully prime the
system and run AutoClean for 30 minutes.
405™ Microplate Washer LS
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