7
MAINTENANCE
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7
Maintenance
7.1 Decontaminating the instrument
If the instrument has been used to process biohazardous samples, the fluidics system is to be decontaminated
by running the standard shutdown sequence. It is recommended to use the appropriate disinfectant for the
potential pathogen. Refer to Excessive debris is present during acquisition on page85 if you would
like to perform the Clean program with the MACS Bleach Solution. Use tissues or swabs to decontaminate
surfaces. The uptake needle of the robotic arm and the surface of the instrument shall be decontaminated upon
contact with biozardous samples.
7.2 Exchanging fluid bottles
1 Install one bottle at a time. Remove the bottle to be exchanged from the bottle holder
2 Place a new, sealed bottle into the orange bottle holder. Please note the corresponding color-coding.
3 Unscrew the lid of the new fluid bottle.
4 Remove the bottle closure from the old bottle and install it on the new bottle. Do not disconnect the color-
coded tubing and sensor cable from the bottle closure. Take care not to invert the bottle closures, as this
could cause liquid to enter the hydrophobic air filter.
7.3 Exchanging hydrophobic air filters
Hydrophobic air filters are attached to the bottle closures to vent the liquid bottles and the fluidic system. To
avoid clogging of the filters and to prevent contamination of the liquids, exchange the hydrophobic air filters if
they come into contact with liquid. To avoid clogging due to deposition of dust, exchange filters once a year.
Please use only the hydrophobic air filters from Miltenyi Biotec.
1 To exchange the air filter of the fluidics system, remove the Single tube Rack if installed.
2 Open the right front cover.
3 Exchange the filter.
4 Re-mount Single tube Rack or if desired.
7.4 Cleaning the washing station
1 Remove the Single tube rack if needed.
2 Open the cover of the washing station to the left side. Warning! Potentially contaminated liquid may spill
out of the orifice of the washing station and the tubing.
3 Clean the washing station by wiping it with tissue and an appropriate disinfectant, e.g. 70% ethanol,
isopropyl alcohol, or 10% bleach. Finally, rinse with distilled water.
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