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5.2.1 Clean the air bubble cleaning module
Biological hazard. Obey safety handling protocols and wear all of the personal protective equipment
required when handling an instrument that may have come in contact with biological hazardous
materials. Wash and decontaminate the instrument with a disinfectant soap solution and rinse with
hot water before maintenance or shipping.
Multiple hazards. Only qualified personnel must conduct the tasks described in this section of the
document.
Do not scratch the filter membrane.
Clean the air bubble cleaning module of the FX620 sample filtration system at approximately every
three months or when the air channel is visibly clogged.
1. Remove the filter holder from the process.
2. Put the filter module in a vertical position. Refer to
3. Remove the sludge from the air bubble cleaning module with a narrow object (e.g., a small flat-
blade screwdriver).
Figure 5 Air bubble cleaning procedure
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