34 Operating Instructions BioPAT
®
Xgas
Maintenance and Service
6.1.2 Filter Replacement
The flow adapter contains a coarse filter, which
you have to maintain and replenish whenever
there are impurities or obstructions of the gas
flow. Spare parts are obtained on request. For
filter replacements:
t Disconnect all connected lines from the
BioPAT
®
Xgas or disassemble the module
from the bioreactor. Remove the mounting
plate as necessary.
t Unscrew the four screws visible from top (see
Fig. 8). Remove the base plate and place it to
the side so that the filters are visible (Fig. 9)
t Remove the filters from the recesses and
insert new filters.
t Replace O-rings with pressure marks, porous
surfaces or hairline cracks.
t Re-fasten the base plate and install the
BioPAT
®
Xgas on the bioreactor and | or
mount and connect.
Fig. 9: Filter replacement
Fig. 8: Screws for attaching the
sensors to the flow adapter
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