10. Disconnect the fan wire from the main circuit board by using needle-nose pliers and
carefully pulling upwards on the connector housing on the main circuit board. Connection
J6 for the FreeStyle or connection J15 for the FreeStyle 5.
11. Remove the 4-20 self-tapping screws from the main circuit board. There are 6 screws on the
FreeStyle and 8 screws on the FreeStyle 5.
Portable Oxygen Concentrator
Figure 22.3: Cannula Nozzle Tubing
MN220-1 B 79