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MN220-‐1 A 79
Portable Oxygen Concentrator
Figure 22.3: Cannula Nozzle Tubing
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.