MN220-1 B 59
Portable Oxygen Concentrator
11.
Disconnect the 1/8” OD tube from the Y-Connector, or T-Connector, that connects to the
pressure transducer on the left side (located at the back of the PSA System).
12.
For the FreeStyle, remove each tie-wrap around the upper top screw bosses.
Figure 13.7: Tie-wrap Removal
13.
Using needle-nose pliers, disconnect all of the valves from the circuit board, carefully noting
where each valve is connected. Do not disconnect by pulling on the wires.
Figure 13.8: Disconnecting the Equalization Valve