Inogen ONE G3 Mode D'emploi page 38

Inogen One® G3 Column Change Procedure (continued)
6. Remove column by pressing the latch button
with thumb or finger.
7. While holding the button open, slide the column
(metal tube) out by gripping the exposed aluminum
surface with other hand.
8. Remove the column (metal tube)
completely from the Inogen One® G3.
9. Repeat steps 6-8 to remove the other column (metal tube).
Column (metal tube) Installation
10. Remove dust caps of new column (metal tube).
Make sure there is no dust or debris where the dust
caps were located.
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Open and unlocked