Inogen One G3 Technical Manual

O2 sensor tubing
Accumulator tubing
Figure 12: Disconnect all tubes that connect to the motherboard
5. With all cables and tubing detached, remove the motherboard from the device and set
face up.
6. Locate the breath detect on the motherboard and unplug its tubing from the oxygen
sensor by pulling the tube off of the barb (Figure 13).
Breath Detect tubing
Figure 13: Disconnect tubing from oxygen sensor
7. Carefully pull the breath detect off of the motherboard by lifting the white board straight
up.
Instructions for Replacing the Breath Detect:
1. Install the new breath detect by aligning the 6 pins on the bottom of the breath detect with
the corresponding holes on the motherboard (Figure 14). Make sure the pins are fully
seated in the holes and the breath detect is lying flat on the motherboard (Figure 15).
96-03997-00-01 revA Service Manual, Inogen One G3
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