96-06434-00-01 revA
Service Manual, Inogen One G3HF
-31-
Instructions for Replacing the Housing:
1. With the new tubing fully installed, the user interface panel can now be replaced. Plug the
LCD cable back into the motherboard (Figure 4).
Note orientation of red wire.
Re-attach
the cannula tubing to the cannula connector.
2. Reconnect the UIP cable to the motherboard (Figure 3).
3. Test the function of each button and the LCD. If anything does not work, reseat the
cables in the connectors and check for debris in the connectors.
4. Re-install the four screws that connect the user interface panel to the chassis (Figures 1
and 2). Tighten screws to 5 in-lbs.
5. Place the device on its back side.
6. Seat the feet of the front housing into the corresponding grooves on the chassis (Figure
9) then push down and toward the device to secure the housing in the chassis.
Figure 9: Housing feet and corresponding chassis grooves
7. Place the device on its front side and repeat step 6 to secure the back housing into the
chassis.
8. Replace the two screws that connect the back housing to the chassis and the two screws
that connect the front housing to the chassis. Tighten screws to 3 in-lbs.
9. Return the concentrator to the upright position.
10. Slide the battery back into the chassis. Ensure the battery clip is fully seated.