Service Manual, Inogen One G3HF
SP-502 and SP-550 Inogen One G3HF Front and Rear Housing
Replacement
Parts Required:
1. SP-502, Housing, Rear
2. SP-550, G3HF Housing, Front
Tools Required:
1. T10 Torx Driver
Notes:
1. When removing screws from the device, carefully set in a bin or secure area as these
screws will used to secure the replacement parts.
2. Many of the screws used on the Inogen One G3 have pre-applied loctite on the threads.
These loctite screws can be re-used up to four times before replacement screws are
required (If exceeded four uses please contact Inogen for a screw replacement kit).
Instructions for Removing the Housing:
1. While facing the front housing, remove the battery from the concentrator by pushing
down on the blue battery release clip and sliding the device away (Figure 1).
Figure 1: Direction to slide device to remove battery