![background image](http://html1.mh-extra.com/html/caire/freestyle/freestyle_provider-technical-service-manual_3345720054.webp)
MN220-‐1 A 54
Portable Oxygen Concentrator
4.
Lift off the front cover.
Figure 12.1: Removing Front Cover
Removing Back Cover:
1.
Place the unit on its front.
2.
Locate the four screws securing the back cover.
3.
Using a Philips-‐head screwdriver, loosen and remove the screws.
4.
Lift off the back cover.