Personal Ambulatory Oxygen System
Provider Technical Manual
20771733 D 26
II. Removing/Replacing the Handle and
Speaker
1. To remove the speaker, after performing the “Removing/Replacing
the Back Cover” section, loosen the four allen-head screws
securing the speaker to the back cover.
Figure 27
2. Remove the speaker and replace.
3. To remove/replace the top handle, locate the four Phillips Head
screws securing the handle housing to the back cover and using
a #1 Phillips Screwdriver, loosen by turning the screwdriver
counter clockwise until the four screws are released.
Figure 28
4. After removing the four Phillips Head screws, pull up on the
handle. This will remove the Top Handle housing from the back
cover.
Figure 29
5. Flip the top handle housing over and pull up on the handle to
remove/replace.
Figure 30
6. To reinstall the top handle housing and speaker to the back cover,
repeat steps 3-5 in reverse order.
III. Removing/Replacing the Back Cover
Foam and Intake Muffler Section
1. Locate the Intake Muffler.
Figure 31
2. Gently pull upward on the aluminum tubing that feed into the
foam cover.
Figure 32
3. Gently remove the rubber elbow from the muffler tube.