Product Manual
Personal Ambulatory Oxygen System Provider Technical Manual
44
PN 20631679 Rev D
REMOVE AND REPLACE HEPA FILTER
Replace the HEPA lter annually, or more often as needed. To replace the HEPA lter, follow these steps.
NOTE:
Always cut the heads of cable ties to avoid damaging the tubing.
DO NOT use any petroleum based or other lubricants. A spontaneous
and violent ignition may occur if oil, grease or other petroleum
substances come into contact with oxygen under pressure. Keep
these substances away from the oxygen system, tubing and
connections and any other oxygen source.
WARNING:
Internal Filters
HEPA Filter replacement:
1. Cut cable tie and Disconnect the tubing at the top of the lter carriage.
Figure 19: Tubing on Filter Carriage.