Personal Ambulatory Oxygen System
Provider Technical Manual
20771733 D 29
V. Removing/Replacing the ATF
1. To replace the ATF, Using a small utility knife, cut the two blue
tubing pieces connecting the ATF to the compressor as pictured
below in Figures 40 and 41 and discard.
Figure 41
Figure 42
2. Gently lift the ATF so as to allow access to the Drive Motor power
connector. Disconnect the Drive Motor power connector.
Figure 43
3. Using a pair of small cutters, snip the end of the tie-wrap on the
soft tubing that connects the ATF to the Product Tank and discard
the tie-wrap.
Figure 44
4. Gently pull the soft tubing from the oxygen port on the ATF.
Figure 45
5. The ATF can now be removed from the unit by gently lifting
upward. To install a new ATF, follow steps 1-4 in reverse order.
Note:
Ensure to reinstall the tie-wrap on the soft tubing
connecting the ATF to the Product Tank. Also, prior
to attaching the blue tubing to connect to the
Compressor Assembly, use a cotton swab saturated
with Isopropyl Alcohol to swab the internal diameter
of the blue tubing. This will allow the blue rubber
tubing to slide over the aluminum tubing easier.