CAIRE eQuinox PAOS 4000 Provider Technical Manual page 15

4. Once the old battery is removed, insert the new 9-Volt battery by
following steps 1-3 in reverse.
The polarity of the 9-Volt battery does not have to be
Note:
aligned in a certain manner when inserting the new
9-Volt battery.
5. Once the 9-Volt Battery has been replaced, the next step is to
replace the Compressor Intake Filter. To remove the Compressor
Intake Filter, push the metal tab on the end of the filter inward
and pull outward (similar to the process for removing the 9-Volt
Battery).
6. To insert the new Compressor Intake Filter, align the end of the
filter with the inlet hole with the plastic housing on the eQuinox.
Personal Ambulatory Oxygen System Provider Technical Manual
Figure 11
Figure 12
7. Push the filter inward towards the plastic housing and then
inward towards the eQuinox, ensuring that the filter is sitting flush
against the plastic housing and flat against the rear case of the
eQuinox.
8. Replace the back cover and retighten the two captive Phillips-
head screws (5.5 in. lb max).
9. To replace the HEPA filter, locate the aluminum oxygen outlet on
the front of the unit.
Figure 13
Figure 14
Figure 15
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