AirSep
®
Corporation
AS-A—AS-P Series Instruction Manual 7-3
7.4 Depressurizing the Filters
The oxygen generator filters contain pressurized air. To
perform monthly maintenance or change filter elements safely,
fully depressurize the filter assembly as described in the
procedure in this section. To safely depressurize all oxygen
generator components, refer to the procedure described later in
this chapter. (See Section 7.6, Depressurizing the Oxygen
Generator.)
1) Make sure the AUTO/MAN switch is set to AUTO and allow the oxygen
generator to stop cycling when the oxygen receiver pressurizes fully.
2) Set the ON/OFF switch to OFF.
3) Disconnect the oxygen generator from the power supply.
4) Remove the front cover of the enclosure, if applicable. (See Section 7.3,
Removing the Front Cover of the Enclosure.)
5) Fully close the manual inlet valve (V-1) and manual filter outlet valve (V-2).
Figure 7.1: Interior View of AS-B Model
Particulate filter
(not provided on
S-A models)
Manual Inlet Valve
Bowl Latches
Coalescing Filter
Filter Bowls
Exhaust Muffler
Drain Tubing
Connections
Feed Air Regulator
Manual Filter
Outlet Valve
Pressure Switch
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