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Viasys Avea O2 and Air/Heliox filters Replacement

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The O2 and Air/Heliox filters are accessible from the rear panel of the ventilator. According to the service manual, the filters should be inspected and replaced as required.

PLEASE NOTE: This repair guide was developed by a student iFixit team based on Viasys/CareFusion's own service manual. Neither iFixit nor this repair guide is endorsed by or affiliated with Viasys or CareFusion.

Replacing these gas filters is discussed in service manual revision D:

  • Chapter 8: Preventative Maintenance, Pg 163-164

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  1. Viasys Avea O2 and Air/Heliox filters Replacement, Viasys Avea O2 and Air/Heliox filters Replacement: crwdns2935265:01crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Viasys Avea O2 and Air/Heliox filters Replacement, Viasys Avea O2 and Air/Heliox filters Replacement: crwdns2935265:01crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Use the filter removal tool to unscrew the two filter covers.

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  2. Viasys Avea O2 and Air/Heliox filters Replacement: crwdns2935265:02crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Use the needle nosed pliers to grab the filter and pull straight out of the filter port.

    • Repeat for the second filter.

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  3. Viasys Avea O2 and Air/Heliox filters Replacement: crwdns2935265:03crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Using the needle nosed pliers, grab a new filter and slide it into the port so it is correctly aligned.

    • Repeat for the second filter.

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  4. Viasys Avea O2 and Air/Heliox filters Replacement: crwdns2935265:04crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Align the filter cover with the filter inside the port and screw back on.

    • Repeat for the second filter.

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Alden Glassey

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Cal Poly, Team S1-G1, Zimmerman Spring 2020 crwdns2935289:0Cal Poly, Team S1-G1, Zimmerman Spring 2020crwdne2935289:0

CPSU-ZIMMERMAN-S20S1G1

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