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Invacare IRC5PO2 Oxygen Equipment User Manual

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SECTION 6—PREVENTIVE MAINTENANCE

Part No 1148070 27 Perfecto

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4. Removethebottomofthemanifoldexhausttubefromthe“F”tube.

5. Disconnectandremovethetopofthemanifoldexhausttubefromthegrommet.

FIGURE 6.4 Replacing the Muffler Assembly

6. Pushthemufflerassemblydownthroughtheopeninginthesoundbox.

7. Cutthetwotiewrapsaroundthemufflerassembly.

8. Separatethemufflerassembly(Detail“A”inFIGURE 6.5).

9. Inspectthecomponentstoensuretheyareclear.

10. Dooneofthefollowing:

•Replaceexhaustcanisterandthrottlingmufflerifpluggedorrestricted.

•Installonlynewthrottlingmufflerifexhaustcanisterisingoodcondition.

11. Installnew/existingmufflerassemblybyreversing2‐10.

Tie-Wrap

Top of Manifold

Exhaust Tube

Bottom of Manifold

Exhaust Tube

“F” Tube

Rubber

Grommet

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