Invacare IRC5P Manuale Utente

SECTION 6—PREVENTIVE MAINTENANCE

Replacing the Outlet HEPA Filter

Check the Outlet HEPA Filter

NOTE: The outlet HEPA filter can be checked by performing the following procedure.

1. Turn the concentrator on and adjust the flowmeter to the maximum flow of the unit.

2. Observe the flowmeterʹs flow indicator while connecting a fifty foot cannula tube to

the outlet barb of the concentrator (not shown).

3. If the flow indicator fluctuates, the outlet HEPA filter may need replacement. Refer to

Replace the Outlet HEPA Filter

NOTE: For this procedure, refer to FIGURE 6.2.

NOTE: Perform this procedure as needed depending on the outlet HEPA filter check results.

1. Unplug the unit.

3. For easier access to the outlet hepa filter, remove the compressor inlet hepa filter by

grasping the compressor inlet filter, pull outward and up until filter is dislodged from
rubber base (FIGURE 6.3).

4. With a flat head screwdriver, remove the tubing from both sides of the existing outlet

HEPA filter by prying the tubing away from the outlet HEPA filter.

5. Discard existing outlet HEPA filter.

6. Connect tubing to both sides of the new outlet HEPA filter as shown below.

FIGURE 6.2 Replace the Outlet HEPA Filter

Tubing

Outlet HEPA Filter

Tubing