Replacing The Outlet Hepa Filter; Check The Outlet Hepa Filter; Replace The Outlet Hepa Filter - Invacare Perfecto2IRC5PO2AW Service Manual

SECTION 6—PREVENTIVE MAINTENANCE

Replacing the Outlet HEPA Filter

Check the Outlet HEPA Filter

NOTE: The outlet HEPA filter can be checked during preventive maintenance or between patients
by performing the following procedure.
1. Turn the concentrator on and adjust the flowmeter to the maximum flow of the unit.
2. Observe the flowmeter's flow indicator while connecting a 15.24 m (50 ft) 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
Troubleshooting on page 15.

Replace the Outlet HEPA Filter

NOTE: For this procedure, refer to FIGURE 6.2.
NOTE: Perform this procedure during preventive maintenance or between patients depending on
the outlet HEPA filter check results.
1. Unplug the unit.
2. Remove the cabinet. Refer to Removing Cabinet on page 22
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.
7. Install cabinet. Refer to Removing Cabinet on page 22.
Perfecto ™
2
FIGURE 6.1 Cleaning the Cabinet Filter
24
Filter
Part No 1154245