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SECTION 6—PREVENTIVE MAINTENANCE
Part No 1110538 27 Platinum™Series
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 flowmeter's 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
Troubleshooting on page 17.
Replace the Outlet HEPA Filter before 06\09\06
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.
2. Locate the filter access and humidifier adapter storage plate located on the side of the
concentrator.
3. Insert a flathead screwdriver in the plate groove on the top edge of the plate and
gently pry the humidifier adapter storage plate open (Detail “A”).
4. Remove plate and set aside.
5. Grasp the existing outlet HEPA filter and disconnect from the short silicone tube
(Detail “B”).
6. Disconnect existing outlet HEPA filter from the long silicone tube (Detail “B”).
7. Discard existing outlet HEPA filter.
8. Attach new outlet HEPA filter to short and long silicone tubes.
9. Reinstall filter access and humidifier adapter storage plate.
FIGURE 6.2 Replace the Outlet HEPA Filter before 06\09\06
Plate Groove
Filter Access and Humidifier
Adapter Storage Plate
DETAIL “A”
Long Silicone
Tube
Humidifier Bottle
Adapter
(storage location)
Short Silicone Tube
(not shown)
Compressor
Inlet Filter
Outlet HEPA
Filter
DETAIL “B”
Outlet
HEPA
Filter
Long Silicone Tube
Short
Silicone
Tube