SECTION 6—PREVENTIVE MAINTENANCE
Replacing the Compressor Inlet HEPA Filter
NOTE: For this procedure, refer to FIGURE 6.3 on page 26.
NOTE: Perform this procedure as needed depending upon the environment the concentrator is
used in.
1. Unplug the unit.
2. Remove the filter access panel by pressing down on center tab and pulling panel out.
3. Grasp the compressor inlet HEPA filter, pull outward and up until filter is dislodged
from rubber base.
4. Discard the existing compressor inlet HEPA filter.
5. Install new compressor inlet filter by inserting the filter into the rubber base.
6. Push the filter down until the rubber base touches the edge of the filter.
7. Reinstall the filter access panel.
Compressor Inlet
HEPA Filter
Center Tab
Filter Access
Panel
Rubber Base
FIGURE 6.3 Replacing the Compressor Inlet HEPA Filter
Replacing the Muffler Assembly
NOTE: For this procedure, refer to FIGURE 6.4 on page 27 and FIGURE 6.5 on page 28.
NOTE: The following should be performed at 20,000 hour intervals although these procedures can
be performed as needed depending upon the environment the concentrator is exposed to.
1. Unplug unit.
2. Remove cabinet. Refer to Removing Cabinet on page 23.
3. Cut tie wrap that secures the bottom of the manifold exhaust tube to the "F" tube.
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26
Perfecto
V
Part No 1164934
2