Invacare Perfecto2IRC5PO2AW Service Manual page 26

SECTION 6—PREVENTIVE MAINTENANCE
NOTE: Perform this procedure as needed depending upon the environment the concentrator is
used in.
1. Unplug unit.
2. Remove cabinet. Refer to Removing Cabinet on page 22.
3. Cut tie wrap that secures the bottom of the manifold exhaust tube to the "F" tube.
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.
Top of Manifold
Exhaust Tube
Rubber
Grommet
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 STEPS 2-10.
Perfecto ™
2
Bottom of Manifold
FIGURE 6.4 Replacing the Muffler Assembly
Exhaust Tube
26
Tie-Wrap
"F" Tube
Part No 1154245