Invacare IRC5PO2 Manuel D’Utilisation
SECTION 11—REGULATOR
48
SECTION 11—REGULATOR
Replacing Regulator
DANGER
To prevent electrical shock, ALWAYS disconnect concentrator from electrical outlet
before servicing.
before servicing.
NOTE: For this procedure, refer to FIGURE 11.1 on page 49.
1. Unplug unit.
2. Remove cabinet. Refer to Removing Cabinet on page 23.
NOTE: On concentrator models with the SensO
2
unit ONLY, remove the 1/8‐inch tubing to
oxygen sensor housing.
3. Remove the four mounting screws that secure regulator to product tank cap.
4. Remove regulator from product tank lid ensuring that the O‐rings are removed.
NOTE: Clean mounting surface of product tank cap. Ensure that the two ʺOʺ rings for the NEW
regulator are installed onto the ports (underside) of the NEW regulator before installation.
regulator are installed onto the ports (underside) of the NEW regulator before installation.
WARNING
Ensure proper installation of regulator. Note flow arrow on regulator. This MUST face
toward the regulator outlet tubing or flow will be interrupted causing system shutdown.
toward the regulator outlet tubing or flow will be interrupted causing system shutdown.
5. Install new regulator onto product tank by reversing STEPS 3 and 4.
6. Torque mounting screws to 5 ± 1 inch‐lbs.
NOTE: On units with SensO
2
, reinstall 1/8‐inch tubing to oxygen sensor housing.
7. Adjust regulator pressure if necessary. Refer to Adjusting Regulator on page 49.
8. Run unit and check for leaks. Refer to Leak Test on page 76.
9. Reinstall cabinet. Refer to Removing Cabinet on page 23.