Section 11-Regulator; Replacing Regulator - Invacare Perfecto2 V IRC5PO2V Service Manual

SECTION 11—REGULATOR
SECTION 11—REGULATOR

Replacing Regulator

DANGER
To prevent electrical shock, ALWAYS disconnect concentrator from electrical outlet
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.
3. Remove the 1/8‐inch tubing to oxygen sensor housing.
4. Remove the four mounting screws that secure regulator to product tank cap.
5. 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.
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.
6. Install new regulator onto product tank by reversing STEPS 3 and 4.
7. Torque mounting screws to 5 ± 1 inch‐lbs.
8. Reinstall 1/8‐inch tubing to oxygen sensor housing.
9. Adjust regulator pressure if necessary. Refer to Adjusting Regulator on page 49.
10. Run unit and check for leaks. Refer to Leak Test on page 76.
11. Reinstall cabinet. Refer to Removing Cabinet on page 23.
™ 48
Perfecto V Part No 1164934
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