Section 8-P.e. Valve; Replacing P.e. Valve - Invacare Perfecto2IRC5PO2AW Service Manual

SECTION 8—P.E. VALVE

Replacing P.E. Valve

To prevent electrical shock, ALWAYS disconnect concentrator from electrical outlet
before servicing.
NOTE: For this procedure, refer to FIGURE 8.1 on page 42.
1. Unplug unit.
2. Remove cabinet. Refer to Removing Cabinet on page 22.
3. Remove the compressor inlet HEPA filter. Refer to Replacing the Compressor Inlet
HEPA Filter on page 25.
4. Remove spade connectors from P.E. valve terminals.
5. Remove tie-wraps from P.E. valve tubing.
6. Remove P.E. valve assembly from tubing.
If P.E. valve is not to be installed IMMEDIATELY, plug the P.E. valve tubing to prevent
sieve bed contamination.
7. Install new P.E. Valve assembly IMMEDIATELY, by reversing STEPS 3-5.
8. Reinstall the compressor inlet HEPA filter. Refer to Replacing the Compressor Inlet
HEPA Filter on page 25.
NOTE: Retiming of the concentrator is necessary. Refer to Timing on page 72.
NOTE: To ensure proper orientation, the "out" port barb should face to the left side sieve bed when
viewing from behind the unit.
9. Run unit and check for leaks. Refer to Leak Test on page 75.
10. Reinstall cabinet. Refer to Removing Cabinet on page 22.
Part No 1154245
DANGER
CAUTION
41
SECTION 8—P.E. VALVE
Perfecto ™
2