Section 8-P.e. Valve; Replacing P.e. Valve - Invacare Perfecto 2 Series 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 44.
1. Unplug unit.
2. Remove cabinet. Refer to Removing Cabinet on page 23.
3. Remove the compressor inlet HEPA filter. Refer to Replacing the Compressor Inlet
HEPA Filter on page 26.
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 26.
NOTE: Retiming of the concentrator is necessary. Refer to Timing on page 74.
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 77.
10. Reinstall cabinet. Refer to Removing Cabinet on page 23.
Part No 1148070
DANGER
CAUTION
43
SECTION 8—P.E. VALVE
Perfecto
™
2