Section 9-Sieve Beds And Spacers; Replacing Sieve Beds; Replacing Sieve Bed Spacers - Invacare Perfecto2 V IRC5PO2V Service Manual

SECTION 9—SIEVE BEDS AND SPACERS
SECTION 9—SIEVE BEDS AND
SPACERS

Replacing Sieve Beds

To prevent electrical shock, ALWAYS disconnect concentrator from electrical outlet
before servicing.
NOTE: For this procedure, refer to FIGURE 9.1 on page 45.
NOTE: ALWAYS replace sieve beds in pairs to ensure that both beds are in optimum condition.
1. Unplug unit.
2. Remove cabinet. Refer to Removing Cabinet on page 23.
3. Remove compressor inlet HEPA filter. Refer to Replacing the Compressor Inlet HEPA
Filter on page 26.
4. Remove tie wraps and disconnect P.E valve tubing and check valve tubing from top of
sieve beds.
5. Remove the four large tie wraps (two on each sieve bed).
6. Tilt sieve beds back and lift up. Rest sieve beds on rear of base.
7. Using a hose clamp tool, remove the clamp and reinforced tubing from bottom of both
sieve beds and remove sieve beds.
DO NOT remove plastic caps from new sieve bed fittings until ready to install new beds.
Severe sieve contamination can occur if uncapped beds are exposed to air.
8. Remove plastic caps from the top and bottom fittings of the new sieve beds.
9. Install new sieve beds reversing STEPS 3‐7.
NOTE: After replacing sieve beds, retiming is necessary. Refer to Timing on page 73.
10. Run unit and check for leaks. Refer to Leak Test on page 76.
11. Reinstall cabinet. Refer to Removing Cabinet on page 23.

Replacing Sieve Bed Spacers

1. Remove sieve beds. Refer to Replacing Sieve Beds on page 44.
NOTE: Before removing sieve bed spacers, note position/orientation for reassembly.
2. Remove sieve bed spacers from base assembly.
3. Install new spacers reversing STEPS 1‐2.
™
Perfecto V
2
DANGER
CAUTION
44
Part No 1164934