Section 18-Flowmeter; Replacing Flowmeter - Invacare Perfecto2IRC5PO2AW Service Manual

SECTION 18—FLOWMETER
SECTION 18—FLOWMETER

Replacing Flowmeter

To prevent electrical shock, ALWAYS disconnect concentrator from electrical outlet
before servicing.
NOTE: For this procedure, refer to FIGURE 18.1 on page 62.
1. Unplug unit.
2. Remove cabinet. Refer to Removing Cabinet on page 22.
3. Note the location of the PVC tubing for accurate replacement after new flowmeter is
installed.
4. Remove control panel. Refer to Removing Control Panel on page 52.
5. Remove palnuts that secure flowmeter to the control panel.
6. Remove flowmeter from front of control panel.
7. Install new flowmeter reversing STEPS 4-5.
8. Reinstall control panel. Refer to Removing Control Panel on page 52.
9. Run unit and check for leaks where 1/4-inch PVC tubing engages flowmeter barbed
fittings. Refer to Leak Test on page 75.
10. Reinstall cabinet. Refer to Removing Cabinet on page 22.
Flowmeter Barbed
Fittings (Back of
Flowmeter)
Flowmeter
Control Panel
Perfecto ™
2
DANGER
FIGURE 18.1 Replacing Flowmeter
62
Palnuts
Part No 1154245