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SECTION 18—FLOWMETER
Platinum™Series 70 Part No 1110538
SECTION 18—FLOWMETER
Replacing Flowmeter
ƽ DANGER
To prevent electrical shock, ALWAYS disconnect concentrator from electrical
outlet before servicing.
NOTE: For this procedure, refer to FIGURE 18.1.
1. Unplug unit.
2. Remove cabinet. Refer to Removing Cabinet
on page 25.
3. Remove control panel. Refer to Removing Control Panel on page 62.
NOTE: Note the location of the PVC tubing for accurate replacement after new flowmeter is
installed.
4. Remove palnuts that secure flowmeter to the control panel.
5. Remove flowmeter from front of control panel.
6. Install new flowmeter reversing STEPS 4-5.
7. Reinstall control panel. Refer to Removing Control Panel on page 62.
8. Run unit and check for leaks where 1/4-inch PVC tubing engages flowmeter fittings.
Refer to Leak Test on page 89.
9. If replacing flowmeter on 10 L/min models, refer to Adjusting Regulator on page 60.
10. Reinstall cabinet. Refer to Removing Cabinet on page 25.