SECTION 19—HOUR METER
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SECTION 19—HOUR METER
NOTE: Refer to Recycling Information following local governing ordinances and recycling plans
regarding disposal of the concentrator or components.
Replacing Hour Meter
DANGER
To prevent electrical shock, ALWAYS disconnect concentrator from electrical
outlet before servicing.
1. Turn power Off (O) and unplug the unit.
2. Remove cabinet. Refer to Removing Cabinet on page 25.
3. Remove control panel. Refer to Removing Control Panel on page 50.
4. Remove and label the two hour meter connectors and wires connected to back of hour
meter.
5. Squeeze retaining clips on hour meter housing that secure hour meter to control panel.
6. Remove hour meter by pushing meter through front of control panel.
7. Install new hour meter reversing STEPS 4-6.
8. Reinstall control panel. Refer to Removing Control Panel on page 50 and reverse all
steps.
9. Reinstall cabinet. Refer to Removing Cabinet on page 25.
FIGURE 19.1
Hour Meter Connectors
Hour Meter
Wires
Hour Meter
Housing
Retaining Clips (Hour
Meter Housing)