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VII. CARE AND MAINTENANCE
To replace the batteries:
1. Turn off the power to the controller.
2. Make sure that the power chair is in drive mode. See III. “Your Power Chair.”
3. Gently push down and pull backward at the harness access point on the rear shroud until it releases. See figure 12.
4. Remove the rear shroud.
5. Disconnect the battery harness from the rear battery.
6. Remove the retaining clips and lift off the front cover using the foot platform bracket. See figure 20.
7. Slide the battery tray forward.
8. Disconnect the battery harness from the front battery.
9. Undo the hook and loop straps from both batteries.
10. Remove the batteries.
11. Replace with new batteries.
12. Fasten the hook and loop straps around both batteries.
13. Connect the battery harness to the front battery according to the battery wiring diagram. See figure 27.
WARNING! Make sure you tighten the fasteners so that the connections are secure.
14. Slide the battery tray back into the power base.
15. Connect the battery harness to the rear battery.
16. Reinstall the front cover.
17. Reinstall the rear shroud by aligning the side and back tabs with the holes in the main shroud. Gently push
down and forward until all four tabs lock into place.
NOTE: When installing the rear shroud, make sure that the controller and power seat harnesses are routed
through the notch in the right side of the front cover.
18. Charge the batteries. See VI. “Batteries and Charging.”
When to See Your Quantum Rehab Provider for Service
The following symptoms could indicate a serious problem with your power chair. If necessary, contact your
Quantum Rehab Provider. When calling, have the model number, serial number, nature of the problem, and the
error code if available.
Motor noise
Frayed harnesses
Cracked or broken connectors
Uneven wear on any of the tires
Jerky motion
Pulling to one side
Bent or broken wheel assemblies
Does not power up
Powers up, but does not move
Corrective Maintenance
If the battery condition meter does not light up when you turn on the power:
Check the harness connections. Make sure they are tight.
Check the circuit breaker. Reset it if necessary.
Check the battery connections.
If the above conditions prove normal, you can load test the batteries with a battery load tester. These testers are
available at automotive parts stores. Disconnect both batteries before load testing and follow the directions that
come with the load tester. If either one of the batteries fails the load test, replace both of them. If your power chair
still does not power up, contact your Quantum Rehab Provider.