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Quantum 1122 Series www.quantumrehab.com 41
VIII. CARE AND MAINTENANCE
5. Locate the battery harness on each battery.
6. Disconnect the battery harnesses from their respective
quick disconnects on the frame by pulling the quick
disconnects toward you.
7. Remove the batteries from the power base assembly.
8. Disconnect the battery harnesses from the positive and
negative terminals on the batteries. See figure 29.
9. Connect the battery harnesses to the new batteries.
! Connect the wire labeled BAT (+) to the positive
(red) terminal.
! Connect the wire labeled BAT (-) to the negative
(black) terminal.
10. Place the rear battery at the back of the battery tray
with the battery terminals facing inward, toward the cen-
ter of the power chair and plug the battery harness into
a quick disconnect.
Figure 29. Battery Connections
11. Place the front battery in the battery tray with the battery terminals facing inward, toward the center of the power chair
and plug the battery harness into a quick disconnect.
WARNING! Make sure you tighten the fasteners so that the connections are secure.
12. Replace the front cover and use the detent pin to secure.
When to See Your Quantum Rehab Specialist for Service
The following symptoms could indicate a serious problem with your power chair. If necessary, contact your Quan-
tum Rehab Specialist. When calling, have the model number, serial number, nature of the problem, and the trouble
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 Specialist.