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IX. CARE AND MAINTENANCE
5. Pull the wheel off the axle.
6. Remove the nuts and washers from the wheel hub. See figure 31.
7. Remove the old tube from the pneumatic tire and replace it with a new tube, or replace the entire solid wheel assembly.
8. Reassemble the rims and reinstall the nuts and washers.
9. Slide the wheel back onto the axle. Make sure the key is in the axle slot.
10. Reinstall the drive wheel nut and washer onto the axle and tighten.
11. Inflate the pneumatic tire to 35 psi (2.4 bar).
12. Remove the power chair from the blocks.
Battery Replacement
WARNING! Prevent injury. Do not replace battery when seat is occupied.
WARNING! Battery posts, terminals, and related accessories contain lead and lead compounds.
Wear goggles and gloves when handling batteries and wash hands after handling.
WARNING! Power chair batteries are heavy. See specifications table. If you are unable to lift that
much weight, be sure to get help. Lifting beyond your capacity can result in personal injury.
WARNING! Prevent injury and/or equipment damage! Do not mix or match new and old batteries.
If you encounter a situation where one battery needs to be replaced, then replace both batteries.
Refer to the specifications table in this manual and the manual supplied with the battery charger
for recommended type and capacities.
To replace the batteries:
1. Turn off the power to the controller.
2. Disconnect the controller from the electronics tray.
3. Remove the seat.
4. Remove the battery boxes and set them on a solid, flat surface.
5. Unfasten the battery box straps on the bottom of each box.
6. Lift up the top cover.
7. Remove the rubber covers from the terminals. Unscrew the terminal nuts and bolts and disconnect the battery wires
from the battery terminals.
8. Remove the battery from the bottom cover.
9. Place the new battery into the bottom cover.
10. Connect the red battery wire to the (+) positive terminal and the black battery wire to the (-) negative terminal.
WARNING! Make sure you tighten the fasteners so that the connections are secure.
11. Place the rubber covers over the terminals.
12. Replace the top cover on each battery box.
13. Fasten the straps and make sure the connections are secure.
14. Position the battery terminals on the opposite side of the battery charger.
WARNING! If you do not position the battery terminals on the opposite side of the charger, you
run the risk of shorting out the batteries and severely damaging your power chair!
15. Place the rear battery box back into the battery well.
16. Place the front battery box back into the battery well.