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Quantum Jazzy 1420 Series
V I I . C A R E A N D M A I N T E N A N C E
Figure 23. Drive Wheel
DRIVE WHEEL NUT
DRIVE WHEEL WASHER
Figure 24. Drive Wheel Disassembled
FRONT RIM HALF
TUBE
TIRE
REAR RIM HALF
SCREWS
WARNING! When changing a tire, remove only the center lug nut and washer, then remove the
wheel. If any further disassembly is required, deflate the tire completely or it may explode.
Follow these easy steps for a quick and safe repair for both solid and pneumatic tires:
1. Turn off the power to the controller.
2. Set the power chair up on blocks.
3. If you are changing a pneumatic tire, completely deflate it before removing the wheel.
4. Remove the drive wheel nut and washer from the axle. See figure 23.
5. Pull the wheel off the axle.
6. Remove the screws from the rim assembly and separate the front and rear rim. See figure 24.
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 screws.
9. Slide the wheel back onto the axle.
10. Reinstall the drive wheel nut and washer onto the axle and tighten.
11. Inflate the pneumatic tires to 35 psi (2.4 bar).
12. Remove the power chair from the blocks.
Battery Replacement
A diagram is printed on a decal located on the power chair frame near the battery tray. See figure 25.
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! The batteries on your power chair should only be serviced or replaced by an authorized
provider/specialist or a qualified technician.
WARNING! Do not replace battery when seat is occupied.
WARNING! Power chair batteries are heavy. See specifications table. If you are unable to lift that
much weight, be sure to get help.
WARNING! 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 specification table in this
manual and in the manual supplied with the battery charger for recommended type and capacities.