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Quantum Jazzy 1420 Series www.pridemobility.com 37
VII. CARE AND MAINTENANCE
Figure 24. Drive Wheel
DRIVE WHEEL
DRIVE WHEEL WASHER
Figure 25. Drive Wheel Disassembled
FRONT RIM
TUBE
TIRE
REAR RIM
SCREW
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 24.
5. Pull the wheel off the axle.
6. Remove the screws from the rim assembly and separate the front and rear rim. See figure 25.
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 tire to the psi/bar/kPa air pressure rating indicated on each tire.
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 26.
MANDATORY! 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 in your power chair should only be serviced or replaced by an
authorized Quantum Rehab Provider or a qualified technician.
WARNING! Do not replace batteries 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. Use proper lifting techniques and avoid lifting
beyond your capacity.
WARNING! Do not mix old and new batteries. Always replace both batteries at the same time.