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36 www.quantumrehab.com Quantum 614 Series
VII. CARE AND MAINTENANCE
Figure 21. Quantum 614 Series Drive Wheel DisassembledFigure 20. Quantum 614 Series Drive Wheel
DRIVE WHEEL NUT
DRIVE WHEEL WASHER
AXLE SLOT
AXLE KEY
TIRE
SCREWS
REAR RIM HALF
TUBE
FRONT RIM HALF
Follow these easy steps for a quick and safe repair for both pneumatic and solid 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 20.
5. Pull the wheel off the axle.
6. Remove the screws from the rim assembly and separate the front and rear rim. See figure 21.
7. Remove the old tube from the pneumatic tire and replace it with a new tube or replace the entire assembly if it is
a solid tire.
8. Reassemble the rims and reinstall the screws.
9. Slide the wheel back onto the axle. Make sure that the key is in the axle slot.
10. Reinstall the drive wheel nut and washer onto the axle and tighten.
11. Inflate pneumatic tires to the psi/bar/kPa air pressure rating indicated on each tire.
12. Remove the power chair from the blocks.
Battery Replacement
A battery wiring diagram is printed on a decal located on the front battery tray. See figure 22. See VI. “Batteries and
Charging” for correct battery specifications.
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
Quantum Rehab Provider or a qualified technician.
WARNING! Do not replace battery when seat is occupied.
WARNING! Do not mix old and new batteries. Always replace both batteries at the
same time.