Quantum 1121
33
www.pridemobility.com
V I I . C A R E A N D M A I N T E N A N C E
Figure 26. Drive Wheel
Figure 27. Drive Wheel Disassembled
DRIVE WHEEL
NUT
DRIVE WHEEL WASHER
TUBE
TYRE
REAR RIM
FRONT RIM HALF
SCREW
AXLE
SLOT
AXLE KEY
Follow these easy steps for a quick and safe repair for both solid and pneumatic tyres:
1. Turn off the power to the controller.
2. Set the power chair up on blocks.
3. If you are changing a pneumatic tyre, completely deflate it before removing the wheel.
4. Remove the drive wheel nut and washer from the axle. See figure 26.
5. Pull the wheel off the axle.
6. Remove the screws from the rim assembly and separate the front and rear rim. See figure 27.
7. Remove the old tube from the pneumatic tyre and replace it with a new tube or replace the entire assembly if
it is a solid tyre.
8. Reassemble the rims and reinstall the screws.
9. Slide the wheel back on to the axle. Make sure the key is in the slot.
10. Reinstall the drive wheel nut and washer onto the axle and tighten.
11. Inflate the pneumatic tyre to the psi/bar/kPa air pressure rating indicated on each tyre.
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 28. See the
specification table 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 a 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.
To replace the batteries:
1. Turn off the power to the controller.
2. Make sure that the power chair is in drive mode. See III. “Your Power Chair.”
