Owner`s manual

48 www.quantumrehab.com Quantum Dynamo 1107
VIII. CARE AND MAINTENANCE
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 31.
5. Pull the wheel off the axle.
6. Remove the nuts and washers from the wheel hub and separate the rim halves. See figure 32.
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 rim halves and reinstall the nuts and washers to the wheel hub.
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 the pneumatic tires to 35 psi (2.4 bar) if equipped
with pneumatic tires.
12. Remove the power chair from the blocks.
Battery Replacement
A battery wiring diagram is printed on a decal located inside
the battery box lid. See VI. “Batteries and Charging” for
correct battery specifications.
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.
Figure 34. Battery Wiring Diagram Label
Figure 33. Battery Boxes
REAR BOX
FRONT BOX
MAIN CIRCUIT BREAKER
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
specification table in this manual supplied
with battery charger for recommended type
and capacities.