Quantum 1107 www.quantumrehab.com 53
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 37.
5. Pull the wheel off the axle.
6. Remove the nuts and washers from the wheel hub and separate the rim halves. See figure 38.
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.
Figure 39. Battery Boxes
REAR BOX
FRONT BOX
MAIN CIRCUIT BREAKER
Battery Replacement
A battery wiring diagram is printed on a decal located inside
the battery box lid. See VI. “Batteries and Charging” for cor-
rect 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.
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.
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.”
3. Remove the battery boxes. See IV. “Assembly/Disassembly.”
4. Disconnect the wiring harness from the batteries.
5. Remove the batteries from the battery boxes.
6. Place new batteries in the battery boxes. See figure 39.
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.