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Z-Chair www.pridemobility.com 33
VII. CARE AND MAINTENANCE
WARNING! When changing a tire, remove only the center lug nut and washer, then remove the
wheel. If any further disassembly is required, deflate the tire completely or it may explode.
To replace the wheel:
1. Turn off the power to the controller.
2. Set the Z-Chair up on blocks.
3. Remove the drive wheel nut and washer from the axle. See figure 24.
4. Pull the wheel off the axle.
5. Slide the new wheel back onto the shaft. Make sure that the key is in the axle slot.
6. Reinstall the drive wheel nut and washer onto the axle and tighten.
7. Remove the Z-Chair from the blocks.
Figure 25. Z-Chair Battery Box
Battery Replacement
A battery wiring diagram is printed on a decal located on
the front battery tray. See “Appendix I - Specifications” 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! Do not replace the
batteries when the seat is
occupied.
WARNING! The batteries on your
power chair should only be
serviced or replaced by an
authorized Pride Provider or a
qualified technician.
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 or new
batteries. Always replace both
batteries at the same time.
To replace the batteries:
1. Remove the battery box from the Z-Chair.
2. Turn the pack upside down.
3. Remove all screws that hold the battery box halves to-
gether. See figure 25.