Quantum 1121 3SP User Manual

Quantum 1121 Series

www.pridemobility.com

33

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 23.

5. Pull the wheel off the axle.

6. Remove the screws from the rim assembly and separate the front and rear rim. See figure 24.

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 on to the axle. Make sure the key is in the slot.

WARNING! Failure to ensure that the axle key is properly installed into the axle key when

mounting the wheel can result in electronic brake failure, personal injury, and/or product damage.

10. Reinstall the drive wheel nut and washer onto the axle and tighten.

WARNING! Make sure that both the nut and washer are reinstalled and tightened properly.

11. Inflate the pneumatic tire to the psi/bar/kPa air pressure rating indicated on each tire.

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 25. 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.

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