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Jazzy 1133 Owner’s Manual Rev B 03-03 www.pridemobility.com 41
Figure 33. Motor Brush Location
Figure 34. Motor Brushes
WORN MOTOR BRUSH
NEW MOTOR BRUSHES
MOTOR BRUSH CAPS
MOTOR BRUSHES
The electric motors that power your power chair use carbon
brushes. These brushes may become susceptible to wear over
a long period of time. The motor brushes are the two con-
tacts located inside the motor assembly that supply power to
the motor. They are designed to provide several thousand
hours of operation. However, if the brushes become dirty
with carbon deposits or wear out, the motor will run poorly
or not at all.
To inspect or replace the motor brushes:
1. Unscrew the motor brush caps. See figure 33.
2. Remove the brushes.
3. Inspect for wear. See figure 34.
4. Replace brushes, if necessary. Contact your authorized
Pride provider for replacement brushes.
CAUTION! If an inspection determines excessive wear on the brushes, they must be replaced or
motor damage will result. Failure to maintain the brushes could void your power chairs warranty.
WHEN TO SEE YOUR AUTHORIZED PRIDE
PROVIDER FOR SERVICE
The following symptoms could indicate a serious problem with your
power chair. If necessary, contact your authorized Pride provider.
When calling, have the model number, serial number, nature of the
problem, and the trouble code if available.
n Motor noise
n Frayed harnesses
n Cracked or broken connectors
n Uneven wear on any of the tires
n Jerky motion
n Pulling to one side
n Bent or broken wheel assemblies
n Does not power up
n Powers up, but does not move
IX. CARE AND MAINTENANCE
7. Remove the fastens that connect the two drive wheel rim halves together. See figure 32.
8. Remove the old tube from the pneumatic tire and replace it with a new tube.
9. Reinstall the fasteners that connect the two drive wheel rim halves together.
10. Slide the wheel back onto the shaft. Make sure that the key is in the keyway.
11. Reinstall the drive wheel fastener on the center hub and tighten.
12. Inflate the pneumatic tire to 30 - 35 psi.