SECTION 9—MOTORS
Part No 1118377 83 Pronto® M71™
WARNING
DO NOT leave the wheelchair unattended while performing this procedure -
otherwise damage to wheelchair and/or property may occur.
NOTE: This procedure must be performed with little or no load on the motor.
A. Put the wheelchair on blocks so that the drive wheels do not contact the ground.
NOTE: For s teps B and D, use a rub ber band to hold the driver control in the direction needed
or program the chair for latched driving. Refer to the electronics manual for latched
programming instructions.
B. Run the motors forward for one hour.
C. Turn motors off and allow 30 minutes for motors to cool off.
D. Run the motors in reverse for one hour.
E. When process is complete, remove wheelchair from blocks and test drive the
wheel chair.
NOTE: If wheelchair still does not perform properly, call Technical Service at 1-800-832-4707.
FIGURE 9.3 Replacing Internal Motor Brushes
DETAIL “A” - REMOVE END CAP DETAIL “B” - LOCATE MOTOR BRUSH
DETAIL “D” - REMOVE LARGE BRUSH
DETAIL “C” - REMOVE SHUNT WIRE
NOTE: Brush
assembly on one side
of Motor shown.
End Cap
End Cap Screws
2-Pole DC
Motor
Screwdriver to Remove
End Cap Screws (STEP 1)
Spring Retainer
Motor Brush
Brush Housing
Shunt Wire
Screwdriver to
Remove Shunt Wire
Screw
(STEP 4)
Motor Brush
Shunt Wire
Shunt Wire
Mounting Screw
Screwdriver to Release Tension
on Spring Retainer (STEP 5)
Motor
Brush
Shunt
Wire
Spring Retainer