SECTION 9—MOTORS
Pronto® M71™ 80 Part No 1118377
SECTION 9—MOTORS WARNING
After ANY adjustments, repair or service and BEFORE use, make sure that all
attaching hardware is tightened securely.
ALWAYS turn the wheelchair power OFF BEFORE repairing or servicing the
wheelchair, otherwise injury or damage may occur.
Removing/Installing the Motor
NOTE: For this procedure, refer to FIGURE9.1 on page 80.
NOTE: Reverse this procedure to install the motor.
NOTE: Removing side frame assembly from wheelchair, while not necessary, may improve access
to the motor. Refer to Disassembling/Assembling the Wheelchair on page103.
NOTE: Removing the drive wheel, while not necessary (unless replacing the motor), may improve
access to the motor. Refer to Removing/Installing the Drive Wheel on page63.
1. Remove the seat. Refer to Removing/Installing the Seat Assembly on page 30.
2. Remove the side shroud. Refer to Removing/Installing the Shrouds on page 74.
3. If side frame has not been removed from wheelchair, disconnect the motor lead.
4. If replacing the motor, remove drive wheel from drive shaft. Refer to Removing/
Installing the Drive Wheel on page 63.
5. Remove the cotter pin to disconnect the motor release lever. Refer to Removing/
Installing the Motor Release Lever on page 81.
NOTE: Long mounting screws are used on the same side of the motor as the drive shaft.
6. Remove the three long mounting screws and three short mounting screws securing
the motor to the walking beam (FIGURE 9.1).
7. If necessary, repeat STEPS 2-6 for the motor on the other side.
FIGURE 9.1 Removing Motor and Drive wheel
Three Short and
Three Long Mounting
Screws
Motor
NOTE: Drive wheel shown
exploded from the motor drive
shaft for clarity.
Drive Wheel
Drive Shaft
Walking Beam