Invacare M51, M50, M61 service manual Motors, Removing/Installing the Motor

SECTION 12—MOTORS

SECTION 12—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 FIGURE 12.1 on page 113.

NOTE: Reverse this procedure to install the motor.

NOTE: Removing walking beam from the wheelchair, while not necessary, may improve access to the motor. Refer to Removing/Installing the Walking Beam on page 93.

1.Remove the seat. Refer to one of the following procedures:

•Van Seats - Refer to Removing/Installing the Seat Assembly on page 50.

•ASBA Seats - Refer to Removing/Installing the Seat Assembly on page 59.

2.Remove the front battery. Refer to Removing/Installing Batteries from/into Battery Tray on page 99.

3.Remove the drive wheel. Refer to Removing/Installing the Drive Wheel on page 84.

4.Remove the side shroud. Refer to Removing/Installing the Side Shrouds on page 88.

5.Remove the front shroud. Refer to Removing/Installing the Front Shroud on page 89.

6.Cut all tie-wraps securing the motor lead to the frame.

7.Disconnect the motor lead connector from the controller (Detail “A”).

8.Remove the cotter pin to disconnect the motor release lever. Refer to Removing/ Installing the Motor Release Lever on page 115.

9.Using a 5 mm ball head 10-inch T-handle allen wrench, remove the three long mounting screws and three short mounting screws securing the motor to the walking beam (FIGURE 12.1).

NOTE: Long mounting screws are used on the same side of the motor as the drive shaft.

10.Remove the motor from the walking beam.

11.Position the new motor against the walking beam.

12.Loosely install all screws except the front inside short screw.

13.Install the front inside short screw.

14.Tighten the three long screws and three short screws.

15.If necessary, repeat STEPS 3-14 for the motor on the other side.

Pronto® Series 112 Part No. 1125075