Invacare M71 - page 101

SECTION 11—CONTROLLER AND JOYSTICK
Part No 1118377 101 Pronto® M71™
NOTE: The MKIV RII Controller Module has five cables, with connectors. These cables are for
control of the Left and Right drive motors (cables are labeled), MKIV RII Joystick control, power
connection for the batteries and a connection for the on-board battery charger.
NOTE: Take note of position and orientation of the controller, cables, connectors and mounting
hardware for reinstallation of controller.
1. Remove the seat. Refer to Removing/Installing the Seat Assembly on page 30.
2. Remove the batteries from the wheelchair. Refer to Removing Batteries on page89.
3. Remove the front shroud. Refer to Removing/Installing the Shrouds on page 74.
4. Disconnect the right and left motor leads (Detail “A” of FIGURE11.4) .
NOTE: Tie-wraps are joined together to reach around the controller, controller charger cable and
wheelchair frame.
5. Remove the two tie-wraps securing the controller charger cable and controller to the
wheelchair frame (Detail “A” of FIGURE11.4).
6. Disconnect the controller charger cable from the charger cable (Detail “A” of
FIGURE 11.4).
7. From inside the wheelchair frame, remove the three mounting screws and rubber
washers that secure the existing controller to the wheelchair frame (Detail “B” of
FIGURE 11.4).
8. Remove the existing controller from wheelchair frame.
9. Reverse STEPS 1-8 to install new controller.
FIGURE 11.4 Replacing the MKIV RII Controller
RIGHT Motor Lead LEFT Motor Lead
Tie-Wraps
Controller
Charger Cable
Wheelchair
Frame
Charger
Cable
Mounting Screws
Rubber Washers
MKIV
Controller
Mounting
Screw
Rubber
Washer
DETAIL “A” DETAIL “B”
Tie-Wrap
Tie-Wrap