Invacare M71 service manual Replacing the Mkiv RII Controller

SECTION 11—CONTROLLER AND JOYSTICK

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 page 89.

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 FIGURE 11.4) .

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 FIGURE 11.4).

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.

DETAIL “A”

RIGHT Motor Lead LEFT Motor Lead

Charger

Cable

Controller

Charger Cable

Tie-Wraps

	DETAIL “B”
	Rubber Washers
Mounting Screws	Tie-WrapWheelchair
	Frame
	MKIV
	Controller
Mounting
Screw

Rubber

Washer

Tie-Wrap

FIGURE 11.4 Replacing the MKIV RII Controller

Part No 1118377 101 Pronto® M71™