Invacare M71 service manual Replacing the MK5-NX or MK660 ACC Controller

SECTION 11—CONTROLLER AND JOYSTICK

Replacing the MK5-NX or MK660 ACC Controller

WARNING

DO NOT attempt to perform this procedure with any power supplied to the wheel chair. The joystick and batteries MUST be disconnected prior to beginning to remove the MK5-NX controller module. Otherwise, equipment damage and/or personnel injury may occur.

NOTE: For this procedure, refer to FIGURE 11.5 on page 102.

NOTE: There are five cables connected to the MK5-NX or MK660 ACC Controller Module. These cables must be disconnected before the controller can be removed.

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 cables (joystick, motors, battery, charger, actuator) from the controller (Detail “A” or “B” of FIGURE 11.4).

5.From inside the wheelchair frame, remove the two mounting screws and rubber washers that secure the existing controller to the wheelchair frame (Detail “C” of FIGURE 11.4).

6.Remove the existing controller from wheelchair frame.

7.Reverse STEPS 1-6 to install new controller.

DETAIL “A” - MK5-NX
RIGHT Motor Lead		LEFT Motor Lead
Joystick Cable
Charger Cable	Battery Cable
DETAIL “B” - MK6600 ACC
RIGHT Motor Lead		LEFT Motor Lead
Joystick Cable
Actuator Cable	Battery Cable

DETAIL “C”

Rubber Washer

Mounting Screws

Wheelchair

Frame

MK5 Controller

Rubber Washer

FIGURE 11.5 Replacing the MK5-NX or MK660 ACC Controller

Pronto® M71™ 102 Part No 1118377