Invacare FDX User Manual

4.

Remove the tie-wraps securing the right side wiring bundle together (FIGURE 3, Detail “A”).

5.

Remove the two mounting screws securing the controller bracket to the wheelchair base frame (FIGURE 2).

6.

Lifting up on the controller bracket, disengage the controller bracket from the wheelchair base frame.

7.

Using one hand to support the controller bracket, use the other hand to disconnect the two motor connectors, the rear battery wiring 

connector, the joystick connector and the auxiliary wiring harness connector (if equipped with power seating system, running light package or 

other powered accessory) from the controller (FIGURE 3, Detail “A”).

8.

Set the controller bracket aside.

9.

Disconnect the rear battery wiring connector from the rear battery connector (FIGURE 3, Detail “B”).

10. Remove the rear battery from the wheelchair base frame.



When removing or installing the rear battery, DO NOT allow the controller bracket to come in contact with the top of 
the battery. ALWAYS remove the controller bracket from the wheelchair base frame when removing the batteries - 
otherwise injury or damage may occur.