- Make sure that the main machine is switched off and that its power cord is disconnected before doing the following procedure.
 
- If the A3 LCT is already installed, disconnect it and pull it away from the side of the machine.
- Lock lever (
x1)
 - Interface cable (
x1
 - Ground screw (
x1)
 
 - Lock lever (
 - Remove the screws from the right cover of the A3 LCT (
x6).
 - Hold the bottom of the right cover, push it to the left to disconnect the hooks at the top edge of the cover, and pull it away.
 - Connect the heater assembly [A] and the cable [B] (
x1).
 - Pull out each tray until it stops. You do not need to remove them.
 - Attach the heater assembly to the bottom plate of the LCT (
x3).
 - Attach the clamp [A] and the saddle clamp [B], and then close the clamps around the harness (
x4).
 - Re-attach the right cover (
x6).
 - Remove the left stay [A] from the A3 LCT (
x4).
 Attach the two heater covers at the bottom left of the A3 LCT (
x4).
- The heater harnesses must pass between the two covers.
 - Make sure that the harnesses are not pinched between the covers.
 
- Re-attach the stay to the bottom left of the A3 LCT (
x4).
 - Remove the connector plate from the bottom edge of the main machine (
x1).
 - Push the LCT close to the main machine.
 - Re-connect the green ground wire (
x1).
 Connect the heater cable (
x1).
- Confirm that the relay harness and the ground wire are not pinched between the mainframe and the A3 LCT.