1.
2.
3.
a. Follow 2.1 to take extruder assembly off the machine.
b. Unplug J3 (feed motor) in left interconnection board. Figure 2.3-1
2.3-1
c. Remove 4 screws (Figure 2.3-2, Figure 2.3-3) fixing the rail with 2.5mm hex screwdriver, then take the motor and rail assembly off (Figure 2.3-4).
2.3-2
2.3-3
2.3-4