a. Unload filament, power machine off, and use knob wrench (Figure 1.4-1) to remove right cover.
b. Completely open filament chamber, unplug the cable to the motor locating in backside of filament chamber. Figure 5.2-1
c. Remove 4 screws highlighted in Figure 5.2-2, and motor will drop down, then take it out.
d. If the new motor has no gear on it, loosen the set screw on the old one and move the gear onto the new motor. Figure 5.1-3