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.
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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