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Editing Step 18 —

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Carefully push the stepper motor all the way to the extruder body. Attach it to the extruder body with two M3x25 SHCS and M3 nuts as indicated by the red arrows.

Make sure the set screw remains visible and the groove in the drive gear stays aligned with the filament path as shown.

Tighten the set screw (blue arrow) securely.

The second photo shows the correct orientation for the wiring harness.

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