7. Y-axis Motor & Pinion Assembly

Step #02 - Aligning the Bearings

List of Components

ItemSpecQty
 Offset spacer10x14x12mm2
 LocknutM81

Tools needed

Allen Key 5mm Spanner 13mm

Instructions

  1. Insert the 2 offset spacers on the shoulder screw.
    1. Use the locknut to tighten the assembly and force the bearings to move against one another, until you can't tighten the screw anymore.
      1. Remove the locknut and the offset spacers, and replicate the same operation on the other pinion drive plate assembly.

        Animation

        This operation is important since it allows getting a perfect alignment at the end of the whole assembly.