Assemble the double bearing holder onto the X motor mount with 4x M3 x 12 SHCS and washers.
Leave the bearing holder loose at this point.
Parts to assemble bearing holder.
Bearing holder assembled, take note of orientation.
3 Install the Z switch adjustment screw.
Install the Z switch adjustment screw, with spring and M3 Washer.
Parts required for adjustment screw
Note washer at bottom of spring
4 Install the motor and pulley.
Install pulley onto motor shaft, verify one set screw is aligned with the flat on the motor shaft.
Install motor onto X motor mount using 4x M3 x 12 SHCS and M3 washers.
Take note of the alignment of the motor wires.