1. rear end assembly

2. wear safety glasses

3. expect some sanding and gluing
Don’t force parts together or they may break. If they do break, then super glue can be used for repair. 3D printed parts may be rough and require sanding so that they fit together … this is to be expected.

4. most of the holes in the 3D printed parts need cleaning out
1/8-inch diameter drill bit works well in most cases

5. parts for mounting rear wheels
parts to support left rear wheel
parts to support right rear wheel

6. mount parts with screws and nuts provided

7. put on left rear wheel order of nuts, washers and hex insert
nylock nut … tighten until it starts to contact but still spins freely

8. right wheel parts
the set screw tightens against the flat part of the motor shaft
set screw
wheel coupling

9. slide wheel coupling up until it covers the flat on the motor shaft, then tighten set screw

10. back right wheel fully installed

11. completed rear end