> For the complete documentation index, see [llms.txt](https://docs.revrobotics.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.revrobotics.com/brushless/neo/550/pinion-pressing.md).

# Pinion Pressing Guide

## NEO 550 Pinion Pressing Guide

### Needed Materials:

* [NEO 550 (REV-21-1651)](https://www.revrobotics.com/rev-21-1651/)
* Press Fit Pinion
* Arbor Press

<figure><img src="/files/wPYtVowPmDgstu6uhGLm" alt=""><figcaption></figcaption></figure>

### Steps

| 1) Place the NEO 550 upright in the arbor press. Make sure to hold the bottom of the motor flat against the press plate, supporting the bottom of the shaft. | ![](/files/MommZlHmPGt7liNJyUsS) |
| ------------------------------------------------------------------------------------------------------------------------------------------------------------ | -------------------------------- |
| 2) Place the pinion on the shaft and press. Take care to not over-press on the NEO 550 shaft!                                                                | ![](/files/IMAsqHYm8I3ohjkI3SUH) |