# Pre-Loading Brackets

## Bracket Pre-Loading Parts Required

| **PART NUMBER**                                         | **DESCRIPTION**                           | **QTY.** |
| ------------------------------------------------------- | ----------------------------------------- | -------- |
| [REV-41-1317](https://www.revrobotics.com/rev-41-1317/) | 15MM BEARING PILLOW BLOCK                 | 10       |
| [REV-41-1320](https://www.revrobotics.com/rev-41-1320/) | 15MM PLASTIC INSIDE CORNER BRACKET        | 10       |
| [REV-41-1307](https://www.revrobotics.com/rev-41-1307/) | 15MM PLASTIC 45 DEGREE BRACKET            | 2        |
| [REV-41-1487](https://www.revrobotics.com/rev-41-1487/) | 15MM METAL BENT HD HEX MOTOR BRACKET V2   | 2        |
| [REV-41-1433](https://www.revrobotics.com/rev-41-1433/) | 15MM METAL BENT CORE HEX MOTOR BRACKET V2 | 1        |
| [REV-41-1485](https://www.revrobotics.com/rev-41-1485/) | 15MM METAL BENT SERVO BRACKET V2          | 1        |
| [REV-41-1359](https://www.revrobotics.com/rev-41-1359/) | M3 X 8MM HEX CAP SCREWS                   | 80       |
| [REV-41-1361](https://www.revrobotics.com/rev-41-1361/) | M3 NYLOC NUTS                             | 80       |

### Pre-Loading 45 Degree Bracket Steps 

{% hint style="warning" %}
Only **two** of the four 45 Degree Brackets in the build will be pre-loaded. 
{% endhint %}

|                                                                                                                                                                                                                                                        |                                                                                                                                     |
| ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ | ----------------------------------------------------------------------------------------------------------------------------------- |
| ![](https://756878072-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M5yw0n8IneF5-9ybLjT%2F-MDRaMoS1o_Ko2Ik5TVR%2F-MDVDMx3wUHt0SnEQVi3%2FEDU%20Kit_Pre-load%2045%20Degree.svg?alt=media\&token=ef30473a-4ad5-4fab-b173-5806fdc12e5b)   | <p>Take a bracket and finger start one Hex Cap Screw and Nyloc Nut per hole.</p><p></p>                                             |
| ![](https://756878072-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M5yw0n8IneF5-9ybLjT%2F-MDKjyl9wVWKLR38B7z5%2F-MDLd8qb94--FC7z_5-2%2FEDU%20Kit_Pre-loaded%2045%20Degree.svg?alt=media\&token=5c6ed865-27b2-4e7e-9dce-68863450c440) | <p><strong>PRE-LOADED BRACKET COMPELTE</strong></p><p>Repeat this step until you have <strong>two</strong> Pre-Loaded Brackets.</p> |

### Pre-Loading Inside Corner Bracket Steps&#x20;

{% hint style="warning" %}
The side of the bracket with “[ribs](https://docs.revrobotics.com/duo-build/structure/brackets#key-terms)” must have the Hex Cap Screw head.
{% endhint %}

|                                                                                                                                                                                                                                             |                                                                                                                    |
| ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------ |
| ![](https://756878072-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M5yw0n8IneF5-9ybLjT%2F-MCJO2HP8-0d6P3fQ3Wa%2F-MCNXpeKDlZTtYN5LK5J%2FACD_Pre-Load%20Corner.svg?alt=media\&token=75e483e5-03c3-41de-931b-3b9982e779c1)   | <p>Take a bracket and finger start one Hex Cap Screw and Nyloc Nut per hole.</p><p></p>                            |
| ![](https://756878072-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M5yw0n8IneF5-9ybLjT%2F-MCJO2HP8-0d6P3fQ3Wa%2F-MCNv_X2QEBoRk6yEPMW%2FACD_Pre-Loaded%20Corner.svg?alt=media\&token=db3df393-dfbc-42aa-aa39-0d2195bcb3aa) | <p><strong>PRE-LOADED BRACKET COMPELTE</strong></p><p>Repeat this step until you have ten Pre-Loaded Brackets.</p> |

### Pre-Loading **Bearing Pillow** Steps&#x20;

{% hint style="warning" %}
The side of the bracket with “[ribs](https://docs.revrobotics.com/duo-build/structure/brackets#key-terms)” must have the Hex Cap Screw head.
{% endhint %}

|                                                                                                                                                                                                                                                    |                                                                                                                    |
| -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------ |
| ![](https://756878072-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M5yw0n8IneF5-9ybLjT%2F-MCJO2HP8-0d6P3fQ3Wa%2F-MCNzqXarvcRwKWKsQX8%2FACD_Pre-Load%20Pillow%20Block.svg?alt=media\&token=cc672fd6-3a1b-43fe-baec-6f049ec9e55c)  | <p>Take a bracket and finger start one Hex Cap Screw and Nyloc Nut per hole.</p><p></p>                            |
| ![](https://756878072-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M5yw0n8IneF5-9ybLjT%2F-MCEN1axcQC8Et-VSY2v%2F-MCENatOdPYdhkS1PbeR%2FACD_Preloaded%20Pillow%20Block.svg?alt=media\&token=89e735da-4d12-43a5-b114-ad9dfb1eeb4d) | <p><strong>PRE-LOADED BRACKET COMPELTE</strong></p><p>Repeat this step until you have ten Pre-Loaded Brackets.</p> |

### Pre-Loading Bent HD Hex Motor Bracket Steps&#x20;

|                                                                                                                                                                                                                                                            |                                                                                                                    |
| ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------ |
| ![](https://756878072-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M5yw0n8IneF5-9ybLjT%2F-MDRaMoS1o_Ko2Ik5TVR%2F-MDWfS-VEJYnTvC0zp2O%2FEDU%20Kit_Pre-load%20Motor%20Bracket.svg?alt=media\&token=ba967046-2ad3-4e3c-9355-4fb221207373)   | <p>Take a bracket and finger start one Hex Cap Screw and Nyloc Nut per hole.</p><p></p>                            |
| ![](https://756878072-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M5yw0n8IneF5-9ybLjT%2F-MDRaMoS1o_Ko2Ik5TVR%2F-MDWelGANkdo2F22zduY%2FEDU%20Kit_Pre-Loaded%20Motor%20Bracket.svg?alt=media\&token=df56d6c6-4f46-48eb-b853-38cc55100daf) | <p><strong>PRE-LOADED BRACKET COMPELTE</strong></p><p>Repeat this step until you have two Pre-Loaded Brackets.</p> |

### Pre-Loading Bent Core Hex Motor Bracket Steps &#x20;

|                                                                                                                                                                                                                                                                 |                                                                                         |
| --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------- |
| ![](https://756878072-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M5yw0n8IneF5-9ybLjT%2F-MDRaMoS1o_Ko2Ik5TVR%2F-MDVDGyfuj06qS8lTJfl%2FEDU%20Kit_Pre-Load%20Core%20Hex%20Bracket.svg?alt=media\&token=923c4fe9-faa7-4ca3-81ff-0e85045407fc)   | <p>Take a bracket and finger start one Hex Cap Screw and Nyloc Nut per hole.</p><p></p> |
| ![](https://756878072-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M5yw0n8IneF5-9ybLjT%2F-MDKjyl9wVWKLR38B7z5%2F-MDLeZEVRkYrGjl7hQ5k%2FEDU%20Kit_Pre-Loaded%20Core%20Hex%20Bracket.svg?alt=media\&token=d612af5d-7e91-4fd0-a22a-6ceabd8d2726) | <p><strong>PRE-LOADED BRACKET COMPELTE</strong></p><p></p>                              |

### Pre-Loading Bent Servo Bracket Steps &#x20;

|                                                                                                                                                                                                                                                            |                                                                                         |
| ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------- |
| ![](https://756878072-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M5yw0n8IneF5-9ybLjT%2F-MDRaMoS1o_Ko2Ik5TVR%2F-MDVDvJVuLiBvPiBoO8b%2FEDU%20Kit_Pre-load%20Servo%20Bracket.svg?alt=media\&token=5f6462ff-5694-4a7a-bcba-8d94723eb9e7)   | <p>Take a bracket and finger start one Hex Cap Screw and Nyloc Nut per hole.</p><p></p> |
| ![](https://756878072-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M5yw0n8IneF5-9ybLjT%2F-MDKjyl9wVWKLR38B7z5%2F-MDLhoplwliP4Dx6hCP7%2FEDU%20Kit_Pre-Loaded%20Servo%20Bracket.svg?alt=media\&token=e320dc02-4d6a-422d-a8c0-aeeaca9145c4) | <p><strong>PRE-LOADED BRACKET COMPELTE</strong></p><p></p>                              |