> For the complete documentation index, see [llms.txt](https://inventables.gitbook.io/x-carve-assembly/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://inventables.gitbook.io/x-carve-assembly/risers.md).

# Risers

In this step we will install the risers that create a rigid connection between the Y-Axis rails and the machine base.

| ***Core Components Kit*** |                         |              |
| ------------------------- | ----------------------- | ------------ |
| **SKU**                   | **Name**                | **Quantity** |
| 25281-12                  | M5 Tee Nut Pre-Assembly | 4            |

| ***Z-Axis / Riser / Stiffener Kit*** |                                      |              |
| ------------------------------------ | ------------------------------------ | ------------ |
| **SKU**                              | **Name**                             | **Quantity** |
| 30844-01                             | Riser Plates                         | 4            |
| *30874-01*                           | *Riser Upgrade Hardware Subassembly* |              |
|                                      | Socket Head Screw M5 x 14            | 8            |
|                                      | Socket Head Screw M5 x 10            | 8            |
|                                      | M5 Tee Nut Twist On                  | 8            |

![](/files/yWm8VhpLa46WLzzFigMN)

Insert 2x M5 pre-assembly t-slot nuts into the top slot of each Y axis makerslide rail.   These will be used to hold the belts in a later step.

<div align="center"><img src="/files/-Mj6SCoDlZoWJ6C1k6Q1" alt=""></div>

Begin by placing 2 M5x10mm socket head screws through the bottom holes on the riser plate and loosely thread an M5 Tee Nut onto each.&#x20;

![](/files/VdVOdhNbHMdUOQtlPSEZ)

![](/files/DM30ybJmQA3D7uRSNBaP)

Place the riser against the corresponding Y axis and then thread 2 M5x14mm socket head screws through the second and third holes from the top per the image below.&#x20;

![](/files/WIQTxEqr8S19xaNEVRhB)

Using a 4mm hex key, tighten all 4 screws on each riser. Repeat this process for the remaining 3 risers and ensure that the orientation of the riser plate aligns with the edge of the stiffeners.

![](/files/0BOIie953GQ1tZZ3PGFs)

{% hint style="info" %}
You can use this point to check that your Y-Axes are square and level using the [Calibration and Maintenance guide](/x-carve-assembly/calibration-and-maintenance.md#squaring-the-y-axis-rails). You will need to loosen the stiffener panels to avoid damaging them when shifting the rails.&#x20;
{% endhint %}


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