> For the complete documentation index, see [llms.txt](https://promega.printm3d.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://promega.printm3d.com/repair-and-maintenance/install-uninstall/limit-switch-holder/y-axis.md).

# Y Axis

## What is the Y Limit Switch Holder?

This is the Y Limit Switch Holder.

![](/files/-LQ6C4bGv-dRiFS8b9jq)

## Warning

Exercise caution if you attempt to fit your head underneath the bed. The frame could potentially cause lacerations.  

* Use protective headgear (e.g. tear-resistant fabric).
* Enter slowly. Do not rush. 
* Make sure the bed is properly positioned.

## Tools

* T10 Screwdriver

## Additional Hardware

* ***None***

## How To Uninstall

Run:

```
M18 Z
```

This disables the Z motor. Lower the bed until it touches the Z limit switch.

Unscrew the Y Limit Switch Holder (printed part):

![](/files/-LPRXSAwif5SizKKcMFs)

Remove the Limit Switch from the holder:

![](/files/-LPRYCz_xAYyq5Ueocz-)

## How To Install

Slide the Limit Switch into the Y Limit Switch Holder (printed part):

![](/files/-LPRYIBa1ZgPqdS6s2c5)

Screw down the Y Limit Switch:

![](/files/-LPRXSAwif5SizKKcMFs)

Done.