> For the complete documentation index, see [llms.txt](https://tworks-wiki.gitbook.io/cnc-3-axis-turn-mill/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://tworks-wiki.gitbook.io/cnc-3-axis-turn-mill/getting-started-and-get-cutting/change-remove-tool.md). # Change / Remove Tool ### Find Machine Hard home 1 . Press Shift and Go Home on the keypad to the index gantry , carriage , and Z assembly . 2 . Press Shift and Five to open the chuck and remove the tool from the tool changer ### Changing / removing Tool and Collet 1 . Take out the Tool Holder and open it by turning the Collet nut and the end with two wrenches.

remove toolholder

Disassemble Tool holder

2 . Take out the toolbit and unscrew the tool holder to seperate collet and chuck.

Remove toolbit

3 . Select the size of the Collet and the tool bit to be inserted and test by inserting the tool in collet.

Collet and tool size selection

Checking fit

4 . After deciding itis the correct size , Place the collet in the collet nut and insert the toolbit and assemble the Tool holder by srewing back .

Place in collet nut

insert toolbit

assemble Tool holder

5 . Tighten the Tool holder by using wrencehs and place the Tool holder back in the same place.

Tighten TOolholder

Insert toolholder

{% hint style="info" %} The Tool holder must be placed back in the same place where it has ben taken out of. {% endhint %} {% hint style="info" %} The tool holder must be placed by turning it inside, without pushing as shown in the image to the right. {% endhint %}