--- title: How to remove the pulleys noise (BCN3D Sigmax) description: In this guide you will learn how to perform some tasks to avoid noise from the pulleys --- [Skip to content](https://support.bcn3d.com/knowledge/remove-pulley-noise-bcn3d-sigmax#main-content) English Show submenu for translations [Contact support](https://support.bcn3d.com/knowledge/kb-tickets/new?hsLang=en) [Customer portal](https://support.bcn3d.com/repair-service?hsLang=en) ![knowledge-base-header-bcn3d-logo.png\]](https://support.bcn3d.com/hs-fs/hubfs/Knowledge%20base/Header/knowledge-base-header-bcn3d-logo.png?height=40&name=knowledge-base-header-bcn3d-logo.png) - [Default HubSpot Blog](https://blog.bcn3d.com/) Open main navigation Close main navigation - [Default HubSpot Blog](https://blog.bcn3d.com/) - English Show submenu for translations - [Contact support](https://support.bcn3d.com/knowledge/kb-tickets/new) - [Customer portal](https://support.bcn3d.com/repair-service) - [BCN3D forum](https://www.bcn3d.com/community/) [BCN3D forum](https://www.bcn3d.com/community/) Hello. 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[Troubleshooting](https://support.bcn3d.com/knowledge/sigma-sigmax?hsLang=en#troubleshooting) # How to remove the pulleys noise (BCN3D Sigmax) ## In this guide you will learn how to perform some tasks to avoid noise from the pulleys   | **Tools** |   | | --- | --- | | ![allen-2-icon](https://support.bcn3d.com/hs-fs/hubfs/Knowledge%20base/Tools/allen-2-icon.png?width=16&name=allen-2-icon.png) | > Allen key 2mm | | ![allen-icon](https://support.bcn3d.com/hs-fs/hubfs/Knowledge%20base/Tools/allen-icon.png?width=21&name=allen-icon.png) | > Allen key 4mm | | ![allen-icon](https://support.bcn3d.com/hs-fs/hubfs/Knowledge%20base/Tools/allen-icon.png?width=21&name=allen-icon.png) | > Allen key 8mm | ---   The noises in the pulley usually come for bad lubrication or for damage in the Y smooth bar, usually comes from the right side pulleys, on the Y-axis smooth bar. To remove the noise follow the next steps:   ![y-axis-pulley](https://support.bcn3d.com/hs-fs/hubfs/Knowledge%20base/Sigma-Sigmax%20R19/Y%20axis%20noise/y-axis-pulley.png?width=677&name=y-axis-pulley.png) **1.** First of all, turn off and unplug the printer. | ![sigmax-turn-off-1](https://support.bcn3d.com/hs-fs/hubfs/Knowledge%20base/Sigma-Sigmax%20R19/how%20to%20change%20extruder%20driver%20sigmax/sigmax-turn-off-1.png?width=388&name=sigmax-turn-off-1.png) | ![sigmax-turn-off-2](https://support.bcn3d.com/hs-fs/hubfs/Knowledge%20base/Sigma-Sigmax%20R19/how%20to%20change%20extruder%20driver%20sigmax/sigmax-turn-off-2.png?width=388&name=sigmax-turn-off-2.png) | | --- | --- |   | **2.** Slightly loosen the 2 set screws without completely removing them from the pulley. | ![screw-icon](https://support.bcn3d.com/hs-fs/hubfs/Knowledge%20base/Tools/screw-icon.png?width=18&name=screw-icon.png)**x2 M4 4mm** | | --- | --- |   ![Motor pulley](https://support.bcn3d.com/hs-fs/hubfs/Knowledge%20base/Draft/Motor%20pulley.png?width=677&name=Motor%20pulley.png) **3.** Rotate the pulleys around the smooth bar and tighten the set screws, avoid fixing the set screw over the initial position. If the noise is coming from the front pulleys, slightly lose the M8 Allen screw, and apply some lubricating oil to both the screw and the pulley. Then tighten the screw again. | ![front-pulley](https://support.bcn3d.com/hs-fs/hubfs/Knowledge%20base/Sigma-Sigmax%20R19/Y%20axis%20noise/front-pulley.png?width=387&name=front-pulley.png) | ![front-pulley-2](https://support.bcn3d.com/hs-fs/hubfs/Knowledge%20base/Sigma-Sigmax%20R19/Y%20axis%20noise/front-pulley-2.png?width=387&name=front-pulley-2.png) | | --- | --- |   **Conclusions** If pulleys are still noisy or you can't unscrew the set screws, please contact with the support team by filling this [form](https://support.bcn3d.com/knowledge/kb-tickets/new?hsLang=en). #### [Forum Community](https://support.bcn3d.com/knowledge/bcn3d-forum-community?hsLang=en) Repair didn’t go as planned? Check out our **[forum community](https://support.bcn3d.com/knowledge/bcn3d-forum-community?hsLang=en) **for troubleshooting help.   It's important to keep your printer in good shape to make the most out of it. In this chart, you can find a list of the extruder maintenance procedures and how frequently these should be done. [Maintenance Plan](https://support.bcn3d.com/knowledge/maintenance-plan-bcn3d-sigmax?hsLang=en)   ![bcn3d-recycle](https://support.bcn3d.com/hs-fs/hubfs/Knowledge%20base/Tools/bcn3d-recycle.png?width=27&name=bcn3d-recycle.png)  Take your e-waste to a certified recycler. [Check how we do it in BCN3D.](https://support.bcn3d.com/knowledge/environment-bcn3d?hsLang=en)   | --- #### RELATED ARTICLES | | --- | | [![printing issues eng](https://support.bcn3d.com/hs-fs/hubfs/Knowledge%20base/Related%20Articles%20English/printing%20issues%20eng.png?width=600&name=printing%20issues%20eng.png)](https://support.bcn3d.com/en/knowledge/solve-quality-issues?hsLang=en) | [![adjust belt tension eng](https://support.bcn3d.com/hs-fs/hubfs/Knowledge%20base/Related%20Articles%20English/adjust%20belt%20tension%20eng.png?width=600&name=adjust%20belt%20tension%20eng.png)](https://support.bcn3d.com/knowledge/adjust-tension-belts-bcn3d-sigmax?hsLang=en) | | --- | --- |   | **You can help improve the BCN3D Knowledge Base.** If you feel there are guides that we are missing or you found any error, please use this form to report it. **[Report form](https://share.hsforms.com/1F7t1sBuOQyWlAeRwwFSjgQ3fec5)** :) | | --- | - 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