--- title: Unclogging the Asteroid Toolhead description: How to Unclog the Asteroid Toolhead --- [Skip to content](https://www.help.protosthetics.com/galileo/how-to-unclog-the-asteroid-toolhead#main-content) English Show submenu for translations ![ProtostheticsGalileo Logo](https://www.help.protosthetics.com/hubfs/ProtostheticsGalileo%20Logo.svg) Open main navigation Close main navigation - English Show submenu for translations - [Contact us](https://www.help.protosthetics.com/galileo/contact-us) [Contact us](https://www.help.protosthetics.com/galileo/contact-us?hsLang=en) How can we help you? - There are no suggestions because the search field is empty. 1. [Galileo by Protosthetics](https://www.help.protosthetics.com/galileo?hsLang=en) 2. [Hardware Troubleshooting & Maintenance](https://www.help.protosthetics.com/galileo/hardware-troubleshooting-maintenance?hsLang=en) 3. [Hardware Troubleshooting - Pro](https://www.help.protosthetics.com/galileo/hardware-troubleshooting-maintenance?hsLang=en#hardware-troubleshooting-pro) March 4, 2026 # Unclogging the Asteroid Toolhead ### Basics things to try first: 1\. Push the green lever all the way back (this loosens the tension completely). Then pull the filament out of the toolhead. - Use a pliers to get a better grip on filament to remove the stuck filament if you need to 2\. After the filament has been removed, try to load filament and push it through at the normal temperature then if it still doesn’t work increase temp to 290C 3\. If that doesn't work, carefully push a 2mm hex into the toolhead, from the top. The filament stuck inside may extrude out of the toolhead   ### Taking apart the tool head: #### Required Tools & Supplies: 2.5mm hex key 2mm hex key needle nose pliers   ### Instructions: Small Parts: Keep track of all screws and washers! Make sure to fully cool down tool head before removing. #### Note: Be gentle with the toolhead during disassembly. Cables and connection are more fragile than they appear. If you are confused or damage occurs during disassembly, let Protosthetics know right away. Delayed notice of breakage or negligence during a disassembly may incur a repair fee. ### Here is a quick video guide of the process: ### Task 1: Remove tool head from printer. It may be helpful to lower the tool head. Click Menu → Move Axis → Park for Tool Head Swap 1\. Flip the red switch on the printer to the off position. 2\. Remove Proto cover by unscrewing top center screw using the 2.5mm hex key ![](https://image.crisp.chat/process/original/?url=https%3A%2F%2Fstorage.crisp.chat%2Fusers%2Fhelpdesk%2Fwebsite%2Fbb61eef0a8622800%2Fimage_1ew17lo.png)   3\. Unplug all three connectors ![](https://image.crisp.chat/process/original/?url=https%3A%2F%2Fstorage.crisp.chat%2Fusers%2Fhelpdesk%2Fwebsite%2Fbb61eef0a8622800%2Fimage_pzjhu7.png)   4\. Unscrew the top two screws using the 2.5mm hex key ![](https://image.crisp.chat/process/original/?url=https%3A%2F%2Fstorage.crisp.chat%2Fusers%2Fhelpdesk%2Fwebsite%2Fbb61eef0a8622800%2Fimage_684t55.png)   5\. Unscrew the long, back screw ![](https://image.crisp.chat/process/original/?url=https%3A%2F%2Fstorage.crisp.chat%2Fusers%2Fhelpdesk%2Fwebsite%2Fbb61eef0a8622800%2Fimage_1rtdr8h.png)     ### Task 2: Remove toolhead from the printer 1\. Gently place the toolhead aside You can place screws on the magnetic bed to keep them in one place   ### Task 3: Remove the circular fan and fan shroud 1\. Remove the screw on fan using a 2mm hex key. ![](https://image.crisp.chat/process/original/?url=https%3A%2F%2Fstorage.crisp.chat%2Fusers%2Fhelpdesk%2Fwebsite%2Fbb61eef0a8622800%2Fimage_121ayle.png)   2\. Pull circular fan out ![](https://image.crisp.chat/process/original/?url=https%3A%2F%2Fstorage.crisp.chat%2Fusers%2Fhelpdesk%2Fwebsite%2Fbb61eef0a8622800%2Fimage_58t7up.png)   3\. Remove the 2 front fan shroud screws using a 2mm hex key. ![](https://image.crisp.chat/process/original/?url=https%3A%2F%2Fstorage.crisp.chat%2Fusers%2Fhelpdesk%2Fwebsite%2Fbb61eef0a8622800%2Fimage_kzwj16.png)   4\. Remove the side fan shroud screw using a 2mm hex key ![](https://image.crisp.chat/process/original/?url=https%3A%2F%2Fstorage.crisp.chat%2Fusers%2Fhelpdesk%2Fwebsite%2Fbb61eef0a8622800%2Fimage_1x58j76.png)   5\. Slide fan shroud off ![](https://image.crisp.chat/process/original/?url=https%3A%2F%2Fstorage.crisp.chat%2Fusers%2Fhelpdesk%2Fwebsite%2Fbb61eef0a8622800%2Fimage_umvzo7.png)   ### Task 4: Remove the square fan and heat sink 1\. Unscrew the top two screws on the square fan using a 2.5mm hex key, and then pull the square fan off ![](https://image.crisp.chat/process/original/?url=https%3A%2F%2Fstorage.crisp.chat%2Fusers%2Fhelpdesk%2Fwebsite%2Fbb61eef0a8622800%2Fimage_1jir5zb.png)   2\. Remove the the two heat sink screws using a 2mm hex key ![](https://image.crisp.chat/process/original/?url=https%3A%2F%2Fstorage.crisp.chat%2Fusers%2Fhelpdesk%2Fwebsite%2Fbb61eef0a8622800%2Fimage_nft6vx.png)   3\. Carefully pull the heat sink down to access the clog. ![](https://image.crisp.chat/process/original/?url=https%3A%2F%2Fstorage.crisp.chat%2Fusers%2Fhelpdesk%2Fwebsite%2Fbb61eef0a8622800%2Fimage_1576xkg.png) Note: Please be extra careful during this step. Ensure all cables within the orange circle are still attached to the heat block(the silver piece below the heat sink) while pulling off the heat sink.   ### Task 5: Remove the clog 1\. Use a pair needle nose pliers to pull out filament #### Note: Take a photo of before and after removing the clog. We need these pictures for troubleshooting. #### Do n**ot damage the silver cylinder that the filament is protruding from. If you have any questions on how to remove the filament clog, don't hesitate to let us know**. ![](https://image.crisp.chat/process/original/?url=https%3A%2F%2Fstorage.crisp.chat%2Fusers%2Fhelpdesk%2Fwebsite%2Fbb61eef0a8622800%2Fimage_15jlyi6.png)   ### Task 6: Reassemble the tool head and attach on printer. 1\. Reverse steps 1.3 to 4.3 (no need to put proto cover back on) Note: When reassembling the printer, ensure all cables within the orange circle on step 4.3 are still attached to the heat block(the silver piece below the heat sink) when reattaching the heat sink. 2\. 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