{"product_id":"auxiliary-part-cooling-fan-h2-series-for-bambu-lab","title":"Auxiliary Part Cooling Fan - H2 Series for Bambu Lab","description":"\u003cp\u003eThe Auxiliary Part Cooling Fan is a powerful 12W cooling fan installed on the left side of the printer chamber, providing better cooling conditions for high-speed printing.\u003c\/p\u003e\n\u003ch3\u003eIn the Box\u003c\/h3\u003e\n\u003cp\u003e- Auxiliary Part Cooling Fan*1\u003c\/p\u003e\n\u003cp\u003e- BTG3-14.5 Screw*2\u003c\/p\u003e\n\u003cp\u003e- Soft Screw*2\u003c\/p\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eH2 Series\u003c\/p\u003e\n\u003ch3\u003eReplace H2D Auxiliary Part Cooling Fan\u003c\/h3\u003e\n\u003cp\u003eThis article describes how to replace H2D Auxiliary Part Cooling Fan\u003c\/p\u003e\n\u003ch3\u003eAuxiliary Part Cooling Fan\u003c\/h3\u003e\n\u003cp\u003eThe auxiliary part cooling fan is installed on the left side of the printer chamber, providing better cooling conditions for high-speed printing.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"image-61.png\" src=\"https:\/\/wiki.bambulab.com\/h2\/maintenance\/replace-auxiliary-part-cooling-fan\/image-61.png\"\u003e\u003c\/p\u003e\n\u003ch3\u003eThe spare parts of the auxiliary part cooling fan include the following:\u003c\/h3\u003e\n\u003cp\u003e1.Auxiliary part cooling fan * 1\u003c\/p\u003e\n\u003cp\u003e2.Soft screws - used to fix the two screw holes in the upper row of the auxiliary part cooling fan * 2;\u003c\/p\u003e\n\u003cp\u003e3.BT3x16 screws - used to lock the two screw holes in the lower row of the auxiliary part cooling fan * 2.\u003c\/p\u003e\n\u003ch3\u003eWhen to use\u003c\/h3\u003e\n\u003cp\u003eBlade damage or fan motor failure\u003c\/p\u003e\n\u003cp\u003eSqueaky fan\u003c\/p\u003e\n\u003ch3\u003eTools and materials needed\u003c\/h3\u003e\n\u003cp\u003eNew auxiliary part cooling fan\u003c\/p\u003e\n\u003cp\u003eH2.0 Allen key\u003c\/p\u003e\n\u003cp\u003eSpecifications and quantities of screws involved in replacing the H2D left side panel (it is recommended to keep the removed screws properly to avoid loss):\u003c\/p\u003e\n\u003cp\u003eBT3x8x12pcs;\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eM3x3（Nut diameter 10mm) \u003c\/span\u003ex 4pcs;\u003c\/p\u003e\n\u003cp\u003eBT3x16x2pcs;\u003c\/p\u003e\n\u003cp\u003eST3x3x2pcs;\u003c\/p\u003e\n\u003cp\u003eST3x8x11pcs;\u003c\/p\u003e\n\u003cp\u003eST3x12x2pcs;\u003c\/p\u003e\n\u003ch3\u003eSafety Warning\u003cbr\u003eIMPORTANT!\u003c\/h3\u003e\n\u003cp\u003eIt's crucial to power off the printer before conducting any maintenance work, including work on the printer's electronics and tool head wires. Performing tasks with the printer on can result in a short circuit, leading to electronic damage and safety hazards.\u003c\/p\u003e\n\u003cp\u003eDuring maintenance or troubleshooting, you may need to disassemble parts, including the hotend. This exposes wires and electrical components that could short circuit if they contact each other, other metal, or electronic components while the printer is still on. This can result in damage to the printer's electronics and additional issues.\u003c\/p\u003e\n\u003cp\u003eTherefore, it's crucial to turn off the printer and disconnect it from the power source before conducting any maintenance. This prevents short circuits or damage to the printer's electronics, ensuring safe and effective maintenance. For any concerns or questions about following this guide, we recommend submitting a technical ticket regarding your issue and we will do our best to respond promptly and provide the assistance you need.\u003c\/p\u003e\n\u003ch3\u003eRemove the Auxiliary Part Cooling Fan\u003c\/h3\u003e\n\u003ch3\u003eStep 1: Lower the Heatbed\u003c\/h3\u003e\n\u003cp\u003eControl the heatbed through the screen and lower it to the bottom of the printer.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0759\/4531\/2569\/files\/2025-12-25T112217.186.jpg?v=1766632961\"\u003e\u003c\/p\u003e\n\u003cp\u003eAfter lowering the heatbed, turn off the printer and disconnect the power.\u003c\/p\u003e\n\u003ch3\u003eStep 2: Remove the Rear Panel\u003c\/h3\u003e\n\u003cp\u003eBefore removing the left side panel, you need to remove the rear panel first. You can refer to this Wiki to remove the H2D rear panel:\u003c\/p\u003e\n\u003ch3\u003eStep 3: Remove the Front Glass Door\/Front Laser Safety Window\u003c\/h3\u003e\n\u003cp\u003eUse an H2.0 Allen key to remove the 4 screws (M3x3, nut diameter 10mm) that secure the front door, 2 screws on the top and 2 screws on the bottom, then hold the front glass door with one hand and remove the front door.\u003c\/p\u003e\n\u003cp\u003eBe sure to hold the front glass door with your hand to prevent it from falling.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"image-76.png\" src=\"https:\/\/wiki.bambulab.com\/h2\/maintenance\/replace-auxiliary-part-cooling-fan\/image-76.png\"\u003e\u003cimg alt=\"image-78.png\" src=\"https:\/\/wiki.bambulab.com\/h2\/maintenance\/replace-auxiliary-part-cooling-fan\/image-78.png\"\u003e\u003c\/p\u003e\n\u003ch3\u003eStep 4: Take down the Auxiliary Part Cooling Fan\u003c\/h3\u003e\n\u003cp\u003e1.Use an H2.0 Allen key to remove the two fixing screws (BT3x16) at the bottom of the auxiliary part cooling fan.\u003c\/p\u003e\n\u003cp\u003eNote: The fixing screws of the H2D auxiliary part cooling fan are all located in the small holes on the top.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"image-77.png\" src=\"https:\/\/wiki.bambulab.com\/h2\/maintenance\/replace-auxiliary-part-cooling-fan\/image-77.png\"\u003e\u003c\/p\u003e\n\u003cp\u003e2.The two screws above the auxiliary part cooling fan are soft screws. After you remove the two screws below, you can hold the auxiliary part cooling fan and unplug the fan directly. After unplugging it, you can first prevent the auxiliary part cooling fan from being placed on the heatbed.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"image-81.png\" src=\"https:\/\/wiki.bambulab.com\/h2\/maintenance\/replace-auxiliary-part-cooling-fan\/image-81.png\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"image-79.png\" src=\"https:\/\/wiki.bambulab.com\/h2\/maintenance\/replace-auxiliary-part-cooling-fan\/image-79.png\"\u003e\u003c\/p\u003e\n\u003cp\u003eStep 5: Remove the Left Side Panel Fixing Screws\u003c\/p\u003e\n\u003cp\u003e1.Use an H2.0 Allen key to remove the two fixing screws (BT3×8) that lock the upper frame and one fixing screw (BT3×8) that locks the beam.\u003c\/p\u003e\n\u003cp\u003eNote: The corresponding holes are reserved on the AP board. The two fixing screws of the upper frame can be removed without removing the AP board. The following figure shows the AP board removed for easy shooting.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/wiki.bambulab.com\/h2\/maintenance\/replace-auxiliary-part-cooling-fan\/image-101.png\" alt=\"image-101.png\"\u003e\u003cimg src=\"https:\/\/wiki.bambulab.com\/h2\/maintenance\/replace-auxiliary-part-cooling-fan\/image-103.png\" alt=\"image-103.png\"\u003e\u003c\/p\u003e\n\u003cp\u003e2.Two screws (M3×3) locked on the pillar. These screws are behind the rubber strip. You need to pry open the rubber strip from its opening, and then you can see the screws.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/wiki.bambulab.com\/h2\/maintenance\/replace-auxiliary-part-cooling-fan\/image-90.png\" alt=\"image-90.png\"\u003e\u003cimg src=\"https:\/\/wiki.bambulab.com\/h2\/maintenance\/replace-auxiliary-part-cooling-fan\/image-104.png\" alt=\"image-104.png\"\u003e\u003cimg src=\"https:\/\/wiki.bambulab.com\/h2\/maintenance\/replace-auxiliary-part-cooling-fan\/image-99.png\" alt=\"image-99.png\"\u003e\u003c\/p\u003e\n\u003ch3\u003eStep 6: Remove the Left Side Panel\u003c\/h3\u003e\n\u003cp\u003e1.In addition to screws, the left side panel is also fixed to the printer with buckles. Before opening the left side panel, please tear off the silicone on the left side panel and loosen the hall connector of the left side panel from the cable buckle of the AC board cable cover to avoid breaking the cable when opening the side panel.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/wiki.bambulab.com\/h2\/maintenance\/replace-auxiliary-part-cooling-fan\/image-98.png\" alt=\"image-98.png\"\u003e\u003cimg src=\"https:\/\/wiki.bambulab.com\/h2\/maintenance\/replace-auxiliary-part-cooling-fan\/image-91.png\" alt=\"image-91.png\"\u003e\u003c\/p\u003e\n\u003cp\u003e2.Then you can first open the buckle at the back of the printer;\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/wiki.bambulab.com\/h2\/maintenance\/replace-auxiliary-part-cooling-fan\/image-97.png\" alt=\"image-97.png\"\u003e\u003cimg src=\"https:\/\/wiki.bambulab.com\/h2\/maintenance\/replace-auxiliary-part-cooling-fan\/image-92.png\" alt=\"image-92.png\"\u003e\u003c\/p\u003e\n\u003col start=\"3\"\u003e\u003c\/ol\u003e\n\u003cp\u003e3.Then you can use the Allen key to pry open the buckle on the top of the left side panel, pry open the left side panel from the front, disconnect the hall connector of the left side panel, tear off the tape on the left side panel, and then remove the left side panel.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/wiki.bambulab.com\/h2\/maintenance\/replace-auxiliary-part-cooling-fan\/image-96.png\" alt=\"image-96.png\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/wiki.bambulab.com\/h2\/maintenance\/replace-auxiliary-part-cooling-fan\/image-95.png\" alt=\"image-95.png\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/wiki.bambulab.com\/h2\/maintenance\/replace-auxiliary-part-cooling-fan\/image-93.png\" alt=\"image-93.png\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/wiki.bambulab.com\/h2\/maintenance\/replace-auxiliary-part-cooling-fan\/image-102.png\" alt=\"image-102.png\"\u003e\u003c\/p\u003e\n\u003cp\u003ePlease note that there is a round silicone plug in the screw hole behind the auxiliary part cooling fan. Be careful when removing the side panel to avoid losing it.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/wiki.bambulab.com\/h2\/maintenance\/replace-auxiliary-part-cooling-fan\/image-94.png\" alt=\"image-94.png\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/wiki.bambulab.com\/h2\/maintenance\/replace-auxiliary-part-cooling-fan\/image-100.png\" alt=\"image-100.png\"\u003e\u003c\/p\u003e\n\u003ch3\u003eStep 7: Remove the Auxiliary Part Cooling Fan\u003c\/h3\u003e\n\u003cp\u003e1.Remove the tape that covers the auxiliary part cooling fan cable, loosen the cable, and then place the tape on the beam so that you can use it to secure the cable later.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/wiki.bambulab.com\/h2\/maintenance\/replace-auxiliary-part-cooling-fan\/image-105.png\" alt=\"image-105.png\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/wiki.bambulab.com\/h2\/maintenance\/replace-auxiliary-part-cooling-fan\/image-119.png\" alt=\"image-119.png\"\u003e\u003c\/p\u003e\n\u003cp\u003e2.Press the buckle on the auxiliary part cooling fan cable connector (as indicated by the red arrow in the figure below), disconnect the cable from the MC board, and pull the cable out from the gap between the left liner and the pillar.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/wiki.bambulab.com\/h2\/maintenance\/replace-auxiliary-part-cooling-fan\/image-118.png\" alt=\"image-118.png\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/wiki.bambulab.com\/h2\/maintenance\/replace-auxiliary-part-cooling-fan\/image-116.png\" alt=\"image-116.png\"\u003e\u003cimg src=\"https:\/\/wiki.bambulab.com\/h2\/maintenance\/replace-auxiliary-part-cooling-fan\/image-117.png\" alt=\"image-117.png\"\u003e\u003c\/p\u003e\n\u003ch3\u003eStep 8: Remove the Soft Screws of Auxiliary Part Cooling Fan (Optional)\u003c\/h3\u003e\n\u003cp\u003eIf your soft screws are not damaged or are long enough to pass through the auxiliary part cooling fan, you can ignore this step and do not need to replace the soft screws.\u003c\/p\u003e\n\u003cp\u003eYou can remove the two soft screws from the printer beam by pulling them on the outside.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0759\/4531\/2569\/files\/2025-12-25T120050.810.jpg?v=1766635275\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch3\u003eInstall the Auxiliary Part Cooling Fan\u003c\/h3\u003e\n\u003ch3\u003eStep 1: Install the Soft Screws of Auxiliary Part Cooling Fan (Optional)\u003c\/h3\u003e\n\u003cp\u003eIf your soft screws are not damaged or are long enough to pass through the auxiliary part cooling fan, you can ignore this step and do not need to replace the soft screws.\u003c\/p\u003e\n\u003cp\u003eInsert the soft screw through the small hole in the beam and pull the soft screw until it snaps into the beam.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/wiki.bambulab.com\/h2\/maintenance\/replace-auxiliary-part-cooling-fan\/image-115.png\"\u003e\u003cimg alt=\"image-110.png\" src=\"https:\/\/wiki.bambulab.com\/h2\/maintenance\/replace-auxiliary-part-cooling-fan\/image-110.png\"\u003e\u003cimg alt=\"image-109.png\" src=\"https:\/\/wiki.bambulab.com\/h2\/maintenance\/replace-auxiliary-part-cooling-fan\/image-109.png\"\u003e\u003c\/p\u003e\n\u003ch3\u003eStep 2: Connect the Fan Cable\u003c\/h3\u003e\n\u003cp\u003e1.Pass the connector of the new auxiliary part cooling fan through the gap between the side panel and the liner, connect it to the MC board, and finally clip the hall sensor connectors (red, white and black) on the left side panel and the auxiliary part cooling fan connector into the cable buckle of the AC board cover;\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/wiki.bambulab.com\/h2\/maintenance\/replace-auxiliary-part-cooling-fan\/image-111.png\" alt=\"image-111.png\"\u003e\u003cimg src=\"https:\/\/wiki.bambulab.com\/h2\/maintenance\/replace-auxiliary-part-cooling-fan\/image-107.png\" alt=\"image-107.png\"\u003e\u003cimg src=\"https:\/\/wiki.bambulab.com\/h2\/maintenance\/replace-auxiliary-part-cooling-fan\/image-106.png\" alt=\"image-106.png\"\u003e\u003c\/p\u003e\n\u003cp\u003e2.Use tape to attach the cable to the beam.\u003c\/p\u003e\n\u003cp\u003eNote: You can use old tape to attach it.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/wiki.bambulab.com\/h2\/maintenance\/replace-auxiliary-part-cooling-fan\/image-108.png\" alt=\"image-108.png\"\u003e\u003c\/p\u003e\n\u003ch3\u003eStep 3: Secure the Clips of the Left Side Panel\u003c\/h3\u003e\n\u003cp\u003e1.Before installation, please check whether the silicone plug at the screw hole of the beam is installed in place. If not, please check whether it is left on the left beam of the printer;\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/wiki.bambulab.com\/h2\/maintenance\/replace-auxiliary-part-cooling-fan\/image-134.png\" alt=\"image-134.png\"\u003e\u003cimg src=\"https:\/\/wiki.bambulab.com\/h2\/maintenance\/replace-auxiliary-part-cooling-fan\/image-130.png\" alt=\"image-130.png\"\u003e\u003c\/p\u003e\n\u003cp\u003e2.Align the two large pins at the bottom of the left side panel with the corresponding small holes at the bottom of the printer and insert them, then connect the hall effect sensor on the left side panel to the hall connector, and re-stick the tape that sticks the hall connector to the side panel;\u003cbr\u003eIt is recommended to push the buckle on the back of the printer first, as these clips do not have fixed tabs, making them easier to push in.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"image-132.png\" src=\"https:\/\/wiki.bambulab.com\/h2\/maintenance\/replace-auxiliary-part-cooling-fan\/image-132.png\"\u003e\u003cimg alt=\"image-133.png\" src=\"https:\/\/wiki.bambulab.com\/h2\/maintenance\/replace-auxiliary-part-cooling-fan\/image-133.png\"\u003e\u003cimg alt=\"image-128.png\" src=\"https:\/\/wiki.bambulab.com\/h2\/maintenance\/replace-auxiliary-part-cooling-fan\/image-128.png\"\u003e\u003c\/p\u003e\n\u003cp\u003ePush the left side panel upwards slowly, hold the armrest with your hand, insert the buckle of the armrest into the bottom of the printer, and then insert the two small buckles near the front door and the back into the corresponding small holes at the bottom of the printer;\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"image-129.png\" src=\"https:\/\/wiki.bambulab.com\/h2\/maintenance\/replace-auxiliary-part-cooling-fan\/image-129.png\"\u003e\u003cimg alt=\"image-131.png\" src=\"https:\/\/wiki.bambulab.com\/h2\/maintenance\/replace-auxiliary-part-cooling-fan\/image-131.png\"\u003eAfter installing the bottom of the left side panel, please check whether all the buckles at the bottom are in place and not floating. Then push the right side panel inward and secure all the buckles in place.\u003c\/p\u003e\n\u003cp\u003eThe buckles are redundantly designed. If they break during the disassembly and assembly process, it will not affect normal use. It is fine as long as there is no floating.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"image-123.png\" src=\"https:\/\/wiki.bambulab.com\/h2\/maintenance\/replace-auxiliary-part-cooling-fan\/image-123.png\"\u003e\u003c\/p\u003e\n\u003ch3\u003eStep 4: Tighten the Left Side Panel Fixing Screws\u003c\/h3\u003e\n\u003cp\u003e1.Use an H2.0 Allen key to tighten the two screws (BT3x8) on the inside of the left side panel, and then use an H2.0 Allen key to tighten the one screw (BT3×8) fixed to the beam;\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/wiki.bambulab.com\/h2\/maintenance\/replace-auxiliary-part-cooling-fan\/image-122.png\"\u003e\u003cimg alt=\"image-124.png\" src=\"https:\/\/wiki.bambulab.com\/h2\/maintenance\/replace-auxiliary-part-cooling-fan\/image-124.png\"\u003e\u003c\/p\u003e\n\u003cp\u003e2.Pry open the opening on the silicone strip and tighten the two fixing screws (ST3x3) with an H2.0 Allen key;\u003cbr\u003eIf the opening is difficult to tear open, you can use an Allen key to assist in prying it open.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"image-121.png\" src=\"https:\/\/wiki.bambulab.com\/h2\/maintenance\/replace-auxiliary-part-cooling-fan\/image-121.png\"\u003e\u003cimg alt=\"image-127.png\" src=\"https:\/\/wiki.bambulab.com\/h2\/maintenance\/replace-auxiliary-part-cooling-fan\/image-127.png\"\u003e\u003cimg alt=\"image-120.png\" src=\"https:\/\/wiki.bambulab.com\/h2\/maintenance\/replace-auxiliary-part-cooling-fan\/image-120.png\"\u003e\u003c\/p\u003e\n\u003ch3\u003eStep 5: Install the Auxiliary Part Cooling Fan\u003c\/h3\u003e\n\u003ch3\u003eMethod One：\u003c\/h3\u003e\n\u003cp\u003e1.Pass the soft screw through the small hole near the inside of the auxiliary part cooling fan, then pull the soft screw by hand to fix the top of the auxiliary part cooling fan with the soft screw; install the soft screw on the outside after the inside is installed;\u003c\/p\u003e\n\u003ch3\u003eNote:\u003c\/h3\u003e\n\u003cp\u003eYou can hear a \"click\" sound when the soft screw is pulled into place;\u003c\/p\u003e\n\u003cp\u003eThe soft screw is made longer at the factory for easy installation. After installation, you can use scissors to cut off some of it for a better appearance.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"image-125.png\" src=\"https:\/\/wiki.bambulab.com\/h2\/maintenance\/replace-auxiliary-part-cooling-fan\/image-125.png\"\u003e\u003cimg alt=\"image-126.png\" src=\"https:\/\/wiki.bambulab.com\/h2\/maintenance\/replace-auxiliary-part-cooling-fan\/image-126.png\"\u003e\u003cimg alt=\"image-144.png\" src=\"https:\/\/wiki.bambulab.com\/h2\/maintenance\/replace-auxiliary-part-cooling-fan\/image-144.png\"\u003e\u003cimg alt=\"image-142.png\" src=\"https:\/\/wiki.bambulab.com\/h2\/maintenance\/replace-auxiliary-part-cooling-fan\/image-142.png\"\u003e\u003c\/p\u003e\n\u003cp\u003e2.Use an H2.0 Allen key to tighten the two bottom fixing screws.\u003c\/p\u003e\n\u003cp\u003eNote: The fixing screws of the H2D auxiliary part cooling fan are all located in the small holes on the top.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/wiki.bambulab.com\/h2\/maintenance\/replace-auxiliary-part-cooling-fan\/image-143.png\" alt=\"image-143.png\"\u003e\u003c\/p\u003e\n\u003ch3\u003eMethod Two:\u003c\/h3\u003e\n\u003cp\u003e1.Align the auxiliary part cooling fan with the screw holes on the left panel, then use an H2.0 Allen key to tighten the two bottom fixing screws (BT3x16);\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/wiki.bambulab.com\/h2\/maintenance\/replace-auxiliary-part-cooling-fan\/image-141.png\" alt=\"image-141.png\"\u003e\u003c\/p\u003e\n\u003cp\u003e2.Gently pull apart the auxiliary part cooling fan with both hands, align the two screw holes at the top of the fan with the soft screws, and insert the soft screws into the holes.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"image-139.png\" src=\"https:\/\/wiki.bambulab.com\/h2\/maintenance\/replace-auxiliary-part-cooling-fan\/image-139.png\"\u003e\u003cimg src=\"https:\/\/wiki.bambulab.com\/h2\/maintenance\/replace-auxiliary-part-cooling-fan\/image-138.png\" alt=\"image-138.png\"\u003e\u003c\/p\u003e\n\u003cp\u003e3.Use tweezers to pull out the soft screws slightly, then pull the soft screws to secure the fan in place.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/wiki.bambulab.com\/h2\/maintenance\/replace-auxiliary-part-cooling-fan\/image-137.png\" alt=\"image-137.png\"\u003e\u003cimg src=\"https:\/\/wiki.bambulab.com\/h2\/maintenance\/replace-auxiliary-part-cooling-fan\/image-136.png\" alt=\"image-136.png\"\u003e\u003c\/p\u003e\n\u003ch3\u003eStep 6: Install the Front Glass Door\/Front Laser Safety Window\u003c\/h3\u003e\n\u003cp\u003eAlign the 4 screw holes on the front door with the screw holes on the hinge, hold the front glass door steady with your hands, and use an H2.0 Allen key to tighten the 4 screws (M3x3, nut diameter 10mm).\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/wiki.bambulab.com\/h2\/maintenance\/replace-auxiliary-part-cooling-fan\/image-135.png\" alt=\"image-135.png\"\u003e\u003cimg src=\"https:\/\/wiki.bambulab.com\/h2\/maintenance\/replace-auxiliary-part-cooling-fan\/image-140.png\" alt=\"image-140.png\"\u003e\u003c\/p\u003e\n\u003ch3\u003eStep 7: Install the Rear Panel\u003c\/h3\u003e\n\u003cp\u003eYou can refer to this Wiki to replace the rear panel:\u003ca href=\"https:\/\/wiki.bambulab.com\/en\/h2\/maintenance\/replace-rear-panel\" class=\"is-internal-link is-valid-page\"\u003eReplace H2D Rear Panel\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eVerify the Functionality\u003c\/h3\u003e\n\u003cp\u003eConnect the power cable and turn on the power, tap the Auxiliary Part Cooling Fan icon on the screen to turn on the auxiliary part cooling fan.\u003c\/p\u003e\n\u003cp\u003eIf the auxiliary part cooling fan works as expected, the replacement is complete. Otherwise, go back to the inspection steps and connect and try again. If the problem persists, contact the Bambu Lab service team for further assistance.\u003c\/p\u003e","brand":"Bambu Lab","offers":[{"title":"H2 Series","offer_id":53333362770233,"sku":null,"price":45.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0759\/4531\/2569\/files\/Auxiliary_Part_Cooling_Fan_for_H2_Series.jpg?v=1779871006","url":"https:\/\/p3d.mx\/es\/products\/auxiliary-part-cooling-fan-h2-series-for-bambu-lab","provider":"P3D","version":"1.0","type":"link"}