Prusa fan shroud7/14/2023 Remove the two screws closest to the top of the extruder and carefully take off the cover. Turn your Prusa around, so that you can access the back of the extruder.ĥ. We still need access to the groove mount to remove it though. You should now have the Sink, Heatbreak, Heaterblock, and Nozzle exposed. Carefully remove the front face of the extruder. The one alongside the fan arm can be a little awkward to reach. Remove two M3 x 40mm screws from the front of the extruder body. The lower M3 x 20mm screw also holds the fan shroud in place so be sure to remove this too.Ĥ. The top M3 x 14mm and the lower M3 x 20mm. Next, remove the two screws on the right side of the heatsink fan. Leaving the fan dangling can damage the wires.ģ. Make sure you do not stress the fan wires, they are very fragile. Tuck the fan between the belt and the rod on the X-axis. You should still be able to follow this guide in the same way, although some illustrations may vary from what you have in front of you.Ģ. You may find you have the early MK3 style upright fan on your extruder. Remove the two M3 x 20mm screws holding the part cooling fan in place. All MK3 Prusa Printers are 24V as standard.Ĭheck out our Blog if you are unsure on whether you need a 12 or 24V Revo Six:ġ. You should also place a cloth or piece of fabric over your heatbed to give it some protection in case you drop something onto it.ĭouble-check your printer before buying 12V or 24V. You should also ensure there is no filament loaded and that the printer is unplugged from the power source. Please move your extruder to roughly the centre of your bed and around 100mm above the build plate before starting this upgrade, this will give you easier access to the extruder. If you have an MK2/2.5 you can still follow this guide but you may want to refer to the Prusa documentation for extruder disassembly as some aspects will vary. Please note, your printer may vary from the one illustrated in this guide, depending on the model and your own upgrade choices. You should read through the whole guide before attempting the upgrade to ensure you understand exactly what is required to complete it successfully. You will also need Revo Six or Revo Six MK3 Edition. This is a complete upgrade guide suitable for an original Prusa MK3, MK3S, and MK3S+. If you have a question or would like to see something in our store, please send a message.Īll items have been designed by Prusa Research and are used in accordance with License GNU GPL v3.Prusa released a new firmware 10/01/23 that has the potential to cause temperature issues with the Revo Six, Please refrain from upgrading for the time being until we can verify stability.įor the time being, firmware 3.11.0 is the last known stable firmware for use with Revo HotEnds.īefore upgrading your Prusa i3 with Revo Six please read the following safety cautions. Please view our other Prusa parts and 3D printing accessories. I liked the idea so much, Elf #287 was promoted and is now lead manager in charge of all replacement printer parts soon to be hitting our Etsy shelves! Stay Tuned.Īll parts are printed using Prusa stl files and follows the recommended printing specifications of 0.2mm layer height with 20% infill. PC is even stronger and has better impact properties when compared to ABS.Įlf # 287, who was working with me and Elf # 256 to replace this ailing part, suggested we list this part for other makers who may need to bring their trusty Prusa printer back to spec. But, I did have a some ABS and Polycarbonate (PC). The original piece from Prusa was crafted from ASA due to its high melting temperature, limited odor while printing compared to ABS, and low warpage. The Prusa has continued to melt delicate filament into spectacular creations. The printer has been a steady workhorse even through the injury it sustained during the dreaded incident of June 2020 involving elf #256. Alas the time had come to replace a piece of our beloved Prusa i3 MK3S printer - the fan shroud □.
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