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Introduction

Have you noticed your Creality CR-10s-3D Printer producing lower quality prints than usual? This problem could be due to a worn down nozzle. When continuously running a 3D printer, nozzle wear is imminent and requires eventual replacement. This guide will walk you through the steps of detaching the filament line, removing the nozzle housing, and finally replacing the nozzle itself. This guide requires no special expertise and only minor tool use.

  1. Before attempting any disassembly, ensure that the cables that connect to the printer's central computer are unplugged. Carefully unthread the  golden colored filament hose connector until it is completely detached. Once the threaded hose connector is detached, squeeze the spring-enabled mechanism to release some filament.
    • Before attempting any disassembly, ensure that the cables that connect to the printer's central computer are unplugged.

    • Carefully unthread the golden colored filament hose connector until it is completely detached.

    • Once the threaded hose connector is detached, squeeze the spring-enabled mechanism to release some filament.

  2. A line of filament is still connecting the hose to the body of the 3D printer. Using a cutting device, carefully cut the line of filament until the hose is independent of the printer. When cutting the filament, cut it at a 45 degree angle. This ensures that when the filament is inserted in the new nozzle, the material does not clump inside when melted.
    • A line of filament is still connecting the hose to the body of the 3D printer.

    • Using a cutting device, carefully cut the line of filament until the hose is independent of the printer.

    • When cutting the filament, cut it at a 45 degree angle. This ensures that when the filament is inserted in the new nozzle, the material does not clump inside when melted.

    • Once the filament is cut, place the detached hose out of the way but in a safe part of the printer, as to avoid sticking to another printer component.

  3. Using a 2 mm Allen key, unthread the two 5.5 mm screws from the nozzle fan casing. Unthread the top screw and then the side screw as shown. While unthreading the screws, hold the fan casing with one hand so as not to allow it fall once completely detached. Once the fan casing is detached,  ensure that it's positioned in a way that doesn't damage the external wires and attachments.
    • Using a 2 mm Allen key, unthread the two 5.5 mm screws from the nozzle fan casing. Unthread the top screw and then the side screw as shown.

    • While unthreading the screws, hold the fan casing with one hand so as not to allow it fall once completely detached.

    • Once the fan casing is detached, ensure that it's positioned in a way that doesn't damage the external wires and attachments.

  4. Using the 2mm Allen key, unthread the two 17.5 mm screws that hold the nozzle assembly to the printer railing. Using the 2mm Allen key, unthread the two 17.5 mm screws that hold the nozzle assembly to the printer railing. Using the 2mm Allen key, unthread the two 17.5 mm screws that hold the nozzle assembly to the printer railing.
    • Using the 2mm Allen key, unthread the two 17.5 mm screws that hold the nozzle assembly to the printer railing.

  5. Using a crescent wrench, start to unthread the current nozzle from the nozzle assembly. Once the nozzle is loose enough, unthreading by hand will speed up the process. If this is the first time the nozzle is being replaced, it might be threaded onto the assembly very tightly. In this instance, firmly grasp the nozzle assembly to prevent it from slipping out of your hands. In the case that it is still too tight, gently clamp the assembly to a table or bench and unthread the nozzle.
    • Using a crescent wrench, start to unthread the current nozzle from the nozzle assembly.

    • Once the nozzle is loose enough, unthreading by hand will speed up the process.

    • If this is the first time the nozzle is being replaced, it might be threaded onto the assembly very tightly. In this instance, firmly grasp the nozzle assembly to prevent it from slipping out of your hands. In the case that it is still too tight, gently clamp the assembly to a table or bench and unthread the nozzle.

  6. Once the nozzle is completely unthreaded, inspect the assembly for filament debris. Start by threading the new nozzle into the assembly by hand. Using the same crescent wrench, tighten the new nozzle onto the assembly. This completes the tutorial to replace a Creality CR-10s 3D printer nozzle!
    • Once the nozzle is completely unthreaded, inspect the assembly for filament debris.

    • Start by threading the new nozzle into the assembly by hand. Using the same crescent wrench, tighten the new nozzle onto the assembly.

    • This completes the tutorial to replace a Creality CR-10s 3D printer nozzle!

Conclusion
  • To reassemble your device, follow these instructions in reverse order.
  • If you would like to ensure the nozzle replacement has been followed correctly, calibrate your 3D printer.

One other person completed this guide.

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