Prusa CORE One Nozzle Replacement

ID: 182464

Description: The following guide is based on information and...

Steps:

1. Close the printer's door.
2. Unload the filament via the printers Unload filament feature.
3. Remove the filament spool from the printer
4. Cool down the printer by navigating to Preheat, then Cooldown, and wait for the temprature to drop to the ambient temperature.
5. Ensure that the printer has cooled down completely before continuing.

6. Set your Z-Axis to 100 mm or more by going to Control, Move Axis then Move Z
7. Allow your printer's heatbed to move
8. Once the heatbed has finished moving, turn your printer off using the power switch on the back of the printer.
9. Remove the power cord from the printer to prevent the printer from being powered on accedently.

10. Remove the Top Cover of the printer by pushing the nylon rivets from the inside.
11. Once pushed out, the rivets can be removed from the outside.
12. Remove all the rivets using the same method detailed above.
13. Once all the rivits have been removed, the top cover of the printer can be removed.

14. Cover your Heatbed with a piece of cloth, or other thick material.
15. This is to prevent your Heatbed from being damaged in the event your Hotend assembly is dropped during the dissassembly process.

16. Remove the two M3x10 screws holding the side over to the assembly.
17. Once the screws are removed, take the cover off your assembly.

18. Disconnect the cable for the Hotend Heater
19. Disconnect the cable for the Hotend Thermistor.
20. Each cable features a safety latch that holds each cable in its place. Be sure to press the latch before disconnecting to keep from damaging the connector.

21. Carefully unrout the disconnected hotend cables from the cable guide.
22. Grasp the Hotend with one hand.
23. With your free hand, loosen the two thumb screws holding the Hotend in place. Removing the thumb screws is not nessessary. A few turns is enough to get the Hotend free.
24. The Hotend will fall out if not held properly. Be sure you have your cloth protecting your Headbed.
25. Carefully slide the Hotend assembly out of the Heatsink.

26. Remove the protective silicone sock from the heater block.
27. Use the 13 mm wrench to hold the heater block.
28. Use the 7 mm wrench to grasp and loosen the nozzle from the heater block.
29. Once loosened you can manually unscrew, and slide the nozzle out from the heater block.