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Como reemplazar un ventilador de impresión (MK4 / MK3.9)

Como reemplazar un ventilador de impresión (MK4 / MK3.9)

Como reemplazar un ventilador de impresión (MK4 / MK3.9)
Relevante para :
Ultima actualización a month ago
Como reemplazar un ventilador de impresión (MK4 / MK3.9)
 Dificultad
Moderada
 Pasos
10
 Idiomas disponibles
ENCSPLDEITFRJA
Introducción
Introducción
Introducción
This guide will take you through the Print fan replacement on your Original Prusa MK4 or MK3.9.
Todas las piezas necesarias están disponibles en nuestra tienda prusa3d.com.
Note that you have to be logged in to have access to the spare parts section.
Preparation
Preparation
Preparation
Before you start, make sure the extruder on your printer is in the middle of both the X and Z axes.
Power off your printer and disconnect it from the power.
Loveboard cover removal
Loveboard cover removal
Loveboard cover removal
Remove the loveboard cover on the extruder by lifting it up.
Disconnect the print fan from the Loveboard.
Note there is a small safety latch on the connector, which must be pushed in, while you pull the connector out, in order to disconnect it.
Extracción del ventilador
Extracción del ventilador
Extracción del ventilador
Using the 2.5mm Allen key, remove the two M3x6 screws holding the print fan.
Remove the print fan.
Print fan cable management
Print fan cable management
Print fan cable management
Take the replacement print fan and guide its cable through the opening in the print fan holder.
Tuck the cable into the dedicated channel in the print fan holder. The cable must not protrude out of the channel, otherwise, it won’t be able to insert the fan later on.
Print fan installation
Print fan installation
Print fan installation
Print fan installation

Cover the cable with the print fan, as seen in the picture.

First, insert the bottom of the fan into the fan shroud (printed part below the fan). Then, press the fan towards the print fan holder behind it.

¡No aprietes el cable!
Make sure there is no gap between the print fan and the print fan holder behind it - meaning, the cable fits properly into the dedicated channel.
Make sure the fan has been inserted properly into the fan shroud.
Finishing the fan installation
Finishing the fan installation
Finishing the fan installation
Finishing the fan installation
Fix the fan in place using two M3x6 screws.
Connect the fan cable into the corresponding connector on the Loveboard.
Cover the extruder with the Loveboard cover on top. Make sure none of the cables gets pinched.
Hecho
Hecho
Hecho
The fan replacement is finished. Verify your extruder is assembled as seen in the picture.
To test out the fan functionality, visit the menu Control > Calibrations & Tests > Fan test.
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