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PASO 14
Retirando el tubo de PTFE viejo
Press the black plastic collet.
Remove the PTFE tube from the hotend.
While the black collet is still pressed down, push the PTFE tube in and then
pull it out. This way, you will disengage the small metal hooks inside the black
collet first. If you force the PTFE tube out without the hooks properly
disengaged, the PTFE tube can jam inside.
Throw the worn-out PTFE tube immediately to the nearest trash bin to avoid
installing it back by accident ;)
PASO 15
New PTFE tube installation
Now it is time to insert the new PTFE tube. Note, that each end of the tube is
different.
One end of the tube has an outer chamfer. This end must be inside the hotend.
The other side has an inner chamfer. This conical shape is the filament entry. This
part must be outside the hotend.
Push the PTFE tube in. Slide it all the way in and hold it!
Using your other hand pull the collet out while you keep pushing the PTFE tube
in. THIS IS CRUCIAL for the hotend to work properly.
After you finish inserting the new PTFE tube, check that the whole hotend is
tightened up and nothing got loose during the process.
9B. Mod extrusor MK3S+ / MK3.5 (KIT)
Ensamblaje Original Prusa MMU3
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