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FangDoc59

M3 Tension nut/screw in extruder on UM2+

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I have ben having a recurring problem with under extrusion, and grinding from the UM2+ and after many frustrating hours, and failed prints, i discovered that the small M3 Nut in the extruded has stripped its threads and so the tension on any flames was incorrect, so causing the under extrusion and on thicker filaments (3mm) excessive grinding.

If any other user has had this problem then i'd like to hear, or alternatively if any user is getting these problems, just swap out the M3 nut and screw from the extruder and hopefully problem solved.

 

hope this helps anybody with similar problems

 

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