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    Extruder clicks, but only in one direction

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    • Muggaundefined
      Mugga
      last edited by

      Hello guys,
      I got a quite strange issue. After a long print my extruder stopped working (skipped). I thought that I had a nozzle blockage, and cleaned everything several times. After that its also didnt work.

      I then tried to extrude without filament running trough the hotend and it still "clicks". So the issue seems to be on that side. I got a Titan extruder, I disassembled everything a few times, but still the same issue. The funny thing though is, that is only clicks when I extrude. Retract is working fine.

      Does anyone of you guys know what could cause that problem?

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      • boldnutsundefined
        boldnuts
        last edited by

        Could be the known issue of the bearings failing

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        • timcurtis67undefined
          timcurtis67
          last edited by

          Yep, sounds like bearing failure. How strong are you running your spring tension?

          You don't need a lot of tension to feed filament. I run mine about a third of the way in on nut. Keeping with that gains me long bearing life.

          Check both bearings on the large gear, One of them is probably wrecked.

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          • Muggaundefined
            Mugga
            last edited by

            I've checked that, but i cant really see any damage. But on the other hand I don't really know what else could cause this issue.

            Tension is prettly low max is also about 1/3 of the way.

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            • timcurtis67undefined
              timcurtis67
              last edited by

              Are the connections to the extruder stepper motor good? No bad crimps? That would usually make the stepper "rattle" instead of click but it's worth a look.

              Or the stepper motor just doesn't have enough torque to drive the filament anymore? Crank up the current or the temp on the nozzle to see if it changes at all.

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              • Muggaundefined
                Mugga
                last edited by

                It has to be related to the extruder itself. I even tried a different motor, different cable and also switched to the second extruder ouput on the duet.

                Everytime the same issue, the big gear in the Titan skips, so not the filament. All tested without any filament running trought the hotend.

                I've wrote a mail to e3d and my reseller hope I get a new one or the necessary parts.

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                • Muggaundefined
                  Mugga
                  last edited by

                  Hey guys, just wanted to update here.
                  I got new parts from E3D and now everything runs smooth again, so it was related to the bearing gate issue.

                  Thx for the tip with the bearing gate.

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