Question about Janome L-344 Mechanical Sewing Machine

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L-344 loose stiching

Machine is threaded properly. Proper needle for cotton is being used. Same thread is being used both on the top and in the bobbin. Bobbin is threaded proprerly. Tension dial is currently set on 3...but the stiches are loose no matter what the tension is. No matter how high or how low, the stiches remain so loose they can be pulled from the fabric without effort. I am stumped. Any ideas?

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  • Anonymous Mar 26, 2014

    can't get top tension to normal...too loose no matter what number I use

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You need to do a tension assembly test. Normal 0 MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman";} Tension assembly test. To do this test. Pull the thread through the tension assembly and test it to make sure the tension is working correctly.
(To do this test, adjust your tension setting to normal or medium or 5 or something in the middle. Raise the presser foot and pull the thread through the tension. It should pull easily!! Lower the presser foot and pull the thread. It should pull noticeably harder.)
If it doesn’t work this way then you probably have a piece of thread or lint stuck inside the tension discs. To remove it, turn the tension to 0 zero and raise the presser foot.Using a small screwdriver, open the space between the discs and spray with canned or compressed air. The stuff should come out. Do the tension test again to make sure you got everything and then try sewing again.
sewman7

Posted on Dec 24, 2008

  • John Free Dec 24, 2008

    You need to do a tension assembly test.






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    Tension assembly test. To do this test. Pull the thread
    through the tension assembly and test it to make sure the tension is working
    correctly.

    (To do this test, adjust your tension setting to normal or medium or 5 or
    something in the middle. Raise the presser foot and pull the thread through the
    tension. It should pull easily!! Lower the presser foot and pull the thread. It
    should pull noticeably harder.)


    If it doesn’t work this way then you probably have a piece
    of thread or lint stuck inside the tension discs. To remove it, turn the
    tension to 0 zero and raise the presser foot.Using a small screwdriver, open
    the space between the discs and spray with canned or compressed air. The stuff
    should come out. Do the tension test again to make sure you got everything and
    then try sewing again.
    sewman7



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1 Answer

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You might try cleaning the tension disks by dampening a length of pearl cotton with rubbing alcohol, open the tension disk all the way, raise the presser foot, and then pull the pearl cotton down between the disks a couple of times.

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Make sure you RAISE the presser foot BEFORE threading the upper thread. Rethread the thread from the beginning checking that thread is not wrapping around the spool pin or catching somewhere in the threading sequence.

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