Question about Janome MyLock 634D Mechanical Sewing Machine

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My new janome serger balance wheel seems locked

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Posted on Apr 03, 2010

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SOURCE: janome mylock 234 d

It may be rusted or a looper may be bent. Take it into a sewing machine dealer for service/repair.

Posted on Apr 20, 2010

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SOURCE: serger is frozen, how to fix #634D Janome My Lock

Are the cloth plate and front looper covers fully closed? some machines have safety cutout on these for obvious reasons.

Check this firstly.

Can you hear the engine humming?

If yes, but no movement when you press the foot pedal, then it is possible that a gear inside the main drive area has failed. Try manually turning the flywheel towards you, if there is no movement from the loopers and needles then this is likely.

Take it to the dealer.

Posted on May 24, 2011

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My Janome MYlock 434d overlocker's balance wheel will not turn. It was given to me by my mother and has not been used in some time. Is there a locking mechanism that is causing the wheel to not turn

No, it probably means that the old oil has solidified and glued the moving parts together. Your machine needs a thorough cleaning and oiling.


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It may be rusted or a looper may be bent. Take it into a sewing machine dealer for service/repair.

Apr 20, 2010 | Janome MyLock 634D Mechanical Sewing...

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