I do not use the machine a pile but when I tried this time the stitches seem uneven and the tension first was off on the bottom and that was fixed but now the tension is off on the top
SOURCE: Zigzag stitch pulling tight, looks wrong
Try adusting the bobbin thread instead of the top. Always make sure to insert the bobbin so the thread is pulling in a clock wise direction. Both threads top and bobbin should have about the same resitance when pulled.
SOURCE: CONSEW 206RB5 TOP THREAD NOT FORMING STITCHES AND BREAKING
you have your thread tension too tight that's why it is pulling the bottom stitch all the way through it looks good from the bottom but not good on top. Its pulled the stitch all the way through the material.
I had my own upholstery shop 18 yrs and tension gets you every time.Just loosen the top tension.
SOURCE: upper thread getting tangled in the bobbin
Always remember T-N-T. Thread, Needle, Tension. Assuming its threaded properly, is the needle all the way in and facing the right direction? These symptoms also suggest the bobbin may be in the bobbincase upside down thus turning in the wrong direction. Hope this helps.
SOURCE: Yet another stitch tension problem...
Thank you, thank you! I just tightened the screw on my bobbin case and that instantly fixed my thread tension problem. How on earth are you supposed to know about the little screw?! I thank you so much for the tip!
SOURCE: Zigzag stitch not right.
This is an issue entirely related to the timing of the hook to the needle.
What model is your machine, top loading or front loading bobbin ?
The correct passage of the hook behind the needle, is generally very similar for either type of bobbin...adjustment requires the ability to disengage the shaft movement tying the top (needle) and bottom (hook) so that each may move separately and the small adjustment be made.
As the needle rises from the lowest position approx 1.2mm, the tip of the hook should be at the point of beginning to pass behind the needle, to pick up the bobbin thread, when in wide zig zag and at the widest and furthest travel of the hook........there is a shallow "groove" in the back of the needle just above the eye to allow a very close pass by the hook as it whizzes around.
If the hook travels clockwise, the furthest needle position is when the ZZ is in the right stitch position, so conversely, if the motion is anti-clockwise, the left needle position is the one to set.
The method of releasing the two shafts from each other will depend on the machine model, typically there are grub screws on the bottom shaft near the drive belt, or connected to the handwheel at the top........generally 2 screws at 60 degree offset in either case.
Re-timing is not especially difficult, but does require knowledge of the screws to aim for, hence the model is necessary info.....
...If you want any more help with this, just post back here with a photo of the machine (< 150kb) , or, drop a line through the "Contact Us" page at www.bargainbox.com.au and remind me of the posting.
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