Question about Brother LS-1520 Mechanical Sewing Machine
First try taking your bobbin case right out of the machine (not sure if this model has a top loading or front loading bobbin, but your manual will help you here) and floss out the tension slot with a piece of strong thread. Don't use waxed dental floss, but non-waxed would work okay. (The bobbin case is the piece that the bobbin sits in.) Look around while you have the machine open and remove any fluff and thread you can see - TURN MACHINE OFF BEFORE DOING THIS! Replace bobbin case. Replace bobbin and make sure it "clicks" into the tension slot.
Then unthread the top of the machine, clean the tension disks by passing a folded dollar bill (or any paper money, depends on what country you are in) through the disks in the direction you thread the machine. Do this several times. Re-thread making sure you follow the correct thread path.
Make sure the needle plate is on firmly.
If after all that it still won't work, I'm sorry to say that it sounds like you have a misaligned needle bar. This commonly happens after you have a major thread snaffoo and needle breakage. The needle gets caught in the thread knot, pulls to the side and breaks but if it gets seriously caught it can pull the needle bar out of place. You cannot put the needle bar back in place yourself - it's a job for the workshop. Don't sew on your machine until it is fixed. The noise you are hearing is likely to be the needle striking against the needle plate or even the bobbin. Your timing will probably need re-setting too and this needs to be done by a qualified technician.
If you really need to sew before you can get your machine into the workshop, and if you can move the needle position on your machine by pressing a "sideways" button of some sort, you could try to get the needle in the centre yourself using this feature. This will not help if it is the timing that is the major problem.
Posted on May 03, 2009
Well, from the picture I see that your bobbin is a front load as opposed to a top load.. if you tilt the front panel down, you will see where the bobbin and casing goes. Put the bobbin in the casing with the thread pulling from the right hand side of the casing making sure the thread in guided into the small **** on the top edge of the casing.. On the back of the casing the will be a small tab. Pull that away from the casing and enter the casing in to the opening for the bobbin. It should snap into place when you release the little tab.
Posted on May 29, 2009
SOURCE: brothers sewing machine ls 1520
I hope this is your machine, check it out
1 Buttonhole foot (1 pc.)
2 Zipper foot (1 pc.)
3 Button sewing Foot (1 pc.)
4 Needle set (regular single needle No. 14) (3 pcs.)
5 Twin needle (1 pc.)
6 Bobbins (3 pcs.)
7 Darning plate (1 pc.)
8 Screwdriver (1 pc.)
9 Extra spool pin (1 pc.)
Parts code for zigzag presser foot: 138135-051
Foot controller: X57319-051 (110/120V Area)
XA6422-021 (220/240V Area)
XA6414-021 (Australia, New Zealand)
The above accessories are stored in the accessory bag inside the
extension table. These accessories have been designed to help
complete most sewing tasks.
Posted on Aug 28, 2009
Try some metal bobbins, #15 or SA 156. that seems to help. If, you don't have a manual go to brother.com and download one for free
Posted on Jul 27, 2010
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