When the needle comes down it hits just short of the groove it should move through. Instead it hits the plastic and scrapes along until it stops moving. Then it jams up and does not make a stitch. It's as though the timing is off. I was using the machine just fine until I tried to sew on a button and forgot to raise the teeth back up right after that.
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the needle position is up tight in the holder and no where else
the cut away bit of the needle faces the bobbin case hook and the groove in the needle faces the end of the machine and gives clearance for the thread to pass through the material
from your description and what you did, the needle /hook timing needs adjusting as it is out
turn the machine over by hand as in sewing and watch the position of the eye of the needle and the bobbin case hook
just as the needle starts to move up, the hook should be just above the eye of the needle at the edge of the needle
The adjustment is by loosing off the screw on the vertical shaft at the end of the machine that is attached to an arm that moves the needle up and down and move that bit up or down until the needle is positioned correctly to the hook
tighten up the screw
next is to check the needle tension is not too tight
workshop manuals are available on line in pdf version or take it to a sewing machine repair shop for a proper diagnosis
Timing" is the alignment of the needle at its lowest point and the hook on the bobbin case. The point of the hook must pass directly behind the "scarf" of the needle fo the interlocking loop of a "single needle lockstitch" machine to occur. Look closely at the needle. You will see the long groove along the front of it. This is where the thread rides as the needle goes up and down. If you look at the back of the needle you will see a flattened area just above the point. This is the "scarf"; it's flattened to permit the hook of the bobbin case to run right by it and catch the loop. When a machine is out of "time", the hook is either too early or too late, OR to far away from the scarf to make the connection. You can send a machine out of time by hitting a pin, or breaking a needle "hard" (too fast through too many layers, etc.). You can usually identify a machine that is out of time by multiple skipped stitches at high speeds, or by stitching fast and then quickly putting it into reverse. Sometimes, you can scrape by if you rotate the insertion of your needle a little bit, this can help compensate for minor timing issues.
look down in there there is a hook to grab the top thread may have gotten bent or loosend , you may also try comparing the new neddle with the old and be sure it is correct, look for a small latch under the grab foot, please rate -jeff
I am wondering if it could be an issue with the type of needle you put in there. I am having trouble with a sewing machine tension and the store people told me that you have to use the manufacturer/ original style bobbin (it's engineered to fit the gadget 'Just so').
I know on my non-computerized Brother sewing machine, that I can change the needle position to L/M/R and I see it move when I move it left and right.
I guess you've probably checked all of the other settings on your machine?
Is the presser foot coming unscrewed?
Ensure needle/needle bar is fully up at its highest point, replace the bobbin case with its open end seated at the back, the rotary hook tip should be just underneath it, just check further that it resides nicely along the groove of the rotary hook, re install the needle plate cover and tighten the 2 holding screws so that the bobbin case can be nicely in place, manually and slowly hand wheel the needle down several time to ensure the bobbin case is not unseated/needle is not knocking the bobbin case. Hope this can help/otherwise there are adjustments that need your local technician to do it.
Remove the faceplate, bobbin and case. See if you can see the bottom part of the needle. Use a flashlight to look down in the bobbin area. Put a magnet on a pair of long tweezers to magnify it. You can then gently move the tweezers around to grab hold of the broken needle.
Sounds like your needle is hitting the needle plate instead of going through the tiny hole down to the bobbin. Try using the handwheel slowly and watch. Or perhaps the needle is hitting the bobbin case. Something has been knocked off the straight I think. Has your machine been dropped or dmamaged?
the machine needs to be taken to a sewing machine shop & be checked to see if it has jumped time,, a sewing machine shop technican has the tools to retime the machine & the foot needs to be filed to get rid of the burr on it.