Brother LS-1217 Mechanical Sewing Machine "needle hit bobbin mechanism" Questions

needle hit the bobbin mechanism. I took it apart to see if maybe it was just misaligned or something and the problem seems to be that the bobbin mechanism rotates faster than the needle descends. Now,

bobbin case The needle hits the bottom of the bobbin case and grinds against the metal. Also the bobbin won't thread. This happened after the material kept bunching. With the needle hitting the bobbin

...the plate and breaking. How do I fix this? Take the needle plate off and see where it needle is connecting with the bobbin. The bobbin case may not be in place and this is what the needle is

...to adjust everything I can, but to no avail. Please help On the right side you have two knobs to make adjustments. The lower knob will move the needle left or right so it won't hit the bobbin

...Needle hits bobbin case on downward stroke. Um, it most likely is not a problem with the needle bar height but instead an issue with machine timing, ie the needle is arriving at the bobbin at the ...

...inserted wrong? change the needle and see if it is still hitting because once they hit the case or the feed dog they very often get bent always change needles with different fabrics and types of ...

...needle hits plastic piece under bobbin assembly. this happened when fabric jammed while sewing. After jam was cleared needle hits plastic every time. Perhaps you have bent the needle. Or perhaps you ...

...needle will hit the metal. If it continues you will need to adjust the needle carrier. hopefully that isn't bent, but if so I don't believe that the replacement of it will be too costly. I have a ...

...needle bobbin carrier interaction now turn the machine over by hand and watch the needle go down and start to come up at this point the hook of the bobbin carrier should be very close to the needle ...

...hit by the needle and has cracked/and or bent it. Make sure it is snapping into place correctly. 2. The rotary hook is out of time. Reset the rotary hook point behind the needle and about the middle ...