Question about Brother LX3125 Sewing Machine

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Complete bobbin case apart...how to fix it ?

Machine new,original owner never used. I am new "owner". Trying to get started, the whole bobbin casing is in three pieces, how to put back together ?

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  • 201 Answers

Hai, First you should learn and try to your old machine how to operate the machine? After you started to operate a new machine. Then first you check the timing and change the bobbin case and needle.

Posted on Mar 25, 2014

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Posted on Jan 02, 2017

  • 66 Answers

SOURCE: Bobbin Case

ok Sim this is a bit tricky but not to tricky first turn the handwheel toward you until the hook is at one o clock postion then slide the case without the bobbin in into the hook area you may have to work the handwheel back and forth alittle but it should slide in just remember that the case should ride in the rim. also take the needle out first that way you wont get stuck trust me it happiens.

Posted on Jan 28, 2009

SOURCE: Bobbin case keeps breaking after minimal use

Nope...it didn't work...I got the new case...and still keeps breaking needles...ready to throw the machine right out the window...3 floors up...I think they sent the wrong case...and on e-bay...another vendor wants 36.95 for a case...don't think it is worth this...only paid 150.00 for the machine at Walmart...personally...plastic parts are terrible...I still have a Singer from 1953...and it still sews like a charm...but just goes front and back...no frills...but the oldies are better!
Dee

Posted on Oct 07, 2008

  • 1 Answer

SOURCE: while sewing the bobbin case moves, wheel locks up, needle locks

Im not sure if this will help but thought I would pass it along. My Pfaff 6122 tells me to check bobbin for thread unrolling clockwise before you place it back in the machine. I had mine turned to un roll counter clockwise, this is wrong, the bobbin will fall out when you pull on the thread while you are holding it in your hand. You may just keep putting it in backwards. Hope this works for you. J.R.

Posted on Feb 05, 2009

  • 7 Answers

SOURCE: bobbin case is disassembled. how do I put it back together?

It should be in your manual.... but if you don't have one, I'm gonna try this out. I don't know the official names, so bear with me.

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There should be two plastic arm-lookin things that are turnable. Make sure these are turned outwards.

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You should have three silver pieces. The one you need first is a half-moon looking thing with a knob comin out of the middle. (it also has some holes in it)

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If you turn the big knob on the right hand side, there should be a moving piece on the inside of the bobbin case.

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The half moon needs to fit in with that piece. Don't force anything cause we don't want the machine to break. >< The knob thing needs to be facing the outside, otherwise it's not gonna go in at all.

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Once you get the half-moon thing in there, you have two more left. There's a big circle. WOO! CIRCLES! ANYWHO, The big silvery circle.. it has a knotch in it, and a little pokey-outie thing comin' out of it.

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It needs to be positioned so that the knotch (on the inside of the circle) is up and the pokey-outie piece (on the outer side of the circle) is on the bottom. On your machine, there should be a place where the pokey-outie piece would fit perfectly into a little hole-type-thing. Put it in. :O

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Now it's time to move those little black plastic arms towards the center. On your circle, there should be little grooves that they fit right on top of. ^_^

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The only silver piece left should be the actual bobbin case deal. This should be a smaller circle with a movable arm and a silver thing pokin' out of it. (I told you, I'm bad at names!) Before you put this guy in, we need to have your plastic bobbin threaded. (I'm assuming this has already been done, correct me if I'm wrong.... they also have pre-threaded bobbins for sale, but hey, whatever works.)

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Your bobbin needs to fit inside this last piece. (my first bobbin didn't, and I freaked out and ran to my dad... LOL) You need to make sure there is a trail of thread coming out of your bobbin that's about two to three inches long. Place your bobbin in the silver guy and there /should/ be a little niche where you can play with the thread and pull it through the silver guy's parts. (Your thread may break, don't worry, just try again)

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When you move the thread around, it should come out where the little arm that sticks out is. Keep the 2-3 inch trail goin' on, you'll need it. Remember that first half-moon silver guy? Well, we're gonna stick our little assembly onto his pokey-outie piece.

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The silver arm-thing on our assembly needs to go into the knotch that's in our circle, and push in so it clicks. (Sometimes mine clicks twice...) Make sure you have that trail of thread, and go ahead and flip the white plastic up, because you're DONE assembling it.

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I'm going to assume you have your top thread in already (again, correct me if I'm wrong..) make sure that your top thread is through the hole in the needle, otherwise we're thoroughly screwed. Pull that thread until you have another 2-3 inch tail, and twist the big white knob on the right side of your machine (same one as before...) TOWARDS you. KEEP HOLDING your top thread, otherwise it'll disappear into the abyss that is your bobbin assembly.

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When you turn the knob towards you, your needle should dip down into the abyss and come back up- with your bottom thread! HUZZAH! it SHOULD be a loop around your top thread. (I'd use contrasting colors for practice.. so you know what it'll look like)

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The manual says to "grab the bottom thread" but seriously, I can't get me fingers down in there, so I just slide some scissors under the foot and between the two sides of the loop, and just slide 'em left. usually works just fine. Unless my tail for the bottom thread is too short, cause then it'll be hard to grab. You should be good to go!

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I know this is pic heavy and kind of long, but I like to provide as much info as possible! Let me know if it helped!!

Posted on Jul 31, 2009

chrismyers67
  • 53 Answers

SOURCE: I have a CE-4000 model. In the middle of sewing,

When you put back in the bobbin case, there is a little "knub" that sticks out with a flat spot on the right (on the top side of it) that you need to ensure it rests gently to the left of the position finger bracket (silver metal piece, in the square of the bobbin case area its on the right closest to you).

When you put in initially, it was probably twisted clockwise and there was a gap between the knub and the position finger bracket and when you put the needle plate on in jams that bobbin case in that position and the needle just takes chunks out of it..

You might need a new bobbin case, try sanding out the needle marks with sandpaper.
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-Chirs

Posted on Jun 06, 2010

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1 Answer

My bobber case fell apart, how do I fix?


It will probably be better to just purchase a new replacement bobbin case. Bobbin cases do wear out and since yours fell apart, it may be suffering from use and age. There is also the hassle of trying to get the bobbin tension correct. New bobbin cases generally do not cost that much and you will know that it is factory set and ready to go in your machine.

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I'm in trouble deep-I was trying to fix an old


Good day!

please try this simple tips:

Good day!

A sewing machine operator can often help themselves when their machine does not operate properly.
Here are some simple instructions, which if properly used can save time and mechanics service calls.
TROUBLE;UPPER THREAD KEEPS BREAKING;
This could be trouble;================Do this;
1.Top tension to tight================loosen tension 1 turn
2.Machine improperly threaded=========check threading
3.Thread twisted on guide post========"
4.Thread twisted out of tension======="
5.Take up spring bent or broken=======Check action of spring
6.Thread jumped off pull off finger===Check threading
7.Needle bent or burred===============new needle
8.Bad cone of thread==================try another cone
TROUBLE;LOWER THREAD KEEPS BREAKING;
1.Bobbin tensionspring to tight=======Loosen tension slightly
2.Bobbin threaded wrong===============check threading
3.Bobbin wound to tight or uneven=====try new bobbin
4.lint or thread on bobbin case=======clean inside case
5.Lint or thread inside hook==========clean inside hook
6.Bobbin case nicked bent or burred===check/change case
TROUBLE;MACHINE STARTED SKIPPING STITCHES;
1.Needle bent or burred===============change
2.Needle set in crooked===============Check
3.Thread jumped off take up spring====check threading
4.Thread jumped off pull off finger===check threading
TROUBLE STITCHES SHOWING LOOPS;
1.Forming loops on top of cloth=======Tighten bobbin tension
======================================or loosen top tension.
2.forming loops on bottom of cloth====Tighten top tension
3.Bobbin placed in case incorrectly===remove and replace
4.Bobbin thread slipped from under====check threading of
tension===============================bobbin case
5.Lint or thread in top tension=======clean between tension discs


Thank you and good luck.

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