Question about Brother LB6800PRW Mechanical Sewing Machine

1 Answer

Safety alert came on and machine stopped, manual said thread clog in bobbin case but I took out and cannot fine. How do I take apart to find thread bog?

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  • Rebecca Cawley Lipe
    Rebecca Cawley Lipe Nov 07, 2012

    Yes, I had been using spray temp self basting prduct for some koozie embroidery. I cleaned , foot and needle plate and changed needle. This helped.

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  • Brother Master
  • 7,365 Answers

You might clean under the needle plate for lint
and use a can of air in and around the bobbin area for lint
also take the bobbin completely out of the bobbin case and then
put the bobbin back into the case and see if that will help

Posted on Nov 05, 2012

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Posted on Jan 02, 2017

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SOURCE: needle not picking up bobbin thread

Check the timing.

Posted on Mar 06, 2008

  • 399 Answers

SOURCE: I have a Brother SE-270D

its the problem of the timing belt in your machine its extra loosen or extra tightned or is slightly came out of its position or finally broken.
as the machine is proper just missing the proper speed as it should be .
it is running continuosly as you stated.
check the timing belt and make it proper if its worn out and needs replacement this is how its done

There is an adjusting screw on the right side of the machine head. Follow the motor bracket to the machine head and loosen that big old screw or bolt which will raise or lower the motor giving you slack to remove or replace the belt.

feel free for further queries
thanks

Posted on Sep 19, 2008

  • 1 Answer

SOURCE: thread knotting around bobbin case

hello, I had the exact same problem and could not find the solution until i took my machine to my sewing sensei and i solved my tedious problem. It was actually not a tension problem at all but a threading problem. Make sure you have threaded your bobbin correctly and that when you pull on the bobbin thread that the bobbin turns the right way. (mine must spin anti clockwise to work)  Make sure that when you pull up the bobbin thread using the needle that it is not over the feed dogs connective bar but under it. A big problem when the thread gets caught around the bobbin case wheel is that the thread is looped around the feed dogs once and that causes the thread to get caught around the bobbin wheel. In conclusion, thread the bobbin correctly and read over your instruction book before spending the money to get it fixe in s shop.

Posted on Mar 31, 2009

  • 323 Answers

SOURCE: how do i refill a bobbin 7 thread machine

Normal 0 MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman";} To wind a bobbin, guide the thread from the spool post to the small round tensioner /guide on the top of the machine.Wind a few turns of thread onton the bobbin.Place the bobbin on the bobbin winder post. Release the hand wheel and wind the bobbin as full as you like or until it stops. Remove the bobbin,place it in the bobbin case and insert the bobbincase into the hook.

Beginning with the spool, guide the thread through the thread guides to the tension assembly. Pull the thread through the tension assembly and test it to make sure the tension is working correctly.
(To do this test, adjust your tension setting to normal or medium or 5 or something in the middle. Raise the presser foot and pull the thread through the tension. It should pull easily!! Lower the presser foot and pull the thread. It should pull noticeably harder.) If it passes this test, continue up through the take up lever,then down through the thread guides to the needle. Make sure your needle is fully inserted and turned the correct way.( If you load your bobbin case from the left side,the needle rule is normally FLAT to the RIGHT is RIGHT. There are some exceptions. If you have a newer style drop in bobbin or your bobbin case loads in the front then the rule is FLAT to the BACK.
sewman7


Posted on Apr 30, 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.

ed83178.jpg

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.

a3c219b.jpg

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)

716685d.jpg

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

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