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AVR Computerised Sewing Machine, the needle when going down scraps the bottom of the bobbin case and doesn't drag the thread through??? What do I do??

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  • Sewing Machines Master
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Try changing the needle, make sure the needle is inserted correct into the needle holder, make sure the bobbin is inserted correctly into the bobbin holder, also could be the needle bar may need a adjustment,, when you'd have to take it to a sewing machine repair shop.

Posted on Dec 04, 2014

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Bottom tension on my bernette 50 sewing mechine don't know how to fix it.


Bottom tension is controlled by the bobbin case. First, ensure that the thread is wound tight onto the bobbin (should not be spongy when you push your fingernail into into it) Looking at the open side of the bobbin case, insert the bobbin into the bobbin case (so the thread winds off in a clockwise direction) and feed under the 'tension finger'. If you now hold the end of the thread, suspending the bobbin and case from it, the assembly should not drag any more thread out of the bobbin case. If it does, the small screw on the tension finger needs to be tightened slightly. If the assembly does not drag out any more thread, give the thread a little upwards tug. The assembly should slide down a little.If it does not slide, the tension finger is too tight - loosen it a little.
Insert a NEW needle, make sure the top thread is correctly threaded and tension is set at the 'normal' setting (as per book) ..... .... try sewing a sample. Note: using 'cheap' thread will cause all sorts of tension issues as well as fluff up your machine fast - avoid it!
Good luck

Feb 03, 2014 | Bernina Sewing Machines

2 Answers

How to correct tension on sewing machine


are the thread with loops?
are the threads bird nesting?
try changing the needle
Correct needle insertion is mandatory for proper use of your sewing machine.
Raise the needle bar to the highest point, then loosen the needle clamp screw to remove the old needle.
Place the new needle in the needle clamp with the flat side of the needle facing the back, (round needle, the groove in the needle should face away from the shaft).
Push the needle all the way up as far as it will go. Then tighten the needle clamp screw.

rethread the machine top & bottom

Jun 07, 2012 | Brother LS-2125 Mechanical Sewing Machine

1 Answer

Pfaff 2024 bobbin case basket is jammed-even after clean & oil


the jam that happened may have caused the machine to jump time & it would have to be serviced

May 16, 2012 | Sewing Machines

1 Answer

Pfaff select 1540 bobbin thread jam


if there is a thread in the hook area try taking a pair of needle nose
pliers to try & get the thread out, if that doesn't work then you might
think about taking the machine to a sewing machine shop to have the
machine checked since the needle will not go up & down & handwheel
won't move

May 03, 2012 | PfaFF Sewing Machines

1 Answer

Kenmore 385. 15343600


Remove bobbin, presser foot, needle. Tip machine back on towel gently. Unscrew plate--don't lose screws! Do not service in presence of children and curious pets. Put foot pedal next to you on tabletop. Use Zoom Sewing Machine oil. Any part MOVING that are NOT gears get one drop oil. Any DRY ONLY gears get dab of Singer sewing machine lubricant. Replace screws. Secure screws. Open left front compartment & one drop oil @ top of needle bar. Open race shuttle (where bobbin case fits in). One-half drop oil of on oscillating hook (bottom left - hand corner...smear that oil around! Insert NEW needle all way UP in needle bar groove, flat needle shank toward back. Turn handwheel towards you and raise. Raise presser foot so that threading locates all tension slots a's you pull thread TAUT from spool to each tension slot and left to right through silver, metal take-up lever, and down to tension bracket, pass needle, then pull 6" thread towards you and thread from FRONT to BACK of needle. Place bobbin into case and "thread" it. Set presser foot on DOWN position. Turn handwh towards you, dipping needle into needle plate. Make loop with bobbin thread, pull towards you. Place a good 7" underneath presser foot (both threads). Let machine RUN on 24" scrap to distrubute oil/lube. That's it! Jimmy

Apr 05, 2012 | Sewing Machines

1 Answer

Bobbin is making a thumping sound and thread is clumping on bottom will not catch right


Remove bobbin.
Take your small sewing machine lint brush and sweep around the bobbin case to remove debris (lint, loose threads).
Make sure bobbin looks smooth with no visible bent areas or scratches.Sweep out feed dogs area. Gently get the brush bristles down in there but be very gentle, of course.
Make sure when you rethread your machine (which I HIGHLY recommend) that your needle is all the way up as high as it will go in the needle shaft. Flat side of the needle goes to the back and the rounder side should face you. Tighten the screw on the needle clamp securely.
How about the weight of the fabric? Maybe it's too heavy for the size needle you are using. Or vice versa. And thread should be of good quality and suitable for the weight/type of fabric you are using (i.e. can't use cotton thread to sew Spandex, etc.)
Make sure your bobbin is going properly into the bobbin case. The thread goes under the piece where the tension screw is (right to left) and up through the delivery eye. You can tighten or loosen the bobbin case screw, but just a TAD and test results, being careful not to over-turn this! It doesn't take a huge turn to change results it makes.
Hope this helps!
Jimmy

Mar 31, 2012 | Brother LS-2125 Mechanical Sewing Machine

2 Answers

I bought a White Family Rotary sewing machine made in 1909. While cleaning it up, I unscrewed part of the tension assembly on the face plate not knowing that these can be very difficult to get back...


Hi,

  • Set up your sewing machine on a table with good lighting available. Plug in the electrical cord. Insert a new needle into the shaft on the needle bar and tighten the thumb screw to secure the needle. The needle bar is the area on the shaft where the assembly for the needle thumb screw is located.
  • Step 2 Thread your sewing machine according to the manufacturer's directions. This requires slipping the thread through various retaining and tensioning loops to allow for the proper drag while sewing. There is usually one loop at the top to go through first, then a second above the thread tension knob. Bring the thread into the tension knob area and pick up the loop of the tension wire. Bring the thread back to the next upper thread loop and then down to the needle bar where you thread the needle.
  • Step 3 Wind a bobbin with the thread that you intend to use. You may have to partially unthread your machine to do this. Make sure there is tension on the thread while you are winding it so that the thread winds properly. Insert the bobbin in the bobbin case and place it in the shuttle race then draw up the thread with the needle thread to prepare to sew. The shuttle race is located in the lower body of the machine under where the needle enters the throat plate.
  • Step 4 Cut a scrap of fabric from the fabric you intend to use for this project, at least 12 inches long and 4 inches wide. Double the thickness of your scrap by folding it in half lengthwise. Insert your scrap under the sewing foot and lower the foot into position. Sew a seam approximately 6 inches long then remove the scrap to check the stitches. If the stitches are loose on the bottom, adjust the tension knob to a higher number for more tension. This is done by turning the knob so that the indicator mark moves to a higher number. If the threads are loose on the top you will need to make the opposite maneuver.
  • Step 5 Sew more seams on your scrap, stopping to check your thread tension for your stitches until you have stitches on top and on bottom with no discernible looseness.

  • Please post your feedback and Vote if the problem resolved as per your satisfaction.

    Jun 17, 2010 | White Sewing Sewing Machines

    1 Answer

    I have problems with not be able to pick up the thread from the bobbin to start sewing


    Make sure the needle is not bent and is installed with the flat side of the needle shaft to the back of the machine.

    Thread the machine with the presser foot up, with the thread going into the needle from the front ,

    Check the manual to be sure you have the bobbin inserted correctly into the bobbin case and the thread is feeding in the proper direction and through the guides on the bobbin case.

    Hold onto the end of the top thread at the needle and hand walk the needle down and back up. This should bring the bobbin thread up. Take both thread ends under the presser foot and to the back of the machine.

    Place a folded scrap of fabric under the presser foot, lower the presser foot and hand walk the needle down into the fabric and then use the power pedal to start sewing.

    Apr 08, 2010 | Singer 1120 Mechanical Sewing Machine

    1 Answer

    Bobbin jaming up


    Clean the bobbin area.

    Thread the machine with the presser foot up - always,

    Make sure the bobbin thread is feeding clockwise and through the guides on the bobbin case.

    Lower the threaded needle down and back up while holding onto the thread end. This will pull the bobbin thread up. Hold onto both threads and pull under the presser foot and to the back of the sewing machine.

    Hold on to the thread ends and lower the needle into the fabric, then press the foot pedal.

    You may want to use a leader - a folded scrap of fabric that you sew to the edge of and then **** against the fabric you want to sew. Sew off the leader and onto the fabric and this will keep the thread from going down into the machine. You can have a few stitches between the two to make it easy to cut the leader away.

    When you stop to adjust the fabric make sure the needle is down to anchor the fabric (turning corners, sewing a curve. etc).

    The slightest movement of the fabric when the needle is up will sometimes cause a thread jam.

    Mar 11, 2010 | Bernina Sewing Machines

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