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Anonymous Posted on Apr 27, 2012

How do i adjust the timing on an elna sp 31c

I have been servicing the machine, and removed the bobbin assembly. Now I need to know how to reassemble it all and get the timing right. It is not picking up the bottom thread, though the is a new needle and the threading is done correctly.

5 Related Answers

Chris Wetmore

  • 190 Answers
  • Posted on Feb 19, 2008

SOURCE: elna 1600

On a 1600 the bobbing case should not turn. the metal around it should. It should remain stationary.
The part thet turns is called the hook. Is the hook spinning. Is a new needle in the machine? That is where I would start.

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Anonymous

  • 1 Answer
  • Posted on Nov 13, 2008

SOURCE: Elna SU missing stiches and breaking thread

it sounds like the needle hook timing is out. You need to get the needle in the lowest position and measure the gap from the needle to the hook point on the bobbin shuttle. It should be 1/4". You will need to remove the foot and foot plate to be able to see. I use a 1/4" drill bit as a gauge. If you need to adjust it, you will need to remove the free arm cover to the right of the foot and loosen the 2 allen head screws that hold the drive gear. Adjust the gap, tighten the screws and retry. Usually if the needle catches the thread to early, it will make a bad stitch and the upper thread will break. If it catches to late, it will make thread loops and the machine will skip stitches. Good luck, these are a good machine and worth fixing. Phil

Anonymous

  • 69 Answers
  • Posted on Jan 22, 2010

SOURCE: The thread from the needle that goes down to pick up bobbin doesn

make sure your needle's flat bit shows to the back and it is in deep anough. else your timing is out.

Anonymous

  • 1116 Answers
  • Posted on Feb 21, 2010

SOURCE: do not know how to thread bobbin on elna

http://www.sewusa.com/Threading_Diagrams/Threading_Pages/Elna_Sewing_machine_threading/Elna_Supermatic_threading_diagram.htm

Testimonial: "Immensely helpful thankyou very much"

Anonymous

  • 1 Answer
  • Posted on Feb 21, 2010

SOURCE: cannot remember how to thread bobbin elna

i solved the problem after i had a closer look at the top of machine

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Related Questions:

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How do you adjust the tension control on an Elna lotus SP

The tension dial is on the front of the machine right above the needle. The higher the number, the tighter the tension is applied to the top thread. HINT: When threading the top thread, ALWAYS RAISE the presser foot throughout the entire threading process. This allows the thread to seat completely in the tension disk. Tension is correct when the top and bobbin threads meet in the middle of the fabric.

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Having trouble replacing the bobbin case

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? 2:25
https://www.youtube.com/watch?v=TqrbimZyP1U
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0helpful
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How can I reinsert bobbin race back into my elna su 68?

Hey I can help you with this, its a long detailed explanation though. Have you removed the bobbin holden, ie,undone two small screws and lifted out the silver bobbin case, leaving a black round thing? This black bit is the lower ring guard, you have probably undone this to remove a thread caught in the edge of the bobbin case or umderneath. Elna manuals never detailed cleaning here but it is simple enough and needs doing from time to time, i have seen big wads of felted threads and lint under guard rings when pulling apart machines. This video shows how to line up the lower guard ring, the outer casing and the bobbin case.

Elna Lotus SP bobbin case repair Removing cotton jam from Elna Sewing...

I always turn the flywheel until the opening of the lower casing is facing forward, then look at the black lower guard ring and turn it until the cut out bit is facing the front. Now look a the bobbin case, it has a couple of silver Beaks and these need to fit in between the stoppers on the outer case. You will know if lined up right as it just fits straight in, wiggle a bit left or right until its lined up. Those two silver screws have to marry up with the two holes in the lower guard ring.
Once aligned , tighten up the two screws until firm. There is a dark coloured screw too, leave it alone.

Hope,is helps, once youve done this a couple of times, its easy.
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Thread from the bobbin is not getting looped

If the bobbin case rotates freely it is probable that the pinion gear is broken. Replace the gear, retime machine and voila it works again. Trouble is tough to find the gear anymore good luck it is a good machine and worth the effort
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Bobbin case Elna 62c

Really you are very appreciated in your machine maintenance. If you wanted to Elna SU 62c machine bobbin case
please see the link :
http://www.ebay.com/bhp/elna-sewing-machine-bobbins .
0helpful
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I inherited my mother's Elna Lotus SP sewing machine. She had the sewing guide inside the machine, but not the instruction manual. I need to know how about the bobbin and how to thread?

Hi Jeanne, you might want to check out my tip on early Swiss Elnas,

http://www.fixya.com/support/r10602655-acquired_early_swiss_elna_sewing

it should help you get the Lotus going. Lovely machine. If you are in the USA you may also want to contact White Sewing Center as he may have this manual available for sale or a copy of it. www.whitesewingcenter.com.

Remember to use the Elna 7 hole dished metal bobbins, there are 7 holes on the top, and looks like this11_7_2011_6_23_57_am.jpg

Always wind it and insert it into the machine this way. Don't use any other bobbin. Standard needles 130/705H, flat shank to the back.

Check out my other tip on bobbin winding too, it is important to keep tension onto the thread spool that you are winding thread off as the machine doesn't tension the thread for you. So you need to apply pressure to the top of the thread spool as you wind off, use the curved handle of your scissors on the top of the spool.

Feel free to connect to me and ask if you have any other questions, I have a Lotus TSP at home and its almost identical to the SP. Happy stitching.
2helpful
1answer

I disconnect de chain that moves the upper mechanism and the lower, what i must to do to synchronized both mechanisms to reinstall the chain on Elna SP Lotus?

That is the worse thing to do on a sewing machine. I don't think any repair requires the removal of this belt or chain. This is not where you adjust the machines timing.
Let's see if we can work on a solution:
First you have to put the eye of the needle and the thread pick up hook on the bobbin within a few millimeters of each other. Reattach the belt/chain. Slowly rotate the machine and make sure nothing binds up. Now to double check the timing, the hook on the bobbin should pass the needle just as the needle begins it's upward journey. If the bobbin hook and the needle are not next to each other remove the belt/chain and realign them again... until you get it right.

Good Luck!
Chris
glfi.com
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Part for sewing machine

Raceway drive gear and I think you can only get them from an Elna dealer.
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