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Timming on 740 ds

Timming settings on thread levers

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Take your machine in to a authorized repair shop. You don't have the tools or the factory settings to set your own timing. Leave it to a professional.

Cheers,
Kelly
San Diego, CA
Embroidery Services

Posted on Nov 30, 2014

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Posted on Jan 02, 2017

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I'm trying to get my Grandmother's Bernina Favorit 740 running again. I cannot get the zigzag lever to pull down so buttonholes can be made. Any suggestions?


The lever could be rusted in place; ie. the parts that move across/over each other when the lever tries to move down, don't.

Here is a list of Internet searches for Diagrams; not all of these will be for your exact machine but all are similar. Cast about and you can see how your lever is supposed to work.

Bernina 740 diagram Google Search

Mar 29, 2015 | Bernina Sewing Machines

1 Answer

Hi, hope some one can help! I have a benina 740 industrie that needs both upper gears. will the bernina 740 parts fit my machine? Thanks!


The gear set is the same in both 740 machines providing that the 740 that you want to take gears from is not an older set with (straight miter tooth) bevel gear set. Later model 740 will all be helical. The 740-11 or 740 Industrie (same machine) will have helical teeth and will swap. Hope this helps? SewTechnical Home

Jul 07, 2014 | Bernina Sewing Machines

1 Answer

Janome MC4000 occasionally thread comes out of take up lever while sewing.


the thread take up lever needs to be closed just a little, take a small piece of fabric and put it over the take up lever and use a pair of pliers to close the take up lever just a little and see if that helps the thread to stop coming out of the take up lever. ( the fabric is to keep the take up lever from getting scratched up, because of the pliers)

Apr 29, 2014 | Janome Sewing Machines

1 Answer

How do you set the timming


bottom thread being loose is NOT a timing problem. Loosen your top tension.

Sep 30, 2012 | Husqvarna Viking 1

1 Answer

Prolectrix 8 stitch sewing machine top thread keeps getting caught round bobbin housing and jamming everytime i try to use it


Sounds like the take-up lever is not threaded.

Remove the thread from the machine, turn the handwheel until the take-up lever is at its highest position, raise the presser foot and rethread the machine. Set the upper tension dial to 5 and retry.

Aug 18, 2009 | Sewing Machines

2 Answers

Bernina 740 favorit timing


boscados 740 840 940 742

Jan 12, 2009 | Bernina Activa 130

1 Answer

Thread bunching up under fabric.


Be sure that the thread is in the TAKE-UP lever. There are four thead guide the thread must pass through. From the spool through the first thread guide at #1 than straight down to #2 than up to #3 throught the take-up lever and straight down to the left of the needle and throught hte neele form fornt ot back.

If the thread is not in that take-up lever the machine will not have any top tension (or be regulated) it will flood the machine with thread and wrap around that bobbin.

Also, be sure have you presser foot int he up position while threading this way the thread will surely pass through the tension disks, Set your top tension at 4, use good quality thread (get rid of the dual duty or all purpose) All of these steps will ensure a perfect balanced stitch.

Oct 26, 2008 | Kenmore 11206 / 11306 / 11506 / 11606

1 Answer

Zig zag stitches are not holding


When ever a machine is jamming up the bobbin thread, it is a result of your top tension. It is either set to low (under 4), or the thread has come out of the take-up lever. Check your threading, fromt he spool pin, down to 2 and up to 3. Three is the take up lever. From the take-up lever down to 4. Set the thread behind the thread guide and thread the needle form front to back. Low quailtu thread 9dual duty or all purpose) can also create this problem.

thanks,

Bonnie

Aug 24, 2008 | Kenmore 15516 Mechanical Sewing Machine

2 Answers

Threading a husqvarna huskylock 1001L serger


Solution taken from "Handbook for Huskylock Sewing Machine Models 1001L/1000L/1000"

1. Raise the presser foot by using presser foot lever. When the presser foot is raised, the two thread tension discs in the thread tension control panel are released so that thread passes freely between them. Otherwise thread tension may not be correct.

Important! When threading the needle, always be sure to lift the presser foot lever, and also take care to thread in the proper order.

Threading order:
1. Upper looper thread (green)
2. Lower looper thread (blue)
3. Double chain stitch looper thread (purple) in case of 5 thread stitch or double chain stitch
4. Right needle thread (red)
5. Left needle thread or double chain needle thread (yellow)

Caution!
Because the left thread tension dial (yellow) is used for either the left needle or the double chain stitch needle, these needles will never be used at the same time.

Upper looper (green) sequence:
1. Thread holder (silver triangle openings attached to thread holder stand)
2. Thread guide (flat silver clips just behind thread tension disc)
3. Thread tension disc (circular knobs with numbers for tension setting)
4. Pull thread around upper looper guide and upper looper
5. Pull thread into hole of upper looper

Lower looper (blue)
Repeat 1, 2, 3.
4. Pull thread around guide (see color coded chart inside front serger cover).

Easy threading mechanism (for lower looper)
1. Pull out the lower looper threading lever
2. Thread the lower looper and position the thread on hook of the lower looper
threading lever.
3. Push the lower looper threading lever back to its basic position while
holding the end of the thread.

Caution:
When returning the lower looper threading lever, always make sure that the two
blue triangle marks (directional arrows) meet each other.

Right needle thread (red)
Left needle thread (yellow)
Important: Thread the needles after threading of lower looper and upper looper.
First raise the presser foot lever, and then thread the needle threads in order shown in color coded thread guide.




Jun 24, 2008 | Sewing Machines

1 Answer

Thread jamming


either the thread is not in the take up lever or it is not in the tension properly or the tension is set too low or you have the wrong bobbin in the machine or there is a piece of thread stuck in the tension assembly.
To test the tension, set it at 4 or 5, draw the thread through it with the presser foot lever in the up position. Once the thread is in the tension, lower the foot then pull on the thread between the tension and the take up lever. It should have tension on it. Raise the foot and pull on the thread. It should have no or very little tension on it. If it is loose, whether the foot is up or down, you probably have thread stuck in your tension discs. If so, set the tension at zero, open the discs with a small screw driver and blow between them with some compressed air. Sometimes you have to dig it out with tweezers.
sewman7

May 29, 2008 | Brother LS-2125 Mechanical Sewing Machine

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