Question about Singer 14SH654

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Lower Looper Shaft

My lower looper is sliding in and out which caused my upper looper to break. I have the upper looper replaced, but now I need to figure out why my lower looper shaft is sliding in and out approximately 1/2". How do I tighten this? Thank you!!

Tina

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  • Sewing Mom Apr 23, 2008

    My upper and lower looper rub together,kind of like the tension is too tight. I have adjusted and adjusted and have been unable to correct the problem. Now the thread breaks evertime due to the rubbing and I am unable to use my serger...HELP!!! Is there a solution? Did I adjust something I should not have?

  • Anonymous Mar 30, 2014

    bernina 2000de surger

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1 Answer

MY LOWERLOOPER HAS SNAPED

Posted on Jul 16, 2008

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2 Answers

Upper looper thread keeps breaking


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The tread from the lower looper is not being picked up by the upper looper how o i fix this?


Best advice would be to consult your owner's manual. The most common serger problems are caused by incorrect threading or not threading the threads in the proper order. With most sergers, the upper looper should be threaded first. The lower looper is threaded second and the lower looper thread tail should drape OVER the upper looper. Then thread the needles.

Be sure when threading that each thread is pulled snugly into the tension disks.

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Nov 15, 2015 | Janome MyLock 644D

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If I break the lower looper how can I found the lower looper


Are you looking for a replacement looper? Typically, this is a "take it to the shop" repair because there's some finicky adjustments needed when replacing a looper, but if you have a spare looper and a lot of patience, some people can do it. Because breaking a looper can do a lot of damage, I tend to be of the "take it to the shop" persuasion, but try entering a search for the machine make and model plus the phrase "lower looper" in something like the google shopping search. E.g.: here's the lower looper for a machine I own: http://www.sewingpartsonline.com/juki-mo655de-serger-machine-parts.aspx

Apr 28, 2014 | Sewing Machines

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Upper looper hits lower looper


The upper/lower looper need realignment, requires a qualified technician to do this.

Oct 21, 2013 | Brother 1034D Serger Sewing Machine

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Serger - my needles break, never happenned before, and over travels on left upper looper


Make sure, Joe, that your needles are pushed up into needle bar shaft a's high a's they will go. Although same length, the left needle will appear higher than the one on right side when properly seated and tighten clamp screw securely. Check Lower Looper for proper threading--thread delivery eye of lower looper to far left "hidden" from sight. Use looper tweezers and it helps threading it. The thread then gets pulled to right side and goes front to back of that hole in front of you on lower looper. Follow threading guide on the cover door to right of your serger. Hope this helps. Jimmy

Apr 04, 2012 | Sewing Machines

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I have a bernina overlocker and whenever I use it the lower looper (marked in red) thread breaks. How can I fix this? It was serviced yesterday and when other people used it before me it worked fine!


Then it's one of two things. First try setting your lower looper tension on 3 and see if that works. If not set it back on 4 and cut ALL your threads and re-thread the machine STARTING with the UPPER looper, then the lower looper, then the right needle, last the left needle if you're sewing a 4 thread overlock stitch. Make sure the threads aren't twisted in the thread guide. Make sure the lower looper thread is OVER the elbow on the upper looper and over the upper looper thread. Let me know if this works. We'll work until we get it fixed!

Sep 14, 2010 | Sewing Machines

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I have a coverstitch PF857 and I have broken the upper over edge looper I have sent for the spare part but been told it must be set what does this mean and how do I do this


There are many adjustments which can be made: up, down, twist right or left, slide front or back. The main question is why did the looper break? The needlebar, upper and lower looper and the needle guard all must be in perfect syncronization. The upper looper must be set so that, on its movement to the right, ever so slightly brushes the needles. Then, as it travels upward, it must cross behind the lower looper at just the right spot as close as possible without touching. If you are very mechanically inclined, give it a shot. If not, the risk of further damage is high.

Jul 12, 2009 | White Sewing Speedylock 1600 Mechanical...

2 Answers

Thread continually breaking in lower looper needle


I was having this very same problem with my lower looper . I had been using the one needle stitching all afternoon and I was doing quite nice stitching. then I decided to put the right needle back in and do some overlock stitching and guess what I spent the next two hours fighting the looper problem. I had completely re-thread this machine at least 20 times now. I decided to take the needle out and re-insert it and re-thread it one more time (right lower looper- then upper looper- right needle- then left needle) was careful to pull all threads to the back and under the presser foot for about 6 inches.
Held on to the thread, lowered presser foot and did the chaining stitch. BINGO it didn't break, tried it with a piece of cloth and Perfect stitches. I have a Babylock BL402 and used tension settings left to right
4-3-3-3 and default settings for the rest.
Hope this helps someone someday.
Jo Griffith

Oct 20, 2008 | Toyota TL-432DE Mechanical Sewing Machine

1 Answer

Instructions for threading Baby lock eclipse BLE1LX for 2 thread sergering


I have just learned this :)
Either needle thread may be engaged for 2-thread serging.
1. Open the front cover and cutting blade cover, cut the upper looper thread just above the threading guide ( this is plate that has two holes for the threads) Raise the presser foot and pull out the clipped thread from under the foot. Remove upper thread from the machine (or you can leave the cone thread on, it doesn't matter).
2. Rotate the handwheel to bring the upper looper to its lowest position.
3. Rotate the subsidiary looper up and to the left, then slip the end into the upper looper thread eye from backside.(this sounds complicated, yes? but it is very simple : the looper has a counter part that is spring-locked to move from left to right and right to left. This is the little claw-looking part of the looper that when in the postion to serg with four threads is to the right side of the looper. It looks like a scorpion's tale. If you can't figure which part it is, use your finger to probe the looper and you'll feel it give a little. This part needs to be moved to the left - it will not slide over, but swing up and over and down, like an arch. Then, where the thread comes out of the looper is where you want the little claw-like part to hook into.)
4. Close the covers. Decrease the needel tension - this depends on what the stitch length is. Stitch length: 2-3, stitch width: 3.0 = L needle n/a, R needle 1; upper looper n/a, lower looper 5
stitch length: 2-3, stitch width: 5.0 = L needle 0, R needle n/a, upper looper n/a, lower looper 3.5

Those are for a flatlock stitch - for a 2-thread rolled edge :
Stitch length: 0.5, stitch width: M = L needle n/a, R needle 4.5, upper looper n/a, lower looper 3.5
Stitch lenght: 1.0, stitch width: M = L needle n/a, R needle 4, upper lopper n/a, lower looper 3.0

If you have any questions, e-mail me at knowgodnofear@bex.net

Aug 10, 2008 | Baby Lock Eclipse Serger

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

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