Hi tony hope u can help .. the timing or something is off on my machine ..at first the needle was jamming against lower looper I replaced needle didn't help then I moved the lower looper forward by loosening clamp, didn't hit needle any more but now does not sew at all ...can u help!!
I had to fix my machine last night because the looper was not grabbing the thread. We advanced the belt that turns the shaft (which connects to the looping mechanism) by one tooth and it solved the problem. We actually advanced it two (accidentally) the first time and the needle was catching on the bottom. Basically, the timing was off... the needle shaft was raising before the looper had time to grab the thread.
Not sure if yours is the same situation, but might be worth a look at the timing.
(My machine is a New Home My Excel 23L if that matters)
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Open up the front cover. There should be a diagram right there, and you want to thread your serger step-by-step per the color-coded diagram so that the needle is in time with the movement of the loopers. If you randomly go about threading it instead of in sequence, the threads will collide and you will create a jam. The usual threading order: Upper Looper, Lower Looper, Left Needle, then Right Needle.
Do you have long serger tweezers?
Do you have a Looper Threader?
If not, these are great tools to assist you as the Lower Looper is threaded right to left- an eye all the way to the far left, so it helps to have the tweezers and Looper Threader to maneuver in this very tight area. Many new serger users don't realize that other eye is "hiding" and miss threading it! Hopefully, you have a manual with additional pictures to help guide you. If you need a manual, try allsewingparts.com and perhaps they have one specific to your serger.
Note: When you insert your needles (make sure they are #11 and #14 specific for your particular machine), the left needle will be the same size as right needle, but will APPEAR higher once both are pushed up into each of their respective needle shafts.
Note: Hold onto needles or put a piece of fabric under the area when changing them/replacing them because they can easily fall out causing damage to your machine.
Hope this helps.
Rolled hem would be one needle and two loopers, is this what you meant?
Make sure you move the blade to right so that you are cutting wider than the stitch being formed, you want the fabric to roll to the underside inside the stitch.
I would set top looper tension to 3 and bottom looper tension to 6 first off (needle at five, normal tension) first off and test serge with the stitch length at normal 2 or so, so you can see if the fabric is rolling under for you. There is proabably a stitch finger in the throat that you need to change too, sometimes its on the foot, (change with a screwdriver) and sometimes just a finger down on the needle plate.
Then adjust the two looper tensions making lower thread nestle up against the needle on the bottom of the stitch, and the top looper thread wrapping right over to bottom as well. Once this is happening, then turn stitch length down to close up the stitches.
It does depend on the weight of fabric too, and if you want to seam curves.
I find its best done with wooly overlock thread on top looper to "fill" in the overlocking appearance and fully cover the fabric.
I hope this is of help, if the tensions just wont behave then one of them might be faulty and machine need a service, I get mine done at least every 2 years to keep timing and tensions right.
Hi,...if the lower looper thread is breaking before you sew six inches or more then I suspect a threading problem.When the lower looper thread breaks, You MUST unthread the needles before you thread the lower looper. Thread the looper and then rethread the needles.
The upper looper goes just in front of the needles. I had issues with my machine when I got some fabric jammed and the looper moved so it wasn't catching the left needle and it was sewing a straight stitch on the left. The looper needs to be placed in front of the needles and very close to the needles without hitting them.
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.
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.