Question about Singer 14SH654
I can't get my Singer Overlock 14SH654 to utilize the 4th thread in the mock safety stitch. (The last one to be threaded.) I had not been using that needle, but recently reinserted it. The needle broke soon after I started sewing again. It has broken 3 times since. I have changed both needles and corrected tension, rethreaded, etc. Needles are no longer breaking, but the thread doesn't get incorporated into the chain. It just sits on top and comes loose. What am I doing wrong?
Open the threading door, lower the needles to the lowest point. There is a small plate that should be in front of the needles at this point. If the bracket holding the plate becomes bent down the plate will be behind the needles ( between the needles and the lower looper). If this is the case raise the needles and carefully bend the bracket up until the plate is covering the bottom of the needles ( a little above he eyes). That should fix the problem
Posted on Sep 15, 2010
Sounds like the timing is a little out.
If you remove the needle plate and turn the handwheel manually watch for the lower looper as it swings behind the Left needle....the needles ought to rise by only about 2mm before the looper passes......the looper must pass the needle above the eye to catch the thread, and be so close as to be barely touching the rear of the needles......if the left needle thread is not picked up, it may be the timing, or the distance between needle and looper.
For the uninitiated, there are a myriad of variables in correctly timing an overlocker (serger), and without the manual to refer to the correct parameters, you will rapidly descend down a road of despair....if you move a looper to advance or ****** the timing, you risk looper collision and a broken looper is almost as much as a service, so my advice is do the test to see if the timing is the likely culprit, and if so, take the opportunity to give the old girl a treat.
If you need to save for a while to do it, just use the 3 thread option for the time being.
Posted on May 10, 2008
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Posted on Jan 02, 2017
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