Finesse Sewing Machine 356 User Manual
• 8 Answers SOURCE: Bobbin Tension Adjustment: 1. Do you have a genuine Bernina bobbin casing and not an Oriental copy? If yes, proceed as follows: 2. To set the bobbin tension, wind a genuine Bernina bobbin with Metrosene thread, type 1161 white thread as your 'gaging thread'. Load the bobbin case so that the bobbin turns CW. Attach the bobbin case to the hook body from the machine.
Wind a couple of revolutions of thread around your index finger with the assembled bobbin case and hook body dangling about 6' to 12' below your finger. Gently and rapidly move your finger back and forth in a 'sideways' motion about 1/4' to create a gentle vibration on the bobbin assembly.
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(Do not shake the bobbin assembly up and down). When the tension is right, the bobbin assembly should fall slowly and as you stop the movement, the assembly should stop. The adjustment is found on the small screw, holding the flat tension spring against the bobbin case.
If the tension is too tight, one must loosen the screw (past) the desired location and always make the adjustment by tightening to the correct position. There are other checks for tension imbalance and associated problems on the bobbin case that I won't go into here. For further information I can help you later on. Top Tension Adjustment: 1. The top tension rarely changes and can be depended on throughout the life of that machine providing that tension assembly is maintained occasionally. This can be done by blowing out the tension disks with the presser bar lever in the up position.
One can also drag or pull a piece of sized percale or muslin through the disks with the presser bar lever in a down position. Perhaps both methods can be employed. Load the top of the machine with Metrosene 1161 thread in a dissimilar color. I prefer to use a pastel color so as not to create an optical illusion of imbalanced tension.
Sew a satin stitch (.25 on the Nova 900) in sized cotton muslin with a thin piece of paper between two plys of fabric. The width should not exceed 4.5mm (standard width on the 900 Nova), however the newer machines have wider stitch widths so one must adjust as specified. The result will be a slight amount of top thread in symmetric lines on both the right and left sides of the satin stitch. Sony vegas pro 11 video fx download.
Typically, the top tension will not need adjusting. If the Nova 900 needs adjustment, please ask for additional help. Posted on Nov 28, 2008. • 2 Answers SOURCE: If you go to this link, it shows for the 117.591 model, but it is threaded the same exact way as the 117.959, that will thread the machine and bobbin, I have used this to thread my machine which is the 117.959, and it sewed perfectly until I started messing with the tension, I still haven't figured that part out yet, but I will and when I do, I will let you know.
You should be able to thread the bobbin correctly with the manual, if you are pulling the bobbin through the hole the needle is going down in, your bobbin is threaded correctly, if the problem is like mine, your not making stitches, the problem is with the tension. I hope I have helped and if not, sorry.
Posted on Sep 24, 2009. All Sergers are usually set up so that the 'normal' thread tension is 5 on all the dials, however you then adjust these slightly to achieve the stitch format you you want. Stitch length (dial on the side) is usually around 2.5. If your machine has differential feed, then start with this on zero. Overlocks are different to sewing machines, the stitch forms differently depending on the fabric weight and where the blade is cutting so you usually do a little test on scraps and finesse by adjusting the looper thread tensions so the stitch forms evenly on both sides.
If its tunnelling, ie pulling the fabric in, then release the two loopers or move the blade to the left to trim closer, or do a little of both. Mar 18, 2017 .
Could be threaded wrong. Could be tension too tight. Could be a bad needle.
Could be bad thread (avoid old thread or bargain bin thread). The fabric, needle, and thread may not be compatible, ie the thread is too large for the needle's eye, could be incorrect thread for the fabric, the fabric may be too coarse and is wearing the thread and causing it to break. There could be a burr or nick somewhere that is catching the thread. The thread could be hanging up somewhere in the thread path on the way from the spool to the needle causing it to break when it reaches the needle. Jul 12, 2016 .