- sewing machine, manual, screwdriver, fabric, thread.
To check the quality of the basic embroidery stitches to make a test line on my canvas the desired tissue.The ideal line - one in which the upper and lower interlocking thread is in the middle of the crosslinkable materials.
Begin tension adjustment with a lower thread .This thread is wound onto the bobbin, which is inserted into the bobbin case.The regulator - screw on the bobbin case, a pressing spring.If you raise the bobbin of thread coming out of it, it will be easy to hang onto it.With a slighttwitch of the thread of the cap is to slide down a little bit.Achieve the desired thread tension , twisting or releasing screw.Turn the screwdriver slightly sincecog in a very small and can jump.
Performing the above operation, do a test spot on the fabric.Further configuration will be a regulator of tension of the upper thread .As a rule, this unit is located on the front of the machine and tool-twisting is not required.
Take a good look at the stitching.If on top of the fabric formed shaggy air loop, you must loosen the tension top thread .To do this, turn the knob counterclockwise.If shaggy bottom line is turned, then rotate the tension in the opposite direction - clockwise.Thus, you will strengthen tension top thread .
Check the lines after adjustment.Stitch the folded scrap and compare it with the first option.Note that the adjustment depends on the thickness of yarn and fabric quality.
Remember, the ideal line to achieve very difficult to "capricious" Fabric: hairy, stretching, very thin and slippery.
If a thread breaks, despite the adjustment, look for a problem in the mechanism of the machine itself.So thread can cut the thread guide, needle plate, presser foot or break the coil.