Threading the Machine and Preparing to Sew

Before you sew anything, your machine needs thread in the needle and bobbin. Start with the presser foot up — this opens the tension discs so thread can pass through. Place a spool of thread on the spool pin at the top of the machine, then guide the thread through each guide and tension dial in the order shown in your machine's manual. The path varies by model, but the thread always goes down and around before reaching the needle.

Once the top thread is threaded, insert it through the needle eye from front to back. The needle should be at its highest point when you do this. For the bobbin, wind thread onto the bobbin case using the bobbin winder on your machine — most machines have a button or lever that engages it. When the bobbin is full, cut the thread and place the bobbin in its case, then pull the top thread to bring up a loop of bobbin thread. You now have both threads ready.

Key Takeaways

  • Thread the top of the machine with the presser foot up, following the guides in your manual, then insert thread through the needle from front to back.
  • Wind and insert the bobbin, then pull up the bobbin thread by tugging the top thread until a loop appears.
  • Set stitch length and width before sewing — most machines default to a medium straight stitch suitable for cotton.
  • Place fabric under the presser foot, lower the foot, and hold both threads while you take the first few stitches to prevent bunching.
  • Guide fabric with your hands but never put fingers near the needle; let the feed dogs move the fabric forward.

Choosing Stitch Type and Length

Most sewing machines offer a dial or digital screen to select stitches. The straight stitch is the default and works for nearly all basic sewing — it goes forward in a line. The zigzag stitch moves side to side and is used for finishing raw edges or stretchy fabric. Buttonhole, blind hem, and decorative stitches are available on many machines but are not needed for basic garment sewing.

Stitch length is measured in millimeters and controls how far the fabric moves between needle penetrations. A length of 2.0 to 2.5 mm is standard for cotton and most woven fabrics. Shorter stitches (1.5 mm) create stronger seams but are slower and harder to remove if you make a mistake. Longer stitches (3.0 mm or more) are faster but weaker and more visible. Adjust length using a dial or arrow buttons depending on your machine model.

Positioning Fabric and Starting to Sew

Place your fabric under the presser foot so the needle will enter where you want the seam to begin. Most seams start about one-quarter inch from the fabric edge. Lower the presser foot — this engages the tension and feed dogs. Hold both the top and bobbin threads loosely in your left hand for the first three or four stitches; this prevents the fabric from bunching or the needle from pulling thread out of the bobbin case.

Press the foot pedal slowly to start sewing. The machine will move the fabric forward automatically through the feed dogs — metal teeth under the presser foot. Do not pull or push the fabric; let the feed dogs do the work. Your job is to guide the fabric in a straight line by keeping your hands steady and watching the needle position. If you need to sew a curved line, turn the fabric slowly rather than forcing it.

Controlling Speed and Direction

The foot pedal controls speed — press it gently for slow stitching and harder for faster stitching. New sewers should work slowly, especially around corners or when sewing thick fabric. If the machine jams or the thread breaks, stop when ready, raise the presser foot, and remove the fabric by hand. Do not force the fabric out.

To sew in reverse, press the reverse button (usually marked with an arrow pointing backward) and hold it while you sew. Reverse stitching locks the thread at the start and end of a seam so it does not unravel. Most sewers reverse for two or three stitches at the beginning and end of every seam. When you reach the end of your seam, raise the presser foot and pull the fabric away from the needle. The machine will cut the threads automatically on many models, or you can cut them by hand with scissors.

Adjusting Tension and Fixing Common Problems

Tension controls how tightly the top and bobbin threads lock together. If the top thread is too loose, bobbin thread shows on the underside of the fabric. If the top thread is too tight, the fabric puckers and the seam looks strained. Most machines have a tension dial numbered 0 to 9, with 4 or 5 as the default. Adjust in small steps — move the dial one number at a time and test on scrap fabric.

If stitches are skipping or the needle breaks, the needle may be bent, inserted backward, or the wrong size for your fabric. Replace the needle and make sure it is inserted all the way in and facing the correct direction — most needles have a flat side that must face a specific way. If thread keeps breaking, check that it is threaded correctly and that the bobbin is wound evenly. Lint buildup in the bobbin case also causes problems; clean it out with a small brush every few projects.

Caring for Your Machine Between Uses

After each sewing session, raise the presser foot and remove any fabric scraps. Lint accumulates in the bobbin area and feed dogs, so brush it out with a small soft brush — most machines come with one. Store your machine in a clean, dry place away from direct sunlight. Cover it if you are not using it for more than a few weeks.

Oil your machine only if the manual says to do so — many modern machines are sealed and do not need oiling. If your machine does require oil, use only the type specified in the manual and explore it to the points marked in the diagram. Too much oil causes thread to gum up and fabric to stain. Have your machine serviced by a technician every two to three years if you sew regularly, or whenever it starts making unusual noises or producing poor stitches despite correct threading and tension.

Frequently Asked Questions

Why is my thread bunching under the fabric?

You are probably not holding both threads when you start sewing. Hold the top and bobbin threads loosely for the first few stitches to prevent the needle from pulling thread out of the bobbin case. Also check that the presser foot is down — if it is up, the tension discs are open and thread cannot lock properly.

What should I do if the needle breaks?

Stop sewing when ready and raise the presser foot. Remove the broken needle and insert a new one of the same size and type, making sure it is inserted all the way and facing the correct direction. Rethread the machine and test on scrap fabric before continuing. Needles break because they are bent, inserted wrong, or hit a pin in the fabric.

How do I know if my tension is correct?

Sew a test seam on two layers of scrap fabric and look at both sides. The stitches should look the same on top and bottom, with threads locked evenly in the middle of the fabric. If bobbin thread shows on top, tension is too loose; if the fabric puckers, tension is too tight. Adjust the tension dial one number at a time and test again.

Can I sew different fabrics without changing the needle?

You can sew cotton, linen, and most woven fabrics with a standard universal needle size 80/12 or 90/14. Stretchy fabrics like jersey and knits need a ballpoint or stretch needle to avoid skipped stitches. Thick fabrics like denim and canvas need a larger needle like 100/16 or 110/18. Changing the needle takes one minute and prevents broken needles and poor stitches.

Why does my machine make a loud noise when I sew?

Loud noises usually mean lint buildup in the bobbin area or feed dogs, or a bent needle hitting the presser foot. Clean out lint with a soft brush and replace the needle. If the noise continues, the machine may need professional servicing. Do not ignore loud noises — they often mean something is about to break.