Threading your machine is the first step before you can sew anything

Before you can sew a single stitch, you need to put thread through your machine in the correct order. This process is called threading, and it looks more complicated than it actually is. Every sewing machine threads the same way in principle: thread goes through a series of guides and tension discs, then through the needle. If thread skips any of these stops, your stitches will be loose or the machine won't sew at all.

The good news is that most machines have numbers or arrows printed right on the body showing you the path. You follow them in order, starting at the spool pin at the top of the machine and ending at the needle. This takes about two minutes once you know where to look.

Key Takeaways

  • Thread the machine with the presser foot up so the tension discs open, then lower the foot before you sew.
  • Always cut thread at an angle and insert it into the needle from front to back, then pull it through until you feel resistance.
  • Wind a bobbin (the small spool that holds thread underneath) before your first project, and rewind it when it runs low.
  • Test your tension on scrap fabric first—loose stitches mean the top tension is too loose, and tight stitches mean it is too tight.
  • The most common mistake is forgetting to raise the presser foot before threading, which locks the tension discs and stops thread from feeding properly.

Step-by-step threading from spool to needle

Start with the presser foot up—this is critical. The presser foot controls whether the tension discs (two metal plates that grip the thread) are open or closed. When the foot is down, the discs squeeze together and lock. When it is up, they open and let thread slide through. If you thread with the foot down, the thread will not sit properly in the discs and your stitches will be wrong.

Place your spool of thread on the spool pin at the top of the machine. The spool pin usually sticks straight up, though some machines have a horizontal pin on the side. Pull thread from the spool and guide it down through the first guide—usually a metal loop or hook near the top. Follow the printed numbers or arrows on your machine's body. Most machines route thread through a tension dial (a round knob with a slot), then through another guide or two, then down toward the needle.

When you reach the needle, cut the thread at a sharp angle with scissors. An angled cut makes it easier to push through the needle's eye. Hold the thread taut and insert it from front to back through the needle opening. Pull it through until you feel a slight tug—that means it has caught in the needle. Leave a tail of thread about 4 inches long hanging down behind the needle.

Now lower the presser foot. This closes the tension discs and locks the thread in place. You are ready to sew.

Winding and inserting the bobbin

The bobbin is a small spool that holds thread underneath the needle plate. It creates the bottom thread of your stitch. Before you can sew, you need to wind thread onto a bobbin and insert it into the bobbin case. Most machines come with several empty bobbins so you can have a few wound and ready.

To wind a bobbin, place an empty bobbin on the bobbin winder—a small pin or post, usually on the top or side of the machine. Pull thread from your spool and wrap it around the bobbin a few times by hand to anchor it. Then press the bobbin winder against the machine's wheel or engage the winding mode (some machines have a button or lever). Step on the foot pedal or press start, and the machine will wind thread onto the bobbin automatically. Stop when the bobbin is full—most machines have a sensor that stops automatically, or you will see the thread slow down.

Remove the full bobbin and insert it into the bobbin case. The bobbin case is usually a small metal or plastic holder that sits under the needle plate. Open it by unlatching a small lever or sliding a cover. Drop the bobbin in so it spins freely, then pull the thread through the slot in the case. Close the case and you are ready to sew.

How to start sewing and control your speed

Place your fabric under the needle with the presser foot down. Lower the needle into the fabric by turning the hand wheel (the large wheel on the right side of the machine) toward you. This pushes the needle down and brings up a loop of bobbin thread. Pull both the top thread and the bobbin thread toward you and hold them for the first few stitches—this prevents the fabric from bunching.

Place your foot on the pedal and press gently. The machine will start sewing. The harder you press, the faster it goes. For your first project, press lightly and go slowly. You control the direction by guiding the fabric with your hands, but do not pull it—let the machine feed it through. If you pull, you can break the needle or jam the thread.

To stop, lift your foot off the pedal. Turn the hand wheel to raise the needle all the way up, then lift the presser foot and pull the fabric toward you. Cut the threads with scissors, leaving a tail about 4 inches long on both top and bottom.

Checking and adjusting tension

Tension is how tightly the machine pulls the thread. If tension is wrong, your stitches will look loose on one side or puckered on the other. The easiest way to check tension is to sew a test line on scrap fabric using the same fabric and thread you will use for your project.

Look at the stitches on both sides. If the top thread is loose and loops are visible on the bottom, your top tension is too loose—turn the tension dial up (toward the higher number). If the top thread is tight and the fabric puckers, your tension is too tight—turn the dial down. Make small adjustments, one number at a time, and test again. Most machines work well at a setting between 4 and 6.

Bobbin tension is rarely adjusted on home machines—it is usually set at the factory. If you have tried adjusting top tension and stitches still look wrong, the bobbin case may need adjustment, but that is a job for a repair person or an advanced sewer.

Common mistakes and how to fix them

The most common mistake is forgetting to raise the presser foot before threading. When the foot is down, the tension discs are locked and thread cannot slide through them. You thread the machine, sit down to sew, and nothing happens—or the thread breaks when ready. The fix is straightforward: stop, raise the presser foot, and rethread.

Another frequent problem is threading the needle from the wrong direction. The needle has a groove on one side and a scarf (a small notch) on the other. Thread must go in from the front and come out the back. If you thread from the side or back, it will not catch properly and stitches will skip. Always thread from front to back and pull until you feel resistance.

Broken needles usually mean you pulled the fabric while sewing or the needle was bent or dull. Always let the machine feed the fabric. If the needle breaks, stop when ready, raise the presser foot, and replace the needle before you sew again. Sewing with a broken needle can damage the machine.

If thread keeps breaking, check that it is wound smoothly on the spool with no kinks, that the needle is inserted correctly, and that you are using the right needle size for your fabric. Thin fabric needs a thin needle (size 60 or 70), and thick fabric needs a thick needle (size 100 or 110).

Maintaining your machine between projects

After you finish sewing, raise the needle and presser foot, and cut the threads. Remove any fabric scraps or lint from around the needle and bobbin area with a small brush—lint builds up and can jam the machine. Most machines come with a small brush for this purpose.

Store your machine in a clean, dry place. Keep the presser foot up when the machine is not in use so the tension discs stay relaxed. If you will not use the machine for several weeks, cover it to keep dust out.

Change the needle every 8 to 10 hours of sewing or whenever you notice stitches skipping or breaking. A dull or bent needle is the most common reason a machine stops working well. Needles are inexpensive and take 30 seconds to replace.

Frequently Asked Questions

Why does my thread keep breaking?

Thread breaks when the needle is bent, dull, or inserted backward; when the needle is the wrong size for your fabric; or when lint is clogging the machine. Check the needle first—replace it and test on scrap fabric. If thread still breaks, clean lint from the bobbin area with a small brush and try again.

What does it mean when stitches skip?

Skipped stitches usually mean the needle is dull, bent, or inserted incorrectly. Replace the needle and rethread from scratch. If skipping continues, the needle may be the wrong size for your fabric, or the bobbin may not be inserted all the way into the case.

Can I sew without winding a bobbin first?

No. The bobbin holds the bottom thread, and without it the machine cannot make a stitch. Wind a bobbin before you start any project. Most machines wind a bobbin in two to three minutes, so it is worth doing a few at a time and keeping them ready.

How do I know if my needle is in the right way?

The needle has a flat side and a rounded side. On most machines, the flat side faces the back or side—check your manual to be sure. Insert the needle all the way up into the needle clamp and tighten the screw. If the needle is loose or inserted backward, stitches will skip or thread will break.

What should I do if the machine makes a loud noise or stops working?

Stop when ready and raise the needle and presser foot. Check for broken thread, lint, or a bent needle. Remove any visible debris with a brush. If the machine still will not sew, check that the bobbin is wound and inserted correctly, and that the top thread is threaded all the way through the needle. If nothing works, the machine may need repair.