By CraftingStepByStepPublished Updated
Based on a video by Jann Newton .
The first time you thread a sewing machine, the path looks like a maze. Wires, slots, levers, a take-up arm that moves on its own. Miss one guide and the machine stitches loose loops or jams the needle.
Jann Newton from Newton Custom Interiors walks through it on a Singer Heavy Duty in this video. The exact diagram on top of your machine may differ a little, but the path is the same on most front-loading machines: spool to upper guide, down through the tension disks, up to the take-up lever, down to the needle, then pick up the bobbin thread through the plate.
Pull out your machine's manual once for the spool direction and the threading diagram, then follow along below. Once threading clicks, our guide to hemming pants is the natural next project, and sewing a button by hand covers what you can do without the machine running.
Drop the spool onto the top spindle. Push the cap on so the thread feeds off in the direction your manual specifies. Most machines pull the thread from over the top of the spool, but some pull from underneath, so check before you start.
Don't ram the cap down. The spool should turn freely as you pull thread off it.
Tip
Smaller spools sit better when you flip the cap to its narrow side. That keeps the thread from slipping off the top.
Pull a foot or two of thread off the spool and feed it through the metal guide on top of the machine. Most machines mark this as point one on the diagram. Then pass it through the second guide.
The thread should sit flat in each slot, not bunched up. If it pops back out, push it in again until it stays.
From the top guide, pull the thread down the slot on the front of the machine. At the bottom, make a U-turn and bring the thread back up the second slot.
You won't see anything happen, but the thread is now sandwiched between the tension disks tucked inside the body. Those disks pinch the thread just enough to keep your stitches even.
Tip
Always drop the presser foot lever before threading the tension area. Lifting the foot opens the disks. Lowering it closes them so the thread sits in the right spot.
Once the thread comes back up to the top, look for the take-up lever. It's the metal arm with a slot at one end that bobs up and down while the machine sews.
Bring the thread to the lever and pull right to left. Use both hands and tug firmly until the thread snaps into the slot at the front of the lever.
Tip
Turn the handwheel toward you to bring the take-up lever to its highest point before threading. It's much easier to reach the slot when the lever is up.
Bring the thread back down the front of the machine. Just above the needle there's a small wire guide hooked onto the needle bar. Tuck the thread behind it.
This last guide is what keeps the thread aligned with the needle eye when the bar moves up and down. Skip it and the thread slips sideways and breaks.
Push the thread through the needle eye from the front of the machine toward the back. Keep the tail short and snip it cleanly with scissors so the end isn't frayed.
Hold the tail with one hand once it's through and pull a few inches out so the thread doesn't pop back when you start sewing. Some days the eye threads on the first try. Other days it takes five.
Tip
If you can't get the thread through, a pair of tweezers helps you grip the tail right at the eye. A self-threading needle or threader tool also makes this nearly automatic.
With the bobbin loaded in its case, hold the needle thread loosely with your left hand. Turn the handwheel toward you a full rotation. The needle dips down, hooks the bobbin thread, and pulls a loop back up through the hole in the needle plate.
Catch that loop with your fingers and pull until the bobbin tail comes free. Lay both threads toward the back of the machine and snap the bobbin cover on. You're ready to sew.
Tip
If the loop won't come up, your bobbin might be sitting backwards. Pop the cover off and check that the thread feeds in the direction shown on the bobbin case.
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Quick reference
5 questions, answers, and one-line explanations. Tap to expand.
1.Which direction do most sewing machines pull thread off the spool?
Answer: From over the top - check your manual to confirm
Most machines pull from over the top; check your manual since some pull from underneath.
2.What happens at the tension disks (the front slots)?
Answer: The thread is sandwiched between disks that pinch it just enough to keep stitches even
Hidden disks pinch the thread; they're what keep stitch tension consistent.
3.What is the 'take-up lever'?
Answer: The metal arm with a slot that bobs up and down while the machine sews
Take-up lever bobs up and down - thread snaps into its slot during threading.
4.Which direction do you push thread through the NEEDLE EYE?
Answer: From front to back (toward the back of the machine)
Front to back through the eye - keep the tail short and snip cleanly.
5.How do you bring the BOBBIN thread up through the needle plate?
Answer: Hold the needle thread loosely, turn the handwheel toward you a full rotation, and catch the loop that comes through the plate
One full handwheel rotation pulls the bobbin thread up as a loop; catch and pull it free.
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