The Singer Heavy Duty sewing machine is a versatile machine that allows you to stitch a variety of fabrics like denim or canvas and lightweight fabrics.
It has a high sewing position, a powerful motor, and a high-speed sewing ability, which makes it suitable for any large project that you may take up.
The adjustable presser foot makes it easy to stitch fabrics of any thickness.
Besides, you have 23 preset stitch styles that include one style of buttonhole. There are 12 decorative stitches and 4 stretch stitches apart from 6 basic stitches.
Let us learn how to thread this excellent sewing companion.
Taking Note Of The Parts For Bobbin Winding
You must first locate the various parts that you will have to use for winding the bobbin. Unlike many machines, the spool pin in Singer Heavy Duty machine is placed horizontally. It is on the top on the right side of the machine.
You must use a spool holder to hold the spool in place. The bobbin pin is placed at the far right of the machine on top. The bobbin winder is also placed very close to it. You will find the bobbin winder tension disc at the top on the left side of the machine.
Winding Thread In The Bobbin
The spool of thread that you want to use for sewing must be placed on the spool pin. The loose end of the thread from the spool must be passed through the bobbin winding tension disc. You must bring the thread to the front and wind it around the disc and lead it away from the back. Insert the thread in the bobbin through the hole.
Place the bobbin in the bobbin pin and push it towards the bobbin winder. Slowly press the foot pedal while you hold the loose end of the thread. When you have enough thread in the bobbin to hold properly, cut the loose end, and continue to wind the bobbin till it is full. Push the bobbin pin to the left and remove the bobbin.
Understand The Parts For Threading The Bottom Thread
The Singer Heavy Duty machine comes with a drop-in bobbin case, which is easier and helps in giving an even stitch. The bobbin case is located below the needle. You will see the needle cover plate or bobbin cover plate which covers the bobbin case.
The cover plate will have a small tab that must be moved to open the plate. Only when you open the plate can you see the bobbin case below it. You must already have your bobbin full of thread that you want to use for the bottom stitch.
Inserting The Bobbin And Threading The Bottom Thread
When you move the tab on the bobbin cover plate to the right, you can remove the cover plate. You must place the bobbin in the bobbin case. Care must be taken to have a little thread loose from the bobbin. When you place the bobbin in the case, the thread must run counterclockwise.
Hold the thread when you place the bobbin in the case. Insert the thread in the slot provided in the case. Now you must pull the thread clockwise. You must pull it to your left until it slips into the notch provided. Pull the thread loose for around 15 cm to the back and close the bobbin case cover over it.
Preparing To Thread The Upper Half
Placing the needle in the right position is important before you thread the upper half. You can turn the handwheel, which is on the right end of the machine, towards you for bringing the needle to a position when it is just about to go down.
You must never turn the handwheel away from you as it can disturb the timing. You must place the thread spool in a way that the thread is coming out from the back. Secure the spool with a spool holder. Take note of the parts like the thread guide, tension spring, needle clamp guide, and thread take-up lever.
Threading The Top Thread For Sewing
You must pull the thread from the spool towards the upper thread guide. Draw the thread towards the pre-tension spring and pass through it. You must now pull the thread down the right channel while holding the thread with your fingers between the spool and thread guide. This will help in secure seating in the channel.
Bring the thread up through the channel on the left and pass it through the eye of the take-up lever. Bring it down and pass through the needle clamp guide and thread the needle from front to back. Pull about 8 inches of thread loose below the presser foot towards the back.
Using The Automatic Needle Threader
You must first switch off the machine and set it on a straight stitch. You must bring the thread up to the thin wire in front of the needle clamp. The needle must be in its highest position. Pull the threader lever to the lowest position and pull it towards you gently.
This will make the threader hook pass through the eye of the needle. Pass the thread through the hook from bottom to top and pull the lever away from you and back to the resting position. Pull the thread through the eye of the needle.
Bringing The Bobbin Thread Up For Sewing
You must hold the top thread firmly by hand while you lower the needle. You can lower the needle by turning the handwheel towards you. Turn the handwheel till the needle rises again. Pull the top thread towards you, and you will see the bobbin thread coming up.
Pull both threads to a good length and place them behind the needle under the presser foot. If the thread doesn’t come up, you must check whether the thread is being held by the cover plate hinges.
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