Maintenance

I 6 Maintenance

Mantenimiento

Performance checklist

Thread balls up on the underside of the fabric

Needle does not move

Needle moves but stitch is not formed

Lift presser foot and re-thread the machine, holding thread firmly. Lower presser foot prior to sewing

Is machine connected to electrical supply? Is the power and tight switched on?

Is speed control pedal connected?

Is the bobbin winder spindle pushed to the right?

Is needle bent?

Is Stitch Selector fully engaged?

Is needle fully inserted into needle clamp? Are bobbin and needle correctly threaded?

Needle breaks

Is needle correct size for fabric?

Is needle fully inserted into needle clamp? Are controls properly set?

Are accessories correct for sewing?

Bobbin winding difficulties

Lower thread breaks

Upper thread breaks

Is thread unwinding freely from spool?

Is bobbin winder disc at the correct height?

Is thread hanging up on the slit on the thread spool? Is the bobbin winder spindle pushed to the right?

Is thread end securely held at start of winding?

Is bobbin correctly wound?

Is bobbin correctly inserted into bobbin case?

Is machine property threaded?

Is thread freely unwinding from spool?

Is upper thread tension too tight?

Is bobbin case properly inserted?

Is bobbin rim free of nicks?

Is machine property threaded?

Skipped stitches Is fabric firmly held down?

Is needle correct style and size for fabric? Is needle straight?

Fabric does not move properly

Iunder presser foot

66L ..........

Is presser foot correctly attached to machine? Is presser foot lowered?

Is stitch length correctly set?

Is the drop feed lever set on the right? _ ..................

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Singer 4228, 4220 manual Maintenance
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4220, 4228 specifications

The Singer 4228 and Singer 4220 sewing machines are two versatile models designed for both novice and experienced sewists. These machines bring together advanced technology and user-friendly features to make sewing a more enjoyable and efficient process.

One of the standout features of both models is their electronic speed control, which allows users to adjust the sewing speed according to their comfort and project requirements. This feature is particularly beneficial for intricate tasks or for beginners who may need to take their time to ensure accuracy. The machines also come equipped with an automatic needle threader, greatly simplifying the threading process and saving valuable time, especially for those who struggle with this common sewing challenge.

The Singer 4228 and 4220 offer a variety of built-in stitches, including basic, stretch, and decorative options. With up to 28 stitches available on the 4228 model, users can explore various stitching techniques to enhance their projects. The 4220 model still provides an impressive array of essential stitches, allowing for creativity and personalization in every sewing endeavor. The stitch selection is easily accessible through a dial or push-button interface, making it simple to choose the perfect stitch for each task.

Another key characteristic is the heavy-duty metal frame, which provides durability and stability. This construction ensures that the machines can withstand consistent use, making them suitable for a range of sewing projects, from simple repairs to more complex creations like garments and home décor.

Both machines also feature a top drop-in bobbin system, allowing for quick and easy bobbin changes. This design also ensures that the bobbin is always visible, making it easy to monitor thread supply. The machines are equipped with a variety of presser feet, including an all-purpose foot, a zipper foot, and a buttonhole foot, offering flexibility for different sewing techniques.

The Singer 4228 and 4220 machines are compact and portable, making them ideal for sewists who may want to take their projects on the go. With their blend of modern technology and traditional sewing machine features, these models offer an excellent balance of functionality and ease of use, making them an excellent choice for anyone looking to expand their sewing skills.
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