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Singer 321K, 321D Oil Change Filter Cleaning, Machine Head Cleaning, Safety Inspection

Models: 321D 321K

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4

4.1

Machine Head Cleaning

Maintenance

Clean the machine periodically with a soft and dry cloth to remove the excess of dust on the machine head. Do not use any kind of lacquer thinner to wipe the surface.

Figure 28

4.2

Oil Change

and Filter

Cleaning

4.3

Safety Inspection

When Machine is running, oil will be sprayed into the oil window. If no oil sprayed, please check oil level (see topic 3.3)

If the machine was idle for a long time, oil the top of the needle holder, guides and looper guides before resuming the operation.

The oil should be changed every four months. To replace the oil, follow the instructions of topic 3.3.

The oil filter should be cleaned every month or replaced by a new one as necessary. To clean or replace the oil filter, follow the instructions of topic 3.3.

Frequently check if all safety devices are properly installed and adjusted.

Check all screws that fix and hold the machine head that should be properly tight.

OK! (Operating)

Figure 29

Check and be sure the V-belt is not excessively worn out and see that it has the proper tension (Except 321K)

Check and be sure there is no motor overheating and be sure that the cable and electric connector are not damaged.

Ultra High Speed Overedge and Safety Stitch Machine Instruction Manual and Parts List 17

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Singer 321K, 321D instruction manual Oil Change Filter Cleaning, Machine Head Cleaning, Safety Inspection
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321D, 321K specifications

The Singer 321K and 321D are revered sewing machines that cater to both novice sewists and experienced crafters alike. Renowned for their durability and user-friendly features, these machines blend traditional craftsmanship with modern technology. Their compact design makes them ideal for home use, while providing the performance needed for a variety of sewing projects.

One of the standout features of the Singer 321K and 321D is their robust build quality. Designed to withstand the rigors of regular use, these machines come with a metal frame that ensures stability and minimizes vibrations. This solid construction contributes to consistent stitching, allowing users to tackle everything from delicate fabrics to heavier materials with confidence.

Both models feature a versatile selection of built-in stitch options, catering to a wide range of sewing styles and projects. The stitches include straight, zigzag, and decorative patterns, enabling users to unleash their creativity with ease. Additionally, the adjustable stitch length and width provide further customization, allowing sewists to achieve precise results for any task.

Another highlight of the Singer 321K and 321D is their intuitive threading system. The machines are designed with a simplified threading process, complete with color-coded guides and an automatic bobbin winding system, which significantly reduces setup time. This user-friendly design is particularly beneficial for beginners who may be learning the ropes of sewing.

For added convenience, both machines feature a free arm, making it easier to sew cylindrical items such as sleeves and hems. The removable accessory storage compartment allows for easy access to tools and notions, keeping the workspace organized and efficient.

In terms of performance, the Singer 321K and 321D boast a powerful motor that delivers consistent speed and precision, making them suitable for various sewing tasks, including quilting, alterations, and garment construction. The machines also come with adjustable presser foot pressure, ensuring optimal fabric feed for different thicknesses.

Safety is another key consideration, as these machines include features like a built-in needle threader and safety switch. This ensures that users can sew with peace of mind, knowing that the machine prioritizes user safety while providing exceptional functionality.

In conclusion, the Singer 321K and 321D are remarkable machines that combine traditional sewing principles with contemporary technology. Ideal for both beginners and seasoned sewists, their durability, versatility, and user-friendly features make them a standout choice in the world of sewing machines. Whether for simple repairs or intricate creations, these models are a valuable addition to any sewing enthusiast's toolkit.