Singer 321D, 321K instruction manual Thread Tension Components

Page 33

6.5

Thread

Tension

Components

 

No.

Part No.

Description

 

 

Qty

 

 

 

3 thread

4 thread

5 thread

 

 

 

 

 

 

1

2071100400

Tension spring assembly

1

1

1

 

3

30111006

Rachet

3

4

4

4

301110052

Cup

3

4

4

5

30128016

Tension disc

6

8

8

6

20623008

Felt

3

4

4

7

201S30016

Screw stud

3

4

4

8

20727011

Spring

1

2

2

9

2071100500

Tension spring assembly

1

1

1

10

30127013

Spring

2

2

2

11

20713001

Thread guide

1

1

1

12

207S11007

Screw

2

2

2

13

20712015

Thread guide

1

1

1

14

20612052

Tension guide

3

4

4

15

207S110014

Screw

1

0

0

16

2071100300

Tension spring assembly

0

1

1

17

2071100700

Tension spring assembly

1

1

1

18

301S160062R

Knob (red dot)

1

1

1

19

301S160062Y

Knob (Yellow dot)

0

1

1

20

301S160062B

Knob (blue dot)

1

1

1

21

301S160062G

Knob (Green dot)

1

1

1

Ultra High Speed Overedge and Safety Stitch Machine Instruction Manual and Parts List 31

Image 33
Contents 321D Contents Contents Safety Instructions For Safe Operation Product Description Product Description Machine SpecificationMachine Specification For 321D series Motor Motor Pulley V-Belt SpecificationsTable Cut-Out Diagram Setup and Adjustment InstructionsMachine Installation 2cm Lubrication Oil Drainage Fill Silicon Oil to Reservoir Needle Attachment Or ReplacementReplacing the upper knife Replacing Upper Lower KnifeMachine Threading DiagramThreading EasyThread Tension Adjustment Presser foot pressure Adjusting Differential Feed RateStitch Length Adjustment Parts Relation and Timing Oil Change Filter Cleaning Machine Head CleaningSafety Inspection Troubleshooting Troubleshooting Parts list Machine Bed Frame Components Machine Bed Frame Components Machine Cover Components Machine Cover Components1 31 32 Machine Cover Components Crank Shaft Drive Components Description Qty Thread 20702001 Crankshaft 20702050 Thread Tension Components Thread Tension Components Components Thread Guide Take-upThread Guide Take-up Components For 3-thread and 4-thread Thread Guide Take-up Components Thread Guide Take-up Components 20713054 Needle Bar Components Needle Bar Components For 3 thread For 4 thread For 5 thread Xxxxxxxx Needle Plate Needle Guard Components Needle guard Front S01027 Screw Upper Looper Components Upper Looper Components Lower Looper Components Lower Looper Components Chain Stitch Looper Components Chain Stitch Looper Components Chain Stitch Looper Components Chain Stitch Looper Components Differencial Feed Components Differencial Feed Components Feed Dog Components Main feed dog assembly Knife Drive Components Xxxxxxxxx Presser Foot Components Spring except 321D-251H / 321K-251H Lubrication Components Lubrication Components Lubrication Lubrication Components Silicon Oil Reservoir Components Silicon Oil Reservoir Components Exclusive Parts List for 321K series Exclusive Parts List for 321K series Thread Stand Components Thread Stand Components Accessories Accessories Machine Support Plate For Semi Submerged Components Xxxxxxxx Specific Parts for 321D-251H and 321K-251HParts OptionalOptional Parts Back Latch Components Back Latch Components Option parts Vacuum Suction AFL DeviceAFL Device Option parts Vacuum SuctionCutter Device ChainList Rev.05 Jun.2010

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.