Reliable MSK-8420B instruction manual Detail chart

Page 9

4.3.2 Winding adjustment (Fig.15)

1)Wound bobbin thread should be neat and tight, if not , adjust the thread tension by turning tension stud thumb nut A of bobbin winder tension bracket.

Note: nylon or polyester thread should be wound with light tension , otherwise bobbin D might be broken or deformed.

2)When the wound thread layer does not present a cylindrical shape as in Fig.15a, loosen tension bracket screw B and move tension bracket C leftward or rightward. If thread is wound as shown in Fig, 15b, move the tension bracket rightward, while if thread is wound as shown in Fig.15c,move the tension bracket leftward, After adequately positioning the tension bracket, tighten screw B .

3)Do not over fill the bobbin , the optimum capacity of thread will fill about 80% of bobbin ouside diameter, this can be adjusted by stop latch screw E .

4.3.3 Threading (Fig.16)

Every thread should be drawn through Thread Hole

A, when use light and smooth thread (polyester or long silk thread), it should be drawn through Hole B , Keep the thread take-up lever in its highest position , draw every thread in the following numerical order.

4.3.4The stitch length and forward and reverse sewing control (Fig.17)

The stitch length can be regulated by Stitch Length Dial A . Turn it counter-clockwise to expand its length and clockwise to shorten its length . The numbers on Dial A show the sizes of the stitch length in mm.

For reverse feed, press down Release Feed Lever C to perform reverse sewing , Release the lever, the reverse feed lever can reset automatically and the forward sewing is resumed.

 

 

 

 

 

 

 

A

 

 

 

15

 

 

 

 

 

 

 

B

 

 

 

 

 

 

 

 

 

 

 

C

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D

 

 

 

 

 

 

 

 

 

 

 

E

 

 

R7

L7

L5

L4

L3'

L3

L2'

L2

L

R1

16

 

 

 

 

 

 

 

 

 

 

 

L8

R8

 

 

 

 

R2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L9

R9

 

 

 

 

R3

 

 

 

 

 

 

 

 

 

R4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L10

R10

 

 

R6

R5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L11

 

 

L6

 

detail chart

 

 

 

 

 

 

R11

 

 

 

 

 

 

 

L12

 

 

 

 

 

 

 

 

 

 

 

R12

 

 

 

 

 

 

 

L13

 

 

 

 

 

 

 

 

 

 

 

R13

 

 

thread

 

 

 

 

 

 

 

 

 

L11

R11

 

 

 

 

 

 

 

 

 

 

 

from right to left from left to right

A B

A B

A

 

 

17

 

 

C

 

A

 

-6-

Image 9
Contents MSK-8400B MSK-8420B Contents Parts manual Brief introduction Page 20¡« Oil mark Operation Detail chart Machine Adjustment Needle thread tension Increase Reduce Upper feed adjustment Presser foot lift volume adjustment Parts Manual MSK-8420B Arm Parts Pcs MSK-8420B Arm Parts Part number Description Pcs MSK-8400B Arm Parts Thread take-up lever guard MSK-8400B Arm Parts Oil retainer Upper Shaft Presser Foot Parts Pcs Upper Shaft Presser Foot Parts Nut MSK-8420B Needle Bar And Lower Feed Parts Oil wick MSK-8420B Needle Bar And Lower Feed Parts Bushing for needle bar motion shaft MSK-8400B Needle Bar And Lower Feed Parts Thread guide ring MSK-8400B Needle Bar And Lower Feed Parts MSK-8400B Needle Bar And Lower Feed Parts MSK-8420B Rock Shaft And Thread Looping Parts Right hook saddle £-33£ Rock shaft MSK-8400B Rock Shaft And Thread Looping Parts 1WF2-063 Right hook saddle 1WF2-060 Screw 1WF2-059 MSK-8400B Rock Shaft And Thread Looping Parts Part number Description Pcs Stitch Length Adjusting Parts Part number Description Presser Foot Lift Parts Knee control crank assembly Presser Foot Lift Parts Presser Foot Lift Parts Lubrication Parts MSK-8420B Lubrication Parts Lubrication Parts 1WF6-031 Oil pipe clamp 1WF6-029 MSK-8400B Lubrication Parts MSK-8400B Lubrication Parts MSK-8400B Lubrication Parts MSK-8400B Lubrication Parts Accessories Accessories

MSK-8420B specifications

The Reliable MSK-8420B is an advanced multi-functional sewing machine designed for professional sewers and manufacturers who demand precision and efficiency in their stitching operations. This machine stands out in the market due to its robust construction, cutting-edge technology, and a wide array of features that cater to a variety of sewing applications.

One of the primary features of the MSK-8420B is its powerful motor which ensures high-speed sewing, capable of reaching speeds of up to 5,000 stitches per minute. This capability allows users to complete projects quickly without compromising on stitch quality. Moreover, the machine is equipped with an automated lubrication system, which reduces maintenance time and prolongs the machine's lifespan.

The MSK-8420B utilizes advanced computer-controlled technology, offering programmable sewing patterns and customization options. Users can save frequently used patterns, allowing for swift transitions between different sewing tasks. The machine's intuitive interface also makes it user-friendly, accommodating both seasoned professionals and new users alike.

Another significant characteristic of the MSK-8420B is its capability to handle various fabrics with ease, from delicate materials like silk to heavy-duty fabrics like denim and leather. This versatility is enhanced by the machine's adjustable presser foot pressure and stitch length settings, which provide control over the sewing process.

The MSK-8420B is designed with safety in mind, featuring an automatic thread cutter that minimizes thread waste and ensures clean finishes. Additionally, it includes an emergency stop button, enhancing user safety during operation.

Connectivity is also a highlight of the MSK-8420B, as it can be integrated with other industrial sewing equipment, facilitating an efficient workflow in high-demand production environments. The machine is also compatible with various sewing accessories, broadening its functionality and appeal to a wider audience.

In summary, the Reliable MSK-8420B combines high-speed performance, advanced technology, and versatility, making it an indispensable tool for sewing professionals. Its features not only enhance productivity but also ensure that users achieve high-quality results across a range of sewing projects. Whether for garment production or specialized textile applications, the MSK-8420B stands as a testament to Reliable's commitment to excellence in the sewing industry.