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Reliable MSK-8420B instruction manual Upper feed adjustment

Models: MSK-8420B

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b.When the stop plate stops the balance wheel, more strength is needed to turn the balance

wheel to reset the safety clutch device.

C. Release the button in the bed. So the resetting of it is OK. (See Fig.26)

26

stop plate

5.3.3Regulating the strength on the safety clutch device(Fig.27)

a.When the white mark of the eccentric pin aims at the center of the rock shaft, indicates that the strength on the safety clutch device is the minimun.When the white mark points outward, the

strength is properly increased.

b. For regulating the strength of it, move the teeth

-belt and loosen the set screw of the eccentric pin, and turn the eccentric pin.

c.After regulation, please tighten the set screw.

27

white mark

belt

eccentric

tighten

set screw

loosen

lower shaft

eccentric

5.4 Upper feed adjustment (Fig.28)

If the upper and lower feed are not in timing during sewing, the long hole of the horizontal feed crank should be adjusted to get the length of upper feed.

Adjust as the following:

a.Loosen the special screw.

b.Move the special screw upward to reduce the feed amountor upper layer of material.

c.Move the special screw downward to increase the feed amount. Theoretically when it is on the reference line of the horizontal feed crank, the upper feed amount equals to the lower feed amount.

d.After adjustment, tighten the special screw.

 

28

 

horizontal shaft crank

button

 

reference line

upper layer feed reduce

 

link

special screw

 

upper layer feed increase

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Reliable MSK-8420B instruction manual Upper feed adjustment
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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.