3. INSTALLATION

3-11. Installing the air hoses

Connect the air hose from the compressor to the air unit underneath the work table.

 

 

1.

Turn the nut (1) at the end of the air hose, and then

 

 

 

 

 

connect the hose to the valve (2).

 

 

2.

Open the air cock (3) on the compressor.

(3)

 

 

Check that there is no air leaking from the valve

 

 

 

connection.

 

 

3.

Open the cock (3) by turning it in the direction of the

 

Open

 

arrow.

(2) Closed

 

 

The meter needle will move clockwise.

(1)

 

4.

Adjust the air pressure by following the procedure on

 

 

the next page.

 

 

 

 

(3)

 

 

0834Q

0835Q

 

 

 

 

 

 

Adjusting the air pressure

Set the air pressure for the knife pressure adjustment regulator (3) to the lowest pressure at which the knife can still cut the material. Set the standard air pressure for the main regulator (1) to 0.5 MPa.

To increase the air pressure

(2)

(4)

 

(3)

(1)

(0.3 MPa)

 

(0.5 MPa)

0836Q

To decrease the air pressure

1.Gently lift the knob (2) of the main regulator (1) and turn it in the direction of the arrow in the illustration. The pressure will increase when the knob (2) is turned clockwise.

2.Gently lift the knob (4) of the knife pressure adjustment regulator (3) and turn it in the direction of the arrow in the illustration.

The pressure will increase when the knob (4) is turned clockwise.

*The pressure for the knife pressure adjustment regulator (3) is adjusted to 0.3 MPa. Be careful not to increase this pressure needlessly, otherwise poor cutting performance or damage to the knife may result.

(2)

(4)

To close

 

 

(3)

(5)

(1)

(0.3 MPa)

(0.5 MPa)

 

 

(6)

 

To loosen

To tighten

 

 

 

0837Q

1.Close the cock (5). (The needle will remain at the high pressure position.)

2.Turn the knob screw (6) in the direction of the arrow in the illustration to loosen it. Make sure that you turn it in the correct direction.

The air will escape from the reservoir and the needle will drop.

3.Tighten the knob screw (6).

4.To reduce the air pressure, gently lift knob (2) or knob

(4) and turn it counterclockwise.

5.Open the cock (5). Air will enter the reservoir and the needle will move

10

RH-9800

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Brother DH4-B980 instruction manual Installing the air hoses, Adjusting the air pressure, To increase the air pressure
Page 15 Page 17

DH4-B980 specifications

The Brother DH4-B980 is an innovative and advanced sewing and embroidery machine designed for both professional use and home enthusiasts. Recognized for its robust performance and user-friendly features, the DH4-B980 stands out in the market.

One of the primary features of the Brother DH4-B980 is its impressive sewing speed, allowing users to achieve up to 1,000 stitches per minute. This heightened efficiency is complemented by a range of built-in stitches, offering over 150 different stitch options, including decorative, quilting, and utility stitches. This variety equips users with the creativity to tackle a broad spectrum of sewing projects, from simple alterations to intricate embroidery designs.

The Brother DH4-B980 also features advanced embroidery capabilities. With an expansive embroidery area of 10 x 6 inches, users can work on larger designs without the need for rehooping. Additionally, the machine comes with pre-installed embroidery designs and fonts, ensuring that users have a multitude of options right at their fingertips. The user-friendly LCD touchscreen display allows for easy navigation through features, adjustments, and design selections, making the embroidery process intuitive.

In terms of technology, the Brother DH4-B980 incorporates the advanced My Custom Stitch feature, enabling users to create personalized stitch patterns. This functionality sets the machine apart, as it allows for customization to fit specific project needs or personal styles. The machine is also equipped with automatic needle threading and a quick-set drop-in bobbin, adding to overall convenience and ease of use.

Another noteworthy aspect is the built-in sewing assistant, providing tips and settings based on the selected stitch type. This feature enhances the learning curve for beginners while catering to the needs of more experienced sewists. The machine’s high-quality LED lighting illuminates the workspace, ensuring clarity and precision in sewing, particularly in low-light conditions.

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In summary, the Brother DH4-B980 combines speed, versatility, and advanced technology in a single sewing and embroidery machine. Its user-friendly features and innovative capabilities make it an excellent choice for anyone looking to elevate their sewing experience.
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