3. INSTALLATION

3-13. Installing the air tubes

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

Open

Closed

1.Turn the nut (1) at the end of the air tube, and then connect the tube to the valve (2).

2.Open the air cock (3) on the compressor.

Check that there is no air leaking from the valve connection.

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

The meter needle will move clockwise.

4.Adjust the air pressure.

3005Q

3-13-1. 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

(0.3MPa)

(0.5MPa)

3006Q

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.

To decrease the air pressure

To close

(0.3Mpa)

(0.5Mpa)

To loosen

To tighten

3007Q

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

17

RH-981A

Page 23 Page 25
Page 24
Image 24
Brother rh-918a manual Installing the air tubes, Adjusting the air pressure, To increase the air pressure
Page 23 Page 25

rh-918a specifications

The Brother RH-918A is a versatile and innovative machine tailored for both personal and professional use. As a robust electronic sewing machine, it combines functionality and user-friendly features that cater to a wide range of sewing enthusiasts, from beginners to advanced users.

One of the standout features of the Brother RH-918A is its extensive stitch selection. With over 100 built-in stitches, including decorative stitches, utility stitches, and heirloom stitches, users have ample options to choose from, allowing for creativity and customization in every project. The machine also incorporates an easy-to-use stitch selector dial, making it simple for sewists to navigate and find the perfect stitch for their needs.

Another key characteristic of the RH-918A is its automatic needle threader. This time-saving feature allows users to thread the needle effortlessly, reducing eye strain and frustration, especially for those who may struggle with manual threading. Additionally, the top-loading bobbin system facilitates quick bobbin changes and ensures smooth feeding, enhancing overall sewing efficiency.

The machine is equipped with a powerful motor that provides consistent and strong stitches, able to handle various fabric types, from lightweight cotton to heavier materials like denim and canvas. This capability is critical for crafting garments, home décor items, and more intricate projects.

The Brother RH-918A also boasts several convenient features to enhance the user experience. An LED light illuminates the sewing area, making it easier to work on detailed projects, particularly in low-light environments. Furthermore, the machine includes multiple presser feet, such as a zipper foot, buttonhole foot, and walking foot, to expand its functionality and accommodate different sewing techniques.

For enhanced stability, the Brother RH-918A comes with a sturdy metal frame, ensuring durability and precision. Its intuitive interface, comfortable handwheel, and adjustable stitch length and width settings add to the overall ease of use, making sewing enjoyable for everyone.

In summary, the Brother RH-918A combines a wide range of stitches, user-friendly technologies, and robust build quality, making it an excellent choice in the world of sewing machines. Whether for basic repairs or elaborate creations, this machine stands out for its performance and reliability, appealing to a diverse audience of sewing enthusiasts.
Top Page Image Contents