7. SEWING

7-3. Adjusting the thread tension

Turn off the power.

Never adjust the thread tension while sewing.

<Reference values>

 

Woolen materials + wool gimps

Denim (3 layers)

 

 

 

Upper thread tension

0.9 N

1.0 N

 

 

 

Lower thread tension

0.3 N

0.8 N

 

 

 

Thread take-up spring tension

0.05 N

0.07N

 

 

 

Thread take-up spring stroke

8 mm

8 mm

 

 

 

Upper and lower thread

# 30 polyester

# 30 cotton

 

 

 

* If you change the type of material being used, it may be necessary to change the thread tension.

The upper thread tension given above is the tension when the upper thread is pulled out from the thread path hole of the thread take-up lever, and the lower thread tension is when the lower thread is pulled out from the needle hole in the throat plate.

Upper thread tension

Lower thread tension

 

 

 

 

 

 

3059Q

Turn the upper thread tension adjustment knob (1) in the direction indicated by the arrow to increase the upper thread tension.

3060Q

Turn the lower thread tension adjustment knob (2) in the direction indicated by the arrow to increase the lower thread tension.

Adjusting the lower thread take-up spring tension and stroke

Tension adjustment

Loosen the screw (3) and turn the thread take-up spring support (4) in the direction indicated by the arrow to increase the tension of the spring (5).

Stroke adjustment

Loosen the screw (6) and turn the thread take-up spring guide (7) in the direction indicated by the arrow to increase the stroke of the spring (5).

3061Q

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RH-981A

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Brother rh-918a manual Adjusting the thread tension, Reference values, Upper thread tension

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.

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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.