9. STANDARD ADJUSTMENTS

9-16. Adjusting the trimming of the upper thread

The upper thread should be trimmed at the correct time after sewing is completed.

<-00, -01>

Adjust so that the upper movable knife (1) cuts only one of the threads in front of the right looper (2). Note: If both strands of the thread loop are cut, the

thread remaining in the needle may become too short and skipped stitches may result.

3100Q

3101Q

<-02,-52>

Adjust so that the upper movable knife (3) cuts only one of the threads in front of the right looper (4). Note: If both strands of the thread loop (forward and

back) are cut, the thread remaining in the needle may become too short and skipped stitches may result.

9-17. Adjusting the trimming of the lower thread and gimp

<-00, -01>

The lower thread and gimp should be trimmed at the correct time after the feed bracket has returned to the home position.

Thread trimming operation can be checked in steps while manual mode is active. (Refer to “7-8. Using manual mode”.)

3102Q

 

 

 

3103Q

 

 

 

 

 

 

 

1.The mechanism is adjusted so that the lower thread and gimp are separated from each other and spread by the thread handler (1).

2.The lower thread is held between thread nipper M (2) and thread nipper D (3) on the plate spring.

The gimp is held between thread nipper M (2) and thread nipper U (4) on the plate spring.

3.Adjust so that the edge of the fixed knife (6) and the index mark (8) on the movable knife (7) are aligned when the thread trimmer arm (5) is at the maximum stroke.

RH-981A

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Brother rh-918a manual Adjusting the trimming of the upper thread, Adjusting the trimming of the lower thread and gimp
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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.
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